3 a Sanitary Standards Quick Reference Guide

3-A® Sanitary Standards

Quick Reference of the

3-A Sanitary Standards & Accepted Practices

List Date: January 4, 2013

3-A Std & Practices List with Document Scopes Page 1 of 98 January 4,2013

IMPORTANT NOTES & DISCLAIMER

Disclaimer This list has been created as a quick guide reference of the current 3-A Sanitary Standards and Accepted Practices. It is not intended to replace, override or contradict the actual copyrighted standards and accepted practices. Though an effort has been made to ensure the accuracy of this reference list, it is not guaranteed, and should always be verified with the latest 3-A Sanitary Standards and Accepted Practices.

Notes

• This reference list was created January 4, 2013, using the 3-A Sanitary Standards and Accepted Practices as they were currently published in December 2012. The Pharmaceutical P3-A standards are also included.

• References for each standard include the cross reference 3-A Standards & Accepted Practices

• Other references may also be referenced in the Standards and Accepted Practices but are not listed in this quick guide in all cases. Please verify all the references in the applicable Standards and Accepted Practices.

• 3-A Sanitary Standards & Accepted Practices are copyrighted and cannot be distributed without authorization. See www.3-a.org


http://www.3-a.org/

Contents Disclaimer ........................................................................................................................... 2

Notes ................................................................................................................................... 2

01-08 Storage Tanks ........................................................................................................... 7

02-11 Centrifugal and Positive Rotary Pumps.................................................................... 8

04-05 Homogenizers and Reciprocating Pumps ................................................................. 8

05-15 Stainless Steel Automotive Transportation Tanks for Bulk Delivery and Farm

Pick-Up Service ................................................................................................................ 11

10-04 Filters Using Single Service Filter Media .............................................................. 12

11-09 Plate Type Heat Exchangers ................................................................................... 12

12-07 Tubular Heat Exchangers ....................................................................................... 14

13-11 Farm Milk Cooling and Holding Tanks ................................................................. 15

16-05 Milk and Milk Products Evaporators and Vacuum Pans ........................................ 16

17-11 Formers, Fillers, and Sealers of Containers for Fluid Milk and Fluid Milk Products

........................................................................................................................................... 17

18-03 Multiple-Use Rubber and Rubber-Like Materials Used as Product Contact Surfaces

in Dairy Equipment ........................................................................................................... 18

19-07 Batch and Continuous Freezers for Ice Cream, Ices and Similarly Frozen Dairy

Foods ................................................................................................................................. 19

20-27 Multiple-Use Plastic Materials ............................................................................... 21

21-01 Centrifugal Separators and Clarifiers ..................................................................... 22

22-08 Silo-Type Storage Tanks for Milk and Milk Products ........................................... 23

23-06 Equipment for Packaging Viscous Product ............................................................ 24

24-03 Non-Coil Type Batch Pasteurizers for Milk and Milk Products ............................ 26

25-03 Non-Coil Type Batch Processors ........................................................................... 27

26-05 Sifters for Dry Products ......................................................................................... 28

27-06 Equipment for Packaging Dry Milk and Dry Milk Products ................................ 29

28-04 Flow Meters for Milk and Milk Products ............................................................... 30

29-03 Air Eliminators ...................................................................................................... 30


30-01 Farm Milk Storage Tanks ...................................................................................... 32

31-06 Scraped Surface Heat Exchangers ......................................................................... 33

32-02 Uninsulated Tanks for Milk and Milk Products .................................................... 33

33-02 Polished Metal Tubing for Milk and Milk Products ............................................... 35

34-02 Portable Bins for Dry Milk and Dry Milk Products .............................................. 35

35-04 Blending Equipment .............................................................................................. 36

36-01 Inline Rotor-Stator Mixers..................................................................................... 37

38-00 Cottage Cheese Vats .............................................................................................. 37

39-01 Pneumatic Conveyors for Dry Milk and Dry Milk Products ................................ 38

40-04 Bag Collectors ....................................................................................................... 39

41-03 Mechanical Conveyors for Dry Products ............................................................... 41

42-01 In-Line Strainers for Milk and Milk Products, Number ......................................... 41

44-03 Diaphragm Pumps ................................................................................................. 42

45-02 Crossflow Membrane Modules ............................................................................. 43

46-03 Refractometers and Energy Absorbing Optical Sensors for Milk and Milk

Products............................................................................................................................. 43

49-01 Air Driven Sonic Horns for Dry Products ............................................................. 44

50-01 Level Sensing Devices for Dry Products ................................................................ 45

51-01 Plug-Type Valves for Milk and Milk Products ..................................................... 45

52-02 Plastic Plug-Type Valves for Milk and Milk Products.......................................... 46

53-06 Compression-Type Valves .................................................................................... 47

54-02 Diaphragm-Type Valves for Milk and Milk Products........................................... 47

55-02 Boot Seal Type Valves .......................................................................................... 48

56-00 Inlet and Outlet Leak-Protector Plug-Type Valves for Milk and Milk Products .. 50

57-02 Disc-Type Valves .................................................................................................. 51

58-01 Vacuum Breakers and Check Valves for Milk and Milk Products ....................... 52

59-00 Automatic Positive Displacement Samplers for Fluid Milk and Fluid Milk

Products............................................................................................................................. 53

60-00 Milk and Milk Products Rupture Discs ................................................................. 54

61-01 Steam Injection Heaters for Milk and Milk Products ............................................ 54

62-02 Hose Assemblies for Milk and Milk Products........................................................ 55


63-03 Sanitary Fittings ..................................................................................................... 57

64-00 Pressure Reducing and Back Pressure Regulating Valves for Milk and Milk

Products............................................................................................................................. 58

65-01 Sight and/or Light Windows and Sight Indicators in Contact with Product ......... 58

68-00 Ball-Type Valves for Milk and Milk Products ...................................................... 60

70-01 Italian-Type Pasta Filata Style Cheese Cookers .................................................... 60

71-01 Italian-Type Pasta Filata Style Cheese Moulders ................................................. 61

72-01 Italian-Type Pasta Filata Style Moulded Cheese Chillers ..................................... 62

73-01 Shear Mixers, Mixers, and Agitators ..................................................................... 63

74-05 Sensors and Sensor Fittings and Connections ....................................................... 64

75-01 Belt-Type Feeders.................................................................................................. 66

78-01 Spray Cleaning Devices Intended to Remain in Place ........................................... 68

81-00 Auger-Type Feeders .............................................................................................. 69

82-00 Pulsation Dampening Devices ............................................................................... 70

83-00 Enclosed Cheese Vats and Tables ......................................................................... 70

84-02 Personnel Access Ports for Wet Applications ....................................................... 71

85-02 Double-Seat Mixproof Valves ............................................................................... 72

87-00 Mechanical Strainers .............................................................................................. 72

88-00 Machine Leveling Feet and Supports .................................................................... 73

95-00 Transportation Tank Vents .................................................................................... 74

101-00 Pipeline Product Recovery Equipment ................................................................ 76

603-07 Sanitary Construction, Installation, Testing and Operation of High-Temperature

Short-Time and Higher-Heat Shorter-Time Pasteurizer Systems ..................................... 80

604-05 Supplying Air Under Pressure in Contact With Milk, Milk Products and Product

Contact Surfaces ............................................................................................................... 81

605-04 Permanently Installed Product and Solution Pipelines and Cleaning Systems

Used in Milk and Milk Product Processing Plants ........................................................... 82

606-05 Design, Fabrication, and Installation of Milking and Milk Handling Equipment 83

607-05 Spray Drying Systems .......................................................................................... 84

608-02 Instantizing Systems ............................................................................................ 86

609-03 A Method of Producing Culinary Steam ............................................................. 87


610-02 Sanitary Construction, Installation, and Cleaning of Cross Flow Membrane

Processing Systems ........................................................................................................... 87

611-00 Farm Milk Cooling and Storage Systems ............................................................ 90

612-00 Plant Environmental Air Quality ......................................................................... 91

E-600 Egg Breaking and Separating Machines ............................................................... 92

E-1500 Shell Egg Washers .............................................................................................. 93

P3-A-001 Pharmaceutical General Glossary .................................................................... 93

P3-A-002 Materials for Use in Process Equipment and Systems ..................................... 94


01-08 Storage Tanks Title: 3-A® Sanitary Standards for Storage Tanks, Number 01-08

Date: Effective November 20, 2001.

Scope: A1 These standards cover the sanitary aspects of storage tanks for milk

and milk products. A2 In order to conform to these 3-A Sanitary Standards, storage tanks

shall comply with the following design, material, and fabrication criteria.

References: 3-A Sanitary Standard for:

18- Multiple-Use Rubber and Rubber-Like Materials Used as Product Contact Surfaces in Dairy Equipment

20- Multiple-Use Plastic Materials 51- Plug-Type Valves for Milk and Milk Products 52- Plastic Plug-Type Valves for Milk and Milk Products 53- Compression-Type Valves 54- Diaphragm-Type Valves for Milk and Milk Products 56- Inlet and Outlet Leak-Protector Plug-Type Valves for Milk and

Milk Products 57- Disc-Type Valves 58- Vacuum Breakers and Check Valves for Milk and Milk Products 59- Automatic Positive Displacement Samplers for Fluid Milk and

Fluid Milk Products 63- Sanitary Fittings 74- Sensors and Sensor Fittings and Connections 73- Shear Mixers, Mixers, and Agitators 65- Sight and/or Light Windows and Sight Indicators in Contact with

Product 33- Polished Metal Tubing for Milk and Milk Products 85- Double-Seat Mixproof Valves 3-A Accepted Practice for: 604- Supplying Air Under Pressure in Contact With Milk, Milk

Products and Product Contact Surfaces


02-11 Centrifugal and Positive Rotary Pumps Title: 3-A® Sanitary Standards for Centrifugal and Positive Rotary Pumps,

Number 02-11

Date: Effective July 14, 2012

Scope: A1 These standards cover the sanitary aspects of centrifugal and positive rotary pumps for milk and milk products.

A2 In order to conform to these 3 A Sanitary Standards, centrifugal

and positive rotary pumps shall comply with the following design, materials, and fabrication criteria



20- Multiple-Use Plastic Materials 63- Sanitary Fittings

04-05 Homogenizers and Reciprocating Pumps Title: 3-A® Sanitary Standards for Homogenizers and Reciprocating Pumps,

Number 04-05

Date: Effective June 15, 2012

Scope: A1 This 3-A Sanitary Standard covers the sanitary aspects of homogenizers and reciprocating pumps, and their integral ancillary components, for milk, milk products and other liquid food products. Product enters the homogenizer or reciprocating pump at the product inlet and exits at the product outlet.

A2 This 3-A Sanitary Standard does not include drum-type pumps. A3 In order to conform to this 3 A Sanitary Standard, homogenizers

and reciprocating pumps shall conform to the following criteria for design, materials of construction, fabrication techniques and installation, as appropriate, and the current revisions or editions of all referenced documents cited herein.


18- Multiple-Use Rubber and Rubber-Like Materials 20- Multiple-Use Plastic Materials


33- Metal Tubing 42- In-Line Strainers 53- Compression-Type Valves 63- Sanitary Fittings 74- Sensors and Sensor Fittings and Connections Used on Equipment 82- Pulsation Dampening Devices 88- Machine Leveling Feet and Supports 603- Sanitary Construction, Installation, Testing, and Operation of

High-Temperature Short-Time and Higher-Heat Shorter-Time Pasteurizer Systems

604- Supplying Air Under Pressure in Contact with Product or Product Contact Surfaces

609- Method of Producing Steam of Culinary Quality

External References:

1. American Society of Mechanical Engineers (ASME) B46.1 Surface Texture Waviness and Lay. Available from the American Society of Mechanical Engineers, Three Park Ave., New York, NY 10016-5990, Phone: (212) 705-7722 or at http://www.asme.org

2. National Primary Drinking Water Regulation of the Environmental

Protection Agency (EPA), The Code of Federal Regulations (CFR), Title 40, Parts 141, 142, and 143. For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402, Phone: (202) 512-1800 or the EPA web site at: http://water.epa.gov/drink/contaminants/index.cfm

3. Grade “A” Pasteurized Milk Ordinance, available from: www.fda.gov/food/foodsafety/product-

specificinformation/milksafety/default.htm 4. AWS/ANSI D18.1 – Specification for Welding of Austenitic

Stainless Steel Tube and Pipe Systems in Sanitary (Hygienic) Applications.

AWS D18.2 – Guide to Weld Discoloration Levels on Inside of

Austenitic Stainless Steel Tube (ANSI Approved) AWS D18.3/D18.3M – Specification for Welding of Tanks,

Vessels, and Other Equipment in Sanitary (Hygienic) Applications (ANSI Approved)

Published by American Welding Society, 550 N.W. LeJeune Rd.,

Miami FL, Phone: (800) 443-3953, www.aws.org


http://www.asme.org/

http://water.epa.gov/drink/contaminants/index.cfm

http://www.fda.gov/food/foodsafety/product-specificinformation/milksafety/default.htm


http://www.aws.org/

5. Advanced Materials and Processes, Volume 137(1), “Coatings and Coating Practices” by H. Herman, “Surface Modification” by F. A. Smidt. ASM International, Materials Park, OH 44073, Phone: (216) 338-5151, Internet http://asminternational.org

6. AMS-S-13165, Shot Peening of Metal Parts. SAE International,

400 Commonwealth Dr., Warrendale, PA 15096-0001, Internet: http://www.sae.org

7. SAE AMS 2406, Chromium Plating (Electrodeposited). SAE-AMS

QQ-N-290A, Nickel Plating (Electrodeposited). SAE International, 400 Commonwealth Dr., Warrendale, PA 15096-0001, Internet: http://www.sae.org

8. AIST Stainless Steels: A Steel Products Manual, Association for

Iron & Steel Technology, 186 Thorn Hill Road, Warrendale, PA 15086, Phone: (724) 814 3000, Internet: www.aist.org

9. Steel Casting Handbook, Supplement 2, Steel Founders Society of

America, 780 McArdle Dr., Unit G, Crystal Lake, IL 60014, Phone: (815) 455-8240, Fax: (815) 455-8241, Internet: www.sfsa.org

10. MIL-C-26074E. Military Specification: Coatings, Electroless

Nickel Requirements For. Standardization, Document Automation & Production Service (Department of Navy), 700 Robbins Avenue, Building 4, Section D, Philadelphia, PA 19111-5094, Phone: (215) 697-2179, Fax: (215) 697-1462.

11. The Code of Federal Regulations (CFR), Title 21, Parts 175 –

Indirect Food Additives: Adhesives and Components of Coatings. For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402, Phone: (202) 512-1800, Internet: http://www.gpoaccess.gov/cfr/index.html

12. Machinery's Handbook, published by Industrial Press Inc., 200

Madison Avenue, New York, NY 10157, Phone: (888) 528-7852, Internet: http://new.industrialpress.com

13. Aerospace Standard (AS) 568, Aerospace Size Standards for O-

rings, published by SAE, 400 Commonwealth Drive, Warrendale, PA 15086, Phone: (724)-776-4841, Internet: http://www.sae.org

14. ISO 3601-1:2002: Fluid Power Systems, Sealing Devices – O-

Rings – Part 1: Inside diameters, cross-sections, tolerances and size identification code, The International Organization for


http://asminternational.org/

http://www.sae.org/

http://www.sae.org/

http://www.aist.org/

http://www.sfsa.org/

http://www.gpoaccess.gov/cfr/index.html

http://new.industrialpress.com/

http://www.sae.org/

Standardization (ISO), 1 ch. de la Voie-Creuse, Postale 56, CH -1211, Geneva 20, Switzerland, Phone: +41-22-749-01-11, Internet: www.iso.org

15. ASTM specifications for Cast Grades A351/A351M, A743/A743M

and A744/A744M. Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, Phone: (610) 832-9500. www.astm.org/standard/index.shtml

05-15 Stainless Steel Automotive Transportation Tanks for Bulk Delivery and Farm Pick-Up Service Title: 3-A® Sanitary Standards for Stainless Steel Automotive Transportation

Tanks for Bulk Delivery and Farm Pick-Up Service, Number 05-15

Date: Effective November 24, 2002

Scope: A1 These standards cover the sanitary aspects of automotive transportation tanks for milk, fluid milk products, and other liquid comestible products.

A2 In order to conform to these 3-A Sanitary Standards, transportation

tanks shall comply with the following design, material and fabrication criteria


02- Centrifugal and Positive Rotary Pumps 18- Multiple-Use Rubber and Rubber-Like Materials Used as Product

Contact Surfaces in Dairy Equipment 20- Multiple-Use Plastic Materials 33- Polished Metal Tubing for Milk and Milk Products 51- Plug-Type Valves for Milk and Milk Products 53- Compression-Type Valves 57- Disc-Type Valves 62- Hose Assemblies for Milk and Milk Products 63- Sanitary Fittings 68- Ball-Type Valves for Milk and Milk Products 74- Sensors and Sensor Fittings and Connections 3-A Accepted Practice for: 604- Supplying Air Under Pressure in Contact With Milk, Milk

Products and Product Contact Surfaces 605- Permanently Installed Product and Solution Pipelines and Cleaning

Systems Used in Milk and Milk Product Processing Plants


http://www.iso.org/

http://www.astm.org/standard/index.shtml

3-A Sanitary Standards referenced which have been discontinued 55- Boot Seal-Type Valves for Milk and Milk Products 66- Caged-Ball Valves for Milk and Milk Products

10-04 Filters Using Single Service Filter Media Title: 3-A® Sanitary Standards for Filters Using Single Service Filter Media,

Number 10-04


Scope: A1 These standards cover sanitary aspects of enclosed filtration equipment that uses single service filter media for filtering milk and milk products.

A2 In order to conform to these 3-A Sanitary Standards, filters shall

comply with the following design, material, and fabrication criteria.




11-09 Plate Type Heat Exchangers Title: 3-A® Sanitary Standards for Plate Type Heat Exchangers, Number 11-08

Date: Effective: August 1, 2010 Scope: A1. This standard covers the sanitary aspects of plate type heat

exchangers beginning with the inlet fittings for product(s) and for heat exchange media and ending with the outlet fittings for product(s) and for heat exchange media. This standard include the frame and/or support components for holding the heat exchange plates and the means for manual or mechanical opening and closing of the plate pack assembly.

A2 In order to conform to this 3-A Sanitary Standard, plate heat

exchangers shall conform to the following criteria for design,


materials of construction, fabrication techniques and installation, as appropriate, and the current revisions or editions of all referenced documents cited herein in Section B.

References: 3-A Sanitary Standard for: 18- Multiple-Use Rubber and Rubber-like Materials 20- Multiple-Use Plastic Materials 63- Sanitary Fittings 33- Metal Tubing 88- Machine Leveling Feet and Supports


1. AIST Steel Products Manual, Stainless & Heat Resisting Steels, Table 2-1. Association for Iron & Steel Technology (AIST), 410 Commonwealth Drive, Warrendale, PA 15086, Phone: (412) 776-1535. www.AIST.org

2. Steel Casting Handbook, Supplement 2, 1999. Available from

Steel Founders Society of America, 780 McArdle Dr., Unit G, Crystal Lake, IL 60014, Phone: (815) 455-8240, Fax: (815) 455-8241, www.sfsa.org.

3. MIL-C-26074E. Military Specification: Coatings, Electroless

Nickel Requirements For. Standardization, Document Automation & Production Service (Department of Navy), 700 Robbins Avenue, Building 4, Section D, Philadelphia, PA 19111-5094, Phone: (215)697-2179, Fax: (215) 697-1462.



5. ASTM specifications for Wrought Grades A276, A582, and A666.

Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, Phone: (610) 832-9500. www.astm.org/standard/index.shtml

6. (ANSI)/American Society of Mechanical Engineers (ASME)

B46.1 – Surface Texture Waviness and Lay. Available from the American Society of Mechanical Engineers, 345 East 47th Street, New York, NY 10017-2392, Phone: (212) 705-7722.

7. EHEDG Doc. 35 – Welding of Stainless Steel Tubing in the Food

Industry. European Hygienic Engineering & Design Group. Published by EHEDG. www.ehedg.org


Indirect Food Additives: Adhesives and Components of Coatings.






http://www.ehedg.org/

For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402, Phone: (202) 512-1800 or at http://gpoacess.gov/cfr/index.html.

9. GAR C-9 Cast Microfinish Comparator. Available from Gar

Electroforming Division, Electroformers Inc., 11 Augusta Drive, Commerce Park, PO Box 340, Danbury, CT 06813-0340, Phone: (203) 744-4300.

10. Advanced Materials and Processes, Volume 137(1), “Coatings and

Coating Practices” by H. Herman, “Surface Modification” by F. A. Smidt. ASM International, Materials Park, OH 44073, Phone: (216) 338-5151.

12-07 Tubular Heat Exchangers Title: 3-A® Sanitary Standards for Tubular Heat Exchangers, Number 12-07

Date: Adopted November 16, 2003

Scope: A1 These standards cover the sanitary aspects of tubular heat

exchangers without agitators. Tubular heat exchangers may have tube cross-sectional profile modifications or removable devices for promotion of desired flow characteristics. The standards do not cover high-pressure (greater than 250 psig or 1724 kPa product pressure) tubular heat exchangers which require special tubing and/or fittings.

A2 In order to conform to these 3-A Sanitary Standards, tubular heat

exchangers shall conform to the following design, material, and fabrication criteria.



20- Multiple-Use Plastic Materials 63- Sanitary Fittings 33- Polished Metal Tubing for Milk and Milk Products 74- Sensors and Sensor Fittings and Connections 3-A Accepted Practice for: 604- Supplying Air Under Pressure in Contact With Milk, Milk



http://gpoacess.gov/cfr/index.html


13-11 Farm Milk Cooling and Holding Tanks Title: 3-A® Sanitary Standards for Farm Milk Cooling and Holding Tanks,

Number 13-11

Date: Effective: July 23, 2012

Scope: A1 This standard covers the sanitary aspects of tanks in which bulk milk is cooled and stored on dairy farms.

A2 Tanks made in conformance to these standards shall provide a

means for cooling the milk. A3 The milk tank will consist of the following components: Lining,

jacket and rail, personnel access openings and covers, outlet valve, vent, agitation, refrigeration, measuring device and internal solution piping.

A3.1 Other components may include: external solution piping, cleaning

controls, temperature indication thermometer, recording thermometer, and weather protective cover and sanitary seals for agitator.

A4 In order to conform to these 3-A Sanitary Standards, farm milk

cooling and holding tanks shall conform to the following design, material, fabrication, and cooling criteria.



20- Multiple-Use Plastic Materials 33- Polished Metal Tubing for Milk and Milk Products 57- Disc-Type Valves 78- Spray Cleaning Devices Intended to Remain in Place 73- Shear Mixers, Mixers and Agitators 74- Sensors and Sensor Fittings and Connections 65- Sight and/or Light Windows and Sight Indicators in Contact with

Product 3-A Accepted Practice for: 604- Supplying Air Under Pressure in Contact With Milk, Milk



16-05 Milk and Milk Products Evaporators and Vacuum Pans Title: 3-A® Sanitary Standards for Milk and Milk Products Evaporators and

Vacuum Pans, Number 16-05

Date: Reaffirmed August 24, 1997

Scope: A1 These standards cover the sanitary aspects of evaporators and vacuum pans used for milk and milk products.

A2 In order to conform to these 3-A Sanitary Standards, evaporators

and vacuum pans shall comply with the following design, material, and fabrication criteria.



20- Multiple-Use Plastic Materials 11- Plate Type Heat Exchangers 12- Tubular Heat Exchangers 31- Scraped Surface Heat Exchangers 33- Polished Metal Tubing for Milk and Milk Products 51- Plug-Type Valves for Milk and Milk Products 52- Plastic Plug-Type Valves for Milk and Milk Products 63- Sanitary Fittings 58- Vacuum Breakers and Check Valves for Milk and Milk Products 74- Sensors and Sensor Fittings and Connections 68- Ball-Type Valves for Milk and Milk Products 59- Automatic Positive Displacement Samplers for Fluid Milk and

Fluid Milk Products 3-A Accepted Practice for: 605- Permanently Installed Product and Solution Pipelines and Cleaning

Systems Used in Milk and Milk Product Processing Plants 603- Sanitary Construction, Installation, Testing, and Operation of

High-Temperature Short-Time and Higher-Heat Shorter-Time Pasteurizer Systems

3-A Sanitary Standards referenced which have been discontinued 66- Caged-Ball Valves for Milk and Milk Products


17-11 Formers, Fillers, and Sealers of Containers for Fluid Milk and Fluid Milk Products Title: 3-A® Sanitary Standards for Formers, Fillers, and Sealers of Containers

for Fluid Milk and Fluid Milk Products, Number 17-11


Scope: A1 These standards cover the sanitary aspects of unitized equipment for forming, filling, and sealing containers for fluid milk and fluid milk products. The equipment shall perform one or more of the following functions: 1) forming the container, 2) applying and sealing a supplementary fitment or device, 3) filling the container and 4) sealing, including capping if part of the unitized equipment, the container. The equipment shall start at the points where the product, utilities (air, water, steam, cleaning chemicals, etc.), container, container blank, or container material first enters the unitized equipment. The equipment shall end where the formed, filled, and/or sealed container exits the equipment.

A2 These standards do not pertain to the container, to free-standing

container forming equipment or to other equipment such as labelers, printers, daters, cappers, applicators of supplementary fitments or devices or wrappers not furnished as part of the unitized equipment, nor shall it apply to fillers of viscous products, such as frozen desserts, cottage cheese, cultured yogurt, sour cream, whipped butter, cream cheese, and other similar viscous dairy products.

A3 In order to conform to these 3-A Sanitary Standards, formers,

fillers, and sealers of containers shall comply with the following design, material, and fabrication criteria.



20- Multiple-Use Plastic Materials 28- Flow Meters for Milk and Milk Products 33- Polished Metal Tubing for Milk and Milk Products 02- Centrifugal and Positive Rotary Pumps 04- Homogenizers and Reciprocating Pumps 44- Diaphragm Pumps 51- Plug-Type Valves for Milk and Milk Products 52- Plastic Plug-Type Valves for Milk and Milk Products


53- Compression-Type Valves 54- Diaphragm-Type Valves for Milk and Milk Products 59- Automatic Positive Displacement Samplers for Fluid Milk and

Fluid Milk Products 60- Milk and Milk Products Rupture Discs 74- Sensors and Sensor Fittings and Connections 64- Pressure Reducing and Back Pressure Regulating Valves for Milk

and Milk Products 65- Sight and/or Light Windows and Sight Indicators in Contact with

Product 62- Hose Assemblies for Milk and Milk Products 63- Sanitary Fittings 3-A Accepted Practice for: 604- Supplying Air Under Pressure in Contact With Milk, Milk

Products and Product Contact Surfaces 609- A Method of Producing Culinary Steam 3-A Sanitary Standards referenced which have been discontinued 55- Boot Seal-Type Valves for Milk and Milk Products

18-03 Multiple-Use Rubber and Rubber-Like Materials Used as Product Contact Surfaces in Dairy Equipment Title: 3-A® Sanitary Standards for Multiple-Use Rubber and Rubber-Like

Materials Used as Product Contact Surfaces in Dairy Equipment, Number 18-03

Date: Effective August 21, 1999

Scope: A1 These sanitary standards cover the material and serviceability requirements of rubber and rubber-like materials intended for multiple-use as product contact surfaces or solution contact surfaces in the production, processing and handling of milk or milk products. Test procedures and criteria are also provided for rubber and rubber-like materials as a means of determining their acceptance as to their ability to be cleaned and to receive effective bactericidal treatment or steam sterilization and to maintain their essential properties in these accelerated use-simulating conditions . These standards are not meant to cover design and fabrication criteria for individual rubber or rubber-like components because such criteria are provided for in other 3-A Sanitary Standards and


3-A Accepted Practices, nor are these standards intended to cover RTV silicone adhesives or sealants.

A2 In order to conform with these 3-A Standards, multiple-use rubber

and rubber-like materials shall comply with the following material, original physical properties and serviceability requirements.


19-07 Batch and Continuous Freezers for Ice Cream, Ices and Similarly Frozen Dairy Foods Title: 3-A® Sanitary Standards for Batch and Continuous Freezers for Ice

Cream, Ices and Similarly Frozen Dairy Foods, Number 19-07

Date: Effective December 1, 2008

Scope: A1 These standards cover the sanitary aspects of batch and continuous freezers for ice cream, sherbets, sorbets, ices, and other similarly-frozen foods and equipment integral therewith, including pumps, equipment for incorporating air or introducing flavoring material into the product and mix supply tanks attached to and made as a part of the freezer. These standards do not cover equipment designed for the freezing of soft-serve type ice cream, ices, and similarly-frozen products which are served to the consumer without further hardening.

A2 In order to conform to these 3-A Sanitary Standards, batch and

continuous freezers for ice cream, sherbets, sorbets, ices, and other similarly frozen foods shall conform to the following design, material, fabrication criteria and the applicable documents referenced herein.


02- Centrifugal and Positive Rotary Pumps 04- Homogenizers and Reciprocating Pumps 18- Multiple-Use Rubber and Rubber-Like Materials 20- Multiple-Use Plastic Materials 28- Flow Meters 33- Polished Metal Tubing 58- Vacuum Breakers and Check Valves 63- Sanitary Fittings


74- Sensors and Sensor Fittings and Connections Used on Equipment 88- Machine Leveling Feet and Supports 3-A Accepted Practice for: 604- Supplying Air Under Pressure in Contact With Milk, Milk

Products and Product Contact Surfaces External References:

1. Advanced Materials and Processes, Volume 137(1), “Coatings and Coating Practices” by H. Herman, “Surface Modification” by F. A. Smidt, p. 61. ASM International, Materials Park, OH 44073 (216) 338-5151.

2. AMS-S-13165, Shot Peening of Metal Parts. Society of

Automotive Engineers (AWS), Commonwealth Dr., Warrendale PA 15096-0001.

3. SAE-AMS-QQ-C-320, Chromium Plating (Electrodeposited).

SAE-AMS QQ-N-290A, Nickel Plating (Electrodeposited). Society of Automotive Engineers (AWS), 400 Commonwealth Dr., Warrendale, PA 15096- 0001.

4. AISI Steel Products Manual, Stainless & Heat Resisting Steels,

November 1990, Table 2-1, pp. 17-20. Available from the American Iron and Steel Society, 410 Commonwealth Drive, Warrendale, PA 15086 (412-776-1535).

5. Steel Founders Society of America, 780 McArdle Dr., Unit G,

Crystal Lake, IL 60014, Phone: (815) 455-8240, Fax: (815) 455-8241, Internet: www.sfsa.org .


and A744/A744M. Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, Phone: (610) 832-9500.

7. ASTM specifications for Wrought Grades A-276, A-582, and A-

666. Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, Phone: (610) 832-9500.


B46.1 – Surface Texture. Available from ASME, 345 East 47th Street, New York, NY 10017-2392 (212-705-7722).


Indirect Food Additives: Adhesives and Components of Coatings. For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402, (202) 512-1800.


10. ASHRAE test 52.2-1999 method of testing general ventilation air-cleaning devices for removal efficiency by particle size. Available from American Society of Heating, Refrigeration and Air Conditioning Engineers, 1791 Tullie Circle, N.E., Atlanta, GA 30329 Phone: 404-636-8400.

11. ISO 14644-1 designating standard classes of air particulate

cleanliness and specifies methods for verifying air cleanliness classifications. Available from The International Organization for Standardization (ISO), 1 Rue de Varembe, Case Postale 58, CH 1 1211, Geneva, Switzerland, Phone: +41-22-734-1240.

12. Machinery's Handbook, published by Industrial Press Inc., 200

Madison Avenue, New York, NY 10157, Phone: (888) 528-7852.

13. Aerospace Standard (AS) 568, Aerospace Size Standards for O-rings, published by SAE, 400 Commonwealth Drive, Warrendale, PA 15086. Phone: (412) 776-4970.

14. AWS/ANSI D18.1 – Specification for Welding of Austenitic

Stainless Steel Tube and Pipe Systems in Sanitary (Hygienic) Applications. Published by American Welding Society, 550 N.W. LeJeune Rd., Miami FL, Phone: (800) 443-3953, www.aws.org.

15. EHEDG Doc. 9 – Welding Stainless Steel to Meet Hygienic

Requirements. European Hygienic Engineering & Design Group. Published by EHEDG, www.ehedg.org

16. ISO 3601-1: The International Organization for Standardization

(ISO), 1 Rue de Varembe, Case Postale 58, CH 1 1211, Geneva, Switzerland. Phone: +41-22-734-1240.

20-27 Multiple-Use Plastic Materials Title: 3-A® Sanitary Standards for Multiple-Use Plastic Materials, Number 20-

27

Date: Effective: July 7, 2011

Scope: A1 These sanitary standards cover the material requirements of plastics for multiple-use as product contact and/or cleaning solution contact surfaces in equipment for production, processing, and handling of milk and milk product(s). Test criteria are provided for plastics as a means of determining their acceptance as


http://www.aws.org/


to their ability to be cleaned and to receive effective bactericidal treatment and to maintain their essential functional properties and surface finish in accelerated use-simulating tests . These standards do not apply to plastics for single service application nor plastics which are of rubber or rubber-like origin resulting from chemical or thermal vulcanization or curing. These standards are also not meant to cover design and fabrication criteria for individual plastic components, because such criteria are provided for in other 3-A Sanitary Standards and 3-A Accepted Practices.

A2 In order to conform to these 3-A Sanitary Standards, multiple-use

plastics shall comply with the following material, fabrication of test specimens as described in Section D3 herein, and cleanability standards.



21-01 Centrifugal Separators and Clarifiers Title: 3-A® Sanitary Standards for Centrifugal Separators and Clarifiers,

Number 21-01

Date: Effective: November 13, 2006

Scope: A1 These Standards cover the sanitary aspects of centrifugal separators or clarifiers used to separate fractions of milk or milk products or other liquid food products or to centrifugally remove dense phase material from products. This machine starts at the product inlet(s) and terminates at the product outlet(s) and the nonproduct discharge(s), if included.

These Standards do not cover cyclonic types of separators, decanters, basket centrifuges and other types of devices and the spacers (caulks) for separator or clarifier discs and their attachment to the discs. (See Appendix M.)

A2 In order to conform to these 3-A Sanitary Standards, centrifugal

separators or clarifiers shall comply with the following design, material, and fabrication criteria and the applicable documents referenced herein.




20- Multiple-Use Plastic Materials 33- Polished Metal Tubing for Milk and Milk Products 63- Sanitary Fittings 74- Sensors and Sensor Fittings and Connections 65- Sight and/or Light Windows and Sight Indicators in Contact with

Product 3-A Accepted Practice for: 605- Permanently Installed Product and Solution Pipelines and Cleaning


22-08 Silo-Type Storage Tanks for Milk and Milk Products Title: 3-A® Sanitary Standards for Silo-Type Storage Tanks for Milk and Milk

Products, Number 22-08

Date: Adopted: November 21, 2004

Scope: A1 These standards cover the sanitary aspects of silo-type storage tanks for milk and milk products used at dairy processing plants. These standards are not intended to cover silo-type tanks used on dairy farms.

A2 In order to conform to these 3-A Sanitary Standards, silo-type

storage tanks shall conform to the following design, material, fabrication and refrigeration criteria



20- Multiple-Use Plastic Materials 33- Polished Metal Tubing for Milk and Milk Products 73- Shear Mixers, Mixers, and Agitators 74- Sensors and Sensor Fittings and Connections 56- Inlet and Outlet Leak-Protector Plug-Type Valves for Milk and

Milk Products 57- Disc-Type Valves 60- Milk and Milk Products Rupture Discs 63- Sanitary Fittings 51- Plug-Type Valves for Milk and Milk Products


52- Plastic Plug-Type Valves for Milk and Milk Products 53- Compression-Type Valves 54- Diaphragm-Type Valves for Milk and Milk Products 3-A Accepted Practice for: 604- Supplying Air Under Pressure in Contact With Milk, Milk


Systems Used in Milk and Milk Product Processing Plants 3-A Sanitary Standards referenced which have been discontinued 55- Boot Seal-Type Valves for Milk and Milk Products

23-06 Equipment for Packaging Viscous Product Title: 3-A® Sanitary Standards for Equipment for Packaging Viscous Products,

Number 23-06


Scope: A1 These standards cover the sanitary aspects of unitized equipment for holding, opening, forming, dispensing, filling, closing, sealing, or capping containers for viscous products, or wrapping viscous products, and all parts essential to these functions. The equipment shall perform one or more of the following functions: 1. Holding the container preparatory to further processing 2. Opening the container 3. Forming the container 4. Dispensing a preformed container 5. Applying and sealing a supplementary fitment 6. Other processing equipment, as defined herein 7. Filling the container 8. Closing the container 9. Sealing the container 10. Capping the container 11. Wrapping the container 12. Applying a tamper-evident security seal.

The equipment shall start at the point(s) where the product, container, container blank, container material or wrapping material first enters the equipment. The equipment shall end where the packaged product exits the unitized equipment.

A2 These standards do not pertain to the container, to free-standing


container forming equipment or to other equipment such as labelers, printers, daters, cappers, applicators of supplementary fitments or devices or wrappers not furnished as part of the unitized equipment, nor shall it apply to fillers of nonviscous products.

A3 In order to conform to these 3-A Sanitary Standards, equipment for

packaging viscous products shall conform to the following design, material, and fabrication criteria and the applicable documents referenced herein.



20- Multiple-Use Plastic Materials 33- Polished Metal Tubing for Milk and Milk Products 65- Sight and/or Light Windows and Sight Indicators in Contact with

Product 60- Milk and Milk Products Rupture Discs 63- Sanitary Fittings 51- Plug-Type Valves for Milk and Milk Products 53- Compression-Type Valves 54- Diaphragm-Type Valves for Milk and Milk Products 02- Centrifugal and Positive Rotary Pumps 04- Homogenizers and Reciprocating Pumps 28- Flow Meters for Milk and Milk Products 46- Refractometers and Energy Absorbing Optical Sensors for Milk

and Milk Products 58- Vacuum Breakers and Check Valves for Milk and Milk Products 68- Ball-Type Valves for Milk and Milk Products 74- Sensors and Sensor Fittings and Connections 52- Plastic Plug-Type Valves for Milk and Milk Products 62- Hose Assemblies for Milk and Milk Products 3-A Accepted Practice for: 604- Supplying Air Under Pressure in Contact With Milk, Milk


Systems Used in Milk and Milk Product Processing Plants 609- A Method of Producing Culinary Steam 3-A Sanitary Standards referenced which have been discontinued 66- Caged-Ball Valves for Milk and Milk Products


24-03 Non-Coil Type Batch Pasteurizers for Milk and Milk Products Title: 3-A® Sanitary Standards for Non-Coil Type Batch Pasteurizers for Milk

and Milk Products, Number 24-03

Date: Effective July 16, 2010

Scope: A1 This standard covers the sanitary aspect of non-coil type batch pasteurizers used to pasteurize milk, fluid milk products, or other fluid food products and includes those appurtenances necessary to meet pasteurization requirements. This Standard shall be deemed inclusive of the points where the product enters and exits the noncoil type batch pasteurizer.

A2 In order to conform to this 3-A Sanitary Standard, non-coil type

batch pasteurizers shall conform to the following criteria for design, materials of construction, fabrication techniques and installation, as appropriate, and the current revisions or editions of all referenced documents cited herein.


18- Multiple-Use Rubber and Rubber-Like Materials 20- Multiple-Use Plastic Materials 33- Polished Metal Tubing 56- Inlet and Outlet Leak-Protector Plug-Type Valves 63- Sanitary Fittings 65- Sight and/or Light Windows and Sight Indicators 73- Shear Mixers, Mixers and Agitators 74- Sensors and Sensor Fittings and Connections Used on Equipment 78- Spray Devices to Remain in Place 84- Personnel Access Port for Wet Applications 88- Machine Leveling Feet and Supports 3-A Accepted Practice for: 604- Supplying Air Under Pressure in Contact with Product, and

Product Contact Surfaces 609- Accepted Practice for Culinary Steam






Crystal Lake, IL 60014, Phone: (815) 455-8240, Fax: (815) 455-8241, Internet: www.sfsa.org

3. ASTM specifications for Cast Grades A351/A351M, A743/A743M and A744/A744M. Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, Phone: (610) 832-9500.


Stainless Steel Tubeand Pipe Systems in Sanitary (Hygienic) Applications. AWS D18.2 – Guide to Weld Discoloration Levels on Inside of Austenitic Stainless Steel Tube (ANSI Approved) AWS D18.3/D18.3M - Specification for Welding of Tanks, Vessels, and Other Equipment in Sanitary (Hygienic) Applications (ANSI Approved) Published by American Welding Society, 550 N.W. LeJeune Rd., Miami FL, Phone: (800) 443-3953, www.aws.org.



6. Grade “A” Pasteurized Milk Ordinance,

http://www.cfsan.fda.gov/~ear/pmo03toc.html.

7. The Code of Federal Regulations (CFR), Title 21, Parts 175 – Indirect Food Additives: Adhesives and Components of Coatings. For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402, Phone: (202) 512-1800 or at http://www.gpoaccess.gov/cfr/index.html.


rings, published by SAE, 400 Commonwealth Drive, Warrendale, PA 15086, Phone: (724)-776-4841.

9. ISO 3601-1: The International Organization for Standardization (ISO), 1 Rue de Varembe, Case Postale 58, CH 1 1211, Geneva, Switzerland, Phone: +41-22-734-1240.

25-03 Non-Coil Type Batch Processors Title: 3-A® Sanitary Standards for Non-Coil Type Batch Processors, Number

25-03



http://www.aws.org/


http://www.cfsan.fda.gov/%7Eear/pmo03toc.html



Scope: A1 These standards cover sanitary aspects of non-coil type batch

processors used to heat, cool, or process milk, fluid milk products, or other fluid comestibles. Batch processors may be either of the atmospheric or closed type. The latter may be operated at pressures from below to above that of the atmosphere.

A2 In order to conform to these 3-A Sanitary Standards, non-coil type

batch processors shall conform to the following design, material, and fabrication criteria.

References: 3-A Sanitary Standard for: 18- Multiple-Use Rubber and Rubber-Like Materials Used as Product

Contact Surfaces in Dairy Equipment 20- Multiple-Use Plastic Materials 33- Polished Metal Tubing for Milk and Milk Products 78- Spray Cleaning Devices Intended to Remain in Place 60- Milk and Milk Products Rupture Discs 63- Sanitary Fittings 65- Sight and/or Light Windows and Sight Indicators in Contact with

Product 73- Shear Mixers, Mixers, and Agitators 51- Plug-Type Valves for Milk and Milk Products 52- Plastic Plug-Type Valves for Milk and Milk Products 53- Compression-Type Valves 54- Diaphragm-Type Valves for Milk and Milk Products 56- Inlet and Outlet Leak-Protector Plug-Type Valves for Milk and

Milk Products 57- Disc-Type Valves 58- Vacuum Breakers and Check Valves for Milk and Milk Products 74- Sensors and Sensor Fittings and Connections 3-A Sanitary Standards referenced which have been discontinued 55- Boot Seal-Type Valves for Milk and Milk Products

26-05 Sifters for Dry Products Title: 3-A® Sanitary Standards for Sifters for Dry Products, Number 26-05

Date: Effective: April 26, 2007

Scope: A1 These standards cover the sanitary aspects of sifters used for

processing dry products beginning at, as appropriate, the inlets for


products, cleaning solutions, processing air and terminating at the outlets for product, processing air, cleaning solutions or rejected material.

A2 In order to conform to these 3 A Sanitary Standards, sifting

equipment shall comply with the following design, material, and fabrication criteria.



20- Multiple-Use Plastic Materials 65- Sight and/or Light Windows and Sight Indicators in Contact with

Product 62- Hose Assemblies for Milk and Milk Products 63- Sanitary Fittings

27-06 Equipment for Packaging Dry Milk and Dry Milk Products Title: 3-A® Sanitary Standards for Equipment for Packaging Dry Milk and Dry

Milk Products, Number 27-06

Date: Effective May 7, 2010

Scope: A1 These standards cover the sanitary aspects of equipment for performing the functions of holding, forming, dispensing, filling, weighing, deaerating, closing, and/or sealing containers, and all parts which are essential to these functions when they are performed as an integral part of the packaging operation. These standards do not pertain to the container nor to a duct(s) which is not a part of the packaging equipment.

A2 In order to conform to these 3-A Sanitary Standards, equipment for

packaging dry milk and dry milk products shall conform to the following design, material, and fabrication criteria and the applicable documents referenced herein.



20- Multiple-Use Plastic Materials


63- Sanitary Fittings 3-A Accepted Practice for: 604- Supplying Air Under Pressure in Contact With Milk, Milk


28-04 Flow Meters for Milk and Milk Products Title: 3-A® Sanitary Standards for Flow Meters for Milk and Milk Products,

Number 28-04

Date: Effective January 26, 2009

Scope: A1 These standards cover the sanitary aspects of flow meters for milk and milk products and include that portion of any device integral with the meter such as strainers, temperature sensors and density sensors, which is in contact with the flowing product. It does not pertain to meters designed to measure the milk from an individual milking animal.

A2 In order to conform to these 3 A Sanitary Standards, flow meters

shall comply with the following design, material, and fabrication criteria



20- Multiple-Use Plastic Materials 63- Sanitary Fittings 33- Polished Metal Tubing for Milk and Milk Products

29-03 Air Eliminators Title: 3-A® Sanitary Standards for Air Eliminators, Number 29-03


Scope: A1 This 3-A Sanitary Standard covers the sanitary aspects of air

eliminators that vent air removed from product directly to the atmosphere and does not apply to devices using vacuum to remove air. Product and air enter the air eliminator at the inlet connection,


product exits at the outlet connection and air exits at the air vent. A2 In order to conform to this 3-A Sanitary Standard, air eliminators

shall conform to the following criteria for design, materials of construction, fabrication techniques and installation, as appropriate, and the current revisions or editions of all referenced documents cited herein.


18- Multiple-Use Rubber and Rubber-like Materials 20- Multiple-Use Plastic Materials 33- Metal Tubing 58- Vacuum Breakers and Check Valves 63- Sanitary Fittings 65- Sight and/or Light Windows and Sight Indicators in Contact with

Product 74- Sensors and Sensor Fittings and Connections Used on Equipment 78- Spray Cleaning Devices Intended to Remain in Place 88- Machine Leveling Feet and Supports


1. (ANSI)/American Society of Mechanical Engineers (ASME) B46.1 - Surface Texture Waviness and Lay. Available from the American Society of Mechanical Engineers, 345 East 47th Street, New York, NY 10017-2392, Phone: (212) 705-7722. http://webstore.ansi.org


3. Steel Casting Handbook, Supplement 2, 1999, Steel Founders Society of America, 780 McArdle Dr., Unit G, Crystal Lake, IL 60014, Phone: (815) 455-8240, Fax: (815) 455-8241, Internet: www.sfsa.org


Indirect Food Additives: Adhesives and Components of Coatings. For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402, Phone: (202) 512-1800 or at http://www.gpoaccess.gov/cfr/index.html

5. AWS/ANSI D18.1 – Specification for Welding of Austenitic Stainless Steel Tube and Pipe Systems in Sanitary (Hygienic) Applications. Published by American Welding Society, 550 N.W. LeJeune Rd., Miami FL, Phone: (800) 443-3953, www.aws.org





http://www.aws.org/

6. EHEDG Doc. 9 – Welding Stainless Steel to Meet Hygienic Requirements. European Hygienic Engineering & Design Group. Published by EHEDG, www.ehedg.org

7. Aerospace Standard (AS) 568, published by SAE, 400

Commonwealth Drive, Warrendale, PA 15086, Phone: (412) 776-4970.

8. ISO 3601-1:2002: Fluid Power Systems, Sealing Devices – O-Rings – Part 1: Inside diameters, cross-sections, tolerances and size identification code, The International Organization for Standardization (ISO), 1 ch. de la Voie-Creuse, Postale 56, CH -1211, Geneva 20, Switzerland, Phone: +41-22-749-01-11. www.iso.org



10. ASTM specifications for Wrought Grades A-276, A-582, and A-666. Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, Phone: (610) 832-9500. www.astm.org/standard/index.shtml

30-01 Farm Milk Storage Tanks Title: 3-A® Sanitary Standards for Farm Milk Storage Tanks, Number 30-01

Date: Effective September 9, 1984

Scope: A1 These standards cover the sanitary aspects of tanks in which bulk

milk is stored on dairy farms. They do not pertain to storage tanks nor to silo type tanks for milk and milk products used in dairy processing plants nor do they pertain to farm milk cooling and holding tanks.

A2 Tanks made in conformance to these standards will prevent a

significant increase in the temperature of the milk stored in the tank by the insulation or by the combination of the insulation and refrigeration. These tanks will not provide the means for cooling the milk.

A3 In order to conform with these 3-A Sanitary Standards, farm milk

storage tanks shall comply with the following design, material and



http://www.iso.org/



fabrication criteria.


Contact Surfaces in Dairy Equipment 20- Multiple-Use Plastic Materials 63- Sanitary Fittings 74- Sensors and Sensor Fittings and Connections 3-A Accepted Practice for: 604- Supplying Air Under Pressure in Contact With Milk, Milk


31-06 Scraped Surface Heat Exchangers Title: 3-A® Sanitary Standards for Scraped Surface Heat Exchangers, Number

31-06

Date: Effective: September 24, 2010

Scope: A1 These standards cover the sanitary aspects of scraped surface heat exchangers for adding heat to, or removing heat from products. These standards do not pertain to freezers for ice cream, ices and similarly frozen dairy foods nor to batch processors.

A2 In order to conform to these 3-A Sanitary Standards, scraped

surface heat exchangers shall conform to the following design, material and fabrication criteria



20- Multiple-Use Plastic Materials 63- Sanitary Fittings 33- Polished Metal Tubing for Milk and Milk Products 74- Sensors and Sensor Fittings and Connections 19- Batch and Continuous Freesers for Ice Cream, Ices and Similarly

Frozen Dairy Foods

32-02 Uninsulated Tanks for Milk and Milk Products


Title: 3-A® Sanitary Standards for Uninsulated Tanks for Milk and Milk Products, Number 32-02


Scope: A1 These standards cover the sanitary aspects of un-insulated tanks, both open top and closed types, and both single and multiple compartment types, that are intended to be used for one of the following purposes:

A1.1 Mixing of milk and milk products and ingredients.

A1.2 Storage of milk and milk products in uninsulated tanks

intended to be located in a room in which the air surrounding the tank will maintain the product temperature.

A1.3 Storage of milk and milk products in uninsulated tanks

having heat exchange surfaces to maintain the product temperature.

A1.4 As a raw product constant level tank in a pasteurizing

system.

A1.5 As a product surge or feed tank within a milk or milk products processing system, and farm milk handling equipment.

A2 In order to conform with these 3-A Sanitary Standards, uninsulated

tanks shall comply with the following design, material, and fabrication criteria.



20- Multiple-Use Plastic Materials 63- Sanitary Fittings 33- Polished Metal Tubing for Milk and Milk Products 74- Sensors and Sensor Fittings and Connections 51- Plug-Type Valves for Milk and Milk Products 52- Plastic Plug-Type Valves for Milk and Milk Products 53- Compression-Type Valves 54- Diaphragm-Type Valves for Milk and Milk Products 56- Inlet and Outlet Leak-Protector Plug-Type Valves for Milk and

Milk Products 57- Disc-Type Valves


3-A Accepted Practice for: 604- Supplying Air Under Pressure in Contact With Milk, Milk

Products and Product Contact Surfaces 3-A Sanitary Standards referenced which have been discontinued 55- Boot Seal-Type Valves for Milk and Milk Products

33-02 Polished Metal Tubing for Milk and Milk Products Title: 3-A® Sanitary Standards for Polished Metal Tubing for Milk and Milk



Scope: A1 This standard covers the sanitary aspects of metal tubing used to convey milk and milk products. This standard does not apply to the assembly of metal tubing into further fabricated forms or systems.

A2 In order to conform to this 3-A Sanitary Standard, metal tubing

shall conform to the following criteria for materials of construction, fabrication techniques, and the current revisions or editions of all referenced documents cited herein.


34-02 Portable Bins for Dry Milk and Dry Milk Products Title: 3-A® Sanitary Standards for Portable Bins for Dry Milk and Dry Milk



Scope: A1 These standards cover the sanitary aspects of portable bins for storage, transportation and handling of dry milk and dry milk products in bulk. They do not pertain to (1) stationary bins, (2) bins (tanks) installed on automotive highway equipment, or (3) piping and appurtenances that are not attached to the bin.

A2 In order to conform with these 3 A Sanitary Standards, dry milk

bins shall comply with the following design, material, and fabrication criteria, and the applicable documents referenced


herein.


Contact Surfaces in Dairy Equipment 20- Multiple-Use Plastic Materials 63- Sanitary Fittings 74- Sensors and Sensor Fittings and Connections

35-04 Blending Equipment Title: 3-A® Sanitary Standards for Blending Equipment, Number 35-04

Date: Effective: August 8, 2011

Scope: A1 These standards cover the sanitary aspects of blending equipment

used for combining and/or mixing either wet or dry products and includes any component equipment which shall conform to their respective 3-A Sanitary Standards.

A1.1 The blending equipment begins at the entrance to the hopper or

infeed pipe connection(s) and ends at the exit pipe fitting and includes all equipment in between.

A2 In order to conform to these 3-A Sanitary Standards, blending

equipment shall conform to the following design, material and fabrication criteria

References: 3-A Sanitary Standards for:

02- Centrifugal and Positive Rotary Pumps 18- Multiple-Use Rubber and Rubber-Like Materials 20- Multiple-Use Plastic Materials 32- Uninsulated Tanks 33- Polished Metal Tubing 36- In-Line Rotor-Stator Mixers 51- Plug-Type Valves 52- Plastic Plug-Type Valves 53- Compression-Type Valves 54- Diaphragm-Type Valves 55- Boot Seal-Type Valves 57- Tank Outlet Valves 58- Vacuum Breakers and Check Valves 62- Hose Assemblies 63- Sanitary Fittings


65- Sight and/or Light Windows and Sight Indicators 73- Shear Mixers, Mixers, and Agitators 74- Sensors and Sensor Fittings and Connections Used on Equipment 78- Spray Devices to Remain in Place 81- Auger-Type Feeders 3-A Accepted Practices for: 605- Permanently Installed Product and Solution Pipelines and Cleaning

Systems

36-01 Inline Rotor-Stator Mixers Title: 3-A® Sanitary Standards for Inline Rotor-Stator Mixers Number 36-01


Scope: A1 These standards cover the sanitary aspects of inline devices which

use a combination of a rotor and a stator to effect mixing and size reductions for liquids, slurries, and liquid-gas mixtures.

A1.1 The rotor-stator mixer begins at the infeed pipe connection(s) and

ends at the exit pipe fitting and includes all equipment in between. A2 In order to conform to the 3-A Sanitary Standards, rotor-stator

inline mixers, (Referred hereinafter as “inline mixers”) shall conform to the following design, material and fabrication criteria and the applicable documents referenced herein.


18- Multiple-Use Rubber and Rubber-Like Materials 20- Multiple-Use Plastic Materials 63- Sanitary Fittings 74- Sensors and Sensor Fittings and Connections Used on Equipment

38-00 Cottage Cheese Vats Title: 3-A® Sanitary Standards for Cottage Cheese Vats, Number 38-00


Scope: A1 These standards cover the sanitary aspects of open top-type vats


used in the batch production of cottage cheese curd. A2 In order to conform with these 3-A Sanitary Standards, cottage

cheese vats shall comply with the following design, material and fabrication criteria


18- Multiple-Use Rubber and Rubber-Like Materials 20- Multiple-Use Plastic Materials 63- Sanitary Fittings

39-01 Pneumatic Conveyors for Dry Milk and Dry Milk Products Title: 3-A® Sanitary Standards for Pneumatic Conveyors for Dry Milk and Dry

Milk Products, Number 39-01


Scope: A1 These standards cover the sanitary aspects of equipment used in systems solely for the pneumatic conveying of dry milk, dry milk products, or other dry comestibles utilizing air flow which is caused by either a pressure or vacuum differential. These standards are not intended to cover pneumatic conveying equipment or systems that are an integral part of a spray drying or instantizing system unless specifically referenced for that purpose in the applicable 3-A Sanitary Standard or 3-A Accepted Practice. The equipment begins at the point at which product enters the conveyor and ends at the point(s) where product is discharged from the conveyor. With respect to air, the equipment begins at the point where conveying air leaves the final filter and ends at the entrance of the air/product separator equipment. These standards also include any required product accumulation, conditioning and metering equipment which are located before product introduction into the conveying air pipeline and which are provided by the equipment manufacturer.

These standards do not cover the use of:

1. Air slide type conveyors which convey product using air

flow through a permeable membrane type media or perforated plate.

2. Wand type pneumatic conveying equipment from open


containers or bags where ambient air can be introduced to convey product.

3. Product storage bins, hoppers, silos that are part of the air/product separation equipment.

4. Bag collectors, when used as air/product separators, which are covered by 3-A Sanitary Standards for Bag Collectors, No. 40-.

A2 In order to conform to these 3-A Sanitary Standards, pneumatic dry

milk conveyors shall conform to the following design, material and fabrication criteria.


18- Multiple-Use Rubber and Rubber-Like Materials 20- Multiple-Use Plastic Materials 50- Level Sensing Devices for Dry Products 53- Compression-Type Valves 62- Hose Assemblies 65- Sight and/or Light Windows and Sight Indicators in Contact with

Product 66- Caged-Ball Valves 68- Ball-Type Valves 74- Sensors and Sensor Fittings and Connections Used on Equipment 78- Spray Devices to Remain in Place 3-A Accepted Practice for: 604- Supplying Air Under Pressure in Contact with Product, and

Product Contact Surfaces 605- Permanently Installed Product and Solution Pipelines and Cleaning

Systems

40-04 Bag Collectors Title: 3-A® Sanitary Standards for Bag Collectors, Number 40-04

Date: Effective: March 16, 2012

Scope: A1 These standards cover the sanitary aspects of bag collectors for the

dry filter entrapment and collection of particulates of dry food products from air exhausted from spray drying systems, instantizing systems, or other dry product systems beginning at the flanges or junctions of the product/air inlets of the bag collector and terminating at the flanges or junctions of the air exhaust and product outlets.


With respect to pressurized air, the bag collector starts at the air inlet to the pressurized air reservoir, or, in the case of an internal pressurized air receiver, it shall start at the air inlet to the bag collector. With respect to processing air, if provided, the bag collector starts at the flange or junction of the processing air inlet(s). If the bag collector is designed for mechanical cleaning, these standards include the cleaning solution pipelines, valves, and associated components integral to the bag collector. These standards also include materials and fabrication criteria appropriate for bag collectors:

a. to be cleaned by a variety of methods and with different degrees of prior disassembly.

b. which have optional integral fluid bed components. These standards do not include equipment mounted upstream from inlet flanges or junctions or downstream from the outlet flanges or junctions, including but not limited to product outlet valves, isolation valves, air ducting, fans, and blowers.

A2 In order to conform to these 3-A Sanitary Standards, bag collectors

shall conform to the following design, material, and fabrication criteria, and the applicable documents referenced herein.



20- Multiple-Use Plastic Materials 63- Sanitary Fittings 74- Sensors and Sensor Fittings and Connections 46- Refractometers and Energy Absorbing Optical Sensors for Milk

and Milk Products 41- Mechanical Conveyors for Dry Products 78- Spray Cleaning Devices Intended to Remain in Place 65- Sight and/or Light Windows and Sight Indicators in Contact with

Product 49- Air Driven Sonic Horns for Dry Products 50- Level Sensing Devices for Dry Products 58- Vacuum Breakers and Check Valves for Milk and Milk Products 62- Hose Assemblies for Milk and Milk Products 33- Polished Metal Tubing for Milk and Milk Products 85- Double-Seat Mixproof Valves 68- Ball-Type Valves for Milk and Milk Products


51- Plug-Type Valves for Milk and Milk Products 52- Plastic Plug-Type Valves for Milk and Milk Products 53- Compression-Type Valves 54- Diaphragm-Type Valves for Milk and Milk Products 56- Inlet and Outlet Leak-Protector Plug-Type Valves for Milk and

Milk Products 57- Disc-Type Valves 3-A Accepted Practice for: 604- Supplying Air Under Pressure in Contact With Milk, Milk

Products and Product Contact Surfaces 607- Spray Drying Systems 605- Permanently Installed Product and Solution Pipelines and Cleaning


41-03 Mechanical Conveyors for Dry Products Title: 3-A® Sanitary Standards for Mechanical Conveyors for Dry Products,

Number 41-03

Date: Effective: January 4, 2008

Scope: A1 These standards cover the sanitary aspects of mechanical equipment used solely for conveying dry milk and dry milk products except bucket types and are not an integral part of the dryer, commencing with the point at which the product enters the conveyor and ending at the point the product is discharged from the conveyor.

A2 In order to conform to these 3-A Sanitary Standards, mechanical

dry milk conveyors shall conform to the following design, material, and fabrication criteria.




42-01 In-Line Strainers for Milk and Milk Products, Number


Title: 3-A® Sanitary Standards for In-Line Strainers for Milk and Milk Products, Number 42-01


Scope: A1 These standards cover the sanitary aspects of in-line strainers for milk and milk products.

Straining devices which employ mechanical action are not covered by this standard.

A2 In order to conform with these 3-A Sanitary Standards, in-line

strainers shall comply with the following design, material, and fabrication criteria.




44-03 Diaphragm Pumps Title: 3-A® Sanitary Standards for Diaphragm Pumps, Number 44-03


Scope: A1 These standards cover the sanitary aspects of air, hydraulically, or

mechanically driven diaphragm pumps for milk and milk products. A2 In order to conform to these 3-A Sanitary Standards, diaphragm

pumps shall comply with the following design, material, and fabrication criteria





45-02 Crossflow Membrane Modules Title: 3-A® Sanitary Standards for Crossflow Membrane Modules, Number 45-

02


Scope: A1 These standards cover the sanitary aspects of crossflow membrane modules for use with ultrafiltration, diafiltration, microfiltration and reverse osmosis systems for processing milk and milk products.

A2 In order to conform to these 3-A Sanitary Standards, membrane

modules shall conform to the following design, material, and fabrication criteria



20- Multiple-Use Plastic Materials 63- Sanitary Fittings 3-A Accepted Practices for: 610- Sanitary Construction, Installation, and Cleaning of Cross Flow

Membrane Processing Systems 605- Permanently Installed Product and Solution Pipelines and Cleaning


46-03 Refractometers and Energy Absorbing Optical Sensors for Milk and Milk Products Title: 3-A® Sanitary Standards for Refractometers and Energy Absorbing

Optical Sensors for Milk and Milk Products, Number 46-03


Scope: A1 These standards cover the sanitary aspects of refractometers and energy absorbing optical sensors used on milk and milk products equipment for sensing concentration, turbidity and/or color.

A2 In order to conform with these 3-A Sanitary Standards,

refractometers and energy absorbing optical sensors shall comply with the following design, material, and fabrication criteria and the


applicable documents referenced herein.


Contact Surfaces in Dairy Equipment 20- Multiple-Use Plastic Materials 33- Polished Metal Tubing for Milk and Milk Products 74- Sensors and Sensor Fittings and Connections 63- Sanitary Fittings 51- Plug-Type Valves for Milk and Milk Products 52- Plastic Plug-Type Valves for Milk and Milk Products 53- Compression-Type Valves 54- Diaphragm-Type Valves for Milk and Milk Products 3-A Accepted Practices for: 605- Permanently Installed Product and Solution Pipelines and Cleaning

Systems Used in Milk and Milk Product Processing Plants 609- Method of Producing Steam of a Culinary Quality 3-A Sanitary Standards referenced which have been discontinued 55- Boot Seal-Type Valves for Milk and Milk Products

49-01 Air Driven Sonic Horns for Dry Products Title: 3-A® Sanitary Standards for Air Driven Sonic Horns for Dry Products,

Number 49-01


Scope: A1 These standards cover the sanitary aspects of air-driven sonic horns that dislodge particulates, enhance atomization, augment fluidization or are used in other ways to enhance the drying and/or recovery of dry products. Sonic horns shall begin at the downstream face of the filter element located at the compressed air connection of the driver and terminate at the discharge of the acoustic bell.

A2 In order to conform to these 3-A Sanitary Standards, sonic horns

shall comply with the following design, material, and fabrication criteria




20- Multiple-Use Plastic Materials 33- Polished Metal Tubing for Milk and Milk Products 63- Sanitary Fittings 3-A Accepted Practices for: 604- Supplying Air Under Pressure in Contact With Milk, Milk



50-01 Level Sensing Devices for Dry Products Title: 3-A® Sanitary Standards for Level Sensing Devices for Dry Products,

Number 50-01


Scope: A1 These standards cover the sanitary aspects of devices, excluding load cells, which have product contact surfaces and are used on dry products, storage vessels or equipment for sensing product level.

A2 In order to conform to these 3-A Sanitary Standards, dry product

level sensing devices shall comply with the following design, material, and fabrication criteria .



20- Multiple-Use Plastic Materials 74- Sensors and Sensor Fittings and Connections 63- Sanitary Fittings 3-A Accepted Practices for: 604- Supplying Air Under Pressure in Contact With Milk, Milk


51-01 Plug-Type Valves for Milk and Milk Products Title: 3-A® Sanitary Standards for Plug-Type Valves for Milk and Milk




Scope: A1 These standards cover the sanitary aspects of plug type valves used on processing equipment and on equipment and lines which hold or convey milk or milk products. These standards do not pertain to thermoplastic plug-type valves which are covered by current 3 A Sanitary Standards for Plastic Plug Type Valves for Milk and Milk Products, Number 52 .

A2 In order to conform to these 3 A Sanitary Standards, plug type

valves shall comply with the following in design, material and fabrication criteria and the applicable documents referenced herein



20- Multiple-Use Plastic Materials 63- Sanitary Fittings 52- Plastic Plug-Type Valves for Milk and Milk Products

52-02 Plastic Plug-Type Valves for Milk and Milk Products Title: 3-A® Sanitary Standards for Plastic Plug-Type Valves for Milk and Milk



Scope: A1 These standards cover the sanitary aspects of plastic plug-type valves used on processing equipment for milk or milk products and on equipment and pipelines which hold or convey milk or milk products.

A2 In order to conform with these 3 A Sanitary Standards, plastic

plug-type valves shall comply with the following design, material, and fabrication criteria and the applicable documents referenced herein





53-06 Compression-Type Valves Title: 3-A® Sanitary Standards for Compression-Type Valves, Number 53-06

Date: Effective: May 22, 2009

Scope: A1 These standards cover the sanitary aspects of compression-type

valves (reference 3-A drawings, number 3-A-100-24 and 3-A-100-25) used on processing equipment and on equipment and lines which hold or convey milk or milk products.

A2 In order to conform to these 3-A Sanitary Standards, compression-

type valves shall comply with the following in design, material and fabrication criteria and the applicable documents referenced herein



20- Multiple-Use Plastic Materials 33- Polished Metal Tubing for Milk and Milk Products

54-02 Diaphragm-Type Valves for Milk and Milk Products Title: 3-A® Sanitary Standards for Diaphragm-Type Valves for Milk and Milk



Scope: A1 These standards cover the sanitary aspects of diaphragm-type valves (reference drawing, number 3-A 54-01-01) used on processing equipment and on equipment and lines which hold or convey milk or milk products. The valve shall consist of a bonnet assembly (hand-wheel or power [air] operated), a diaphragm, and a suitable body.

A2 In order to conform to these 3-A Sanitary Standards, diaphragm-

type valves shall comply with the following design, material, and fabrication criteria and the applicable documents referenced herein



Contact Surfaces in Dairy Equipment 20- Multiple-Use Plastic Materials 33- Polished Metal Tubing for Dairy Products

55-02 Boot Seal Type Valves Title: 3-A® Sanitary Standard for Boot Seal Type Valves, Number 55-02


Scope: A1 This 3-A Sanitary Standard covers the sanitary aspects of boot seal

type valves used as components on processing equipment and pipelines that hold or convey milk, milk products, and other food products. The valve assembly includes an actuator moving a piston rod, a boot seal attached to the piston rod and supported by it, and a valve housing or body enclosing the boot seal and providing entry and exit points for the product. Product enters the boot seal type valve at the inlet connection and exits at the outlet connection.

A2 In order to conform to this 3-A Sanitary Standard, Boot Seal Type

Valves shall conform to the following criteria for design, materials of construction, fabrication techniques and installation, as appropriate, and the current revisions or editions of all referenced documents cited herein.


18- Multiple-Use Rubber and Rubber-Like Materials 20- Multiple-Use Plastic Materials 33- Metal Tubing 63- Sanitary Fittings


1. AIST Steel Products Manual, Stainless & Heat Resisting Steels, Table 2-1. Association for Iron & Steel Technology (AIST), 410 Commonwealth Drive, Warrendale, PA 15086, Phone: (412) 776-1535.

2. Steel Casting Handbook, Supplement 2, 1999, available from Steel Founders Society of America, 780 McArdle Dr., Unit G, Crystal Lake, IL 60014, Phone: (815) 455-8240, Fax: (815) 455-8241, Internet: www.sfsa.org

3. ASTM specifications for Cast Grades A351/A351M and



A744/A744M. Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, Phone: (610) 832-9500.


666. Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, Phone: (610) 832-9500.

5. (ANSI)/American Society of Mechanical Engineers (ASME) B46.1 - Surface Texture Waviness and Lay. Available from the American Society of Mechanical Engineers, 345 East 47th Street, New York, NY 10017-2392, Phone: (212) 705-7722.


rings, published by SAE, 400 Commonwealth Drive, Warrendale, PA 15086, Phone: (724) 776-4841.

7. ISO 3601-1:2002 Fluid Power Systems, Sealing Devices – O-Rings – Part I: Inside diameters, cross-sections, tolerances, and size identification code., The International Organization for Standardization (ISO), 1 Rue de Varembe, Case Postale 58, CH 1 1211, Geneva, Switzerland, Phone: +41-22-734-1240.

8. AWS/ANSI D18.1 – Specification for Welding of Austenitic Stainless Steel Tube and Pipe Systems in Sanitary (Hygienic) Applications and AWS D18.2 – Guide to Weld Discoloration Levels on Inside of Austenitic Stainless Steel Tube (ANSI Approved) Published by American Welding Society, 550 N.W. LeJeune Rd., Miami FL, Phone: (800) 443-3953, www.aws.org



10. EHEDG Doc. 35 – Welding of Stainless Steel Tubing in the Food Industry, European Hygienic Engineering & Design Group. Published by EHEDG, www.ehedg.org

11. The Code of Federal Regulations (CFR), Title 21, Parts 175 – Indirect Food Additives: Adhesives and Components of Coatings. For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402, Phone: (202) 512-1800 or at http://www.gpoaccess.gov/cfr/index.html.

12. The Code of Federal Regulations (CFR), Title 29, Part 1910.147 - The Control of Hazardous Energy. For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, DC


http://www.aws.org/




20402, Phone: (202) 512-1800 or at http://www.gpoaccess.gov/cfr/index.html.

13. The Code of Federal Regulations (CFR), Title 21, Part 177 Indirect Food Additives: Polymers. For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402, Phone: (202) 512-1800 or at http://www.gpoaccess.gov/cfr/index.html.

14. GAR C-9 Cast Microfinish Comparator. Available from Gar Electroforming Division, Electroformers Inc., 11 Augusta Drive, Commerce Park, PO Box 340, Danbury, CT 06813-0340, Phone: (203) 744-4300.

15. EHEDG Doc. 2 – A Method for Assessing the In-Place Cleanability of Food Processing Equipment, European Hygienic Engineering & Design Group. Published by EHEDG, www.ehedg.org


Indirect Food Additives: Adhesives and Components of Coatings. For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402, Phone: (202) 512-1800 or at http://www.gpoaccess.gov/cfr/index.html .

56-00 Inlet and Outlet Leak-Protector Plug-Type Valves for Milk and Milk Products Title: 3-A® Sanitary Standards for Inlet and Outlet Leak-Protector Plug-Type

Valves for Milk and Milk Products, Number 56-00

Date: Effective May 22, 1993

Scope: A1 These standards cover the sanitary aspects of inlet and outlet leak-protector plug valves for batch pasteurizers, hereinafter called valves, (reference 3-A drawings, numbers 3-A-100 E-1, 3-A-100 E-2, 3-A-100 E-3, 3-A-100 E-4, 3-A-100 E-5, 3-A-100 E-6, 3-A-100 E-7, and 3-A-100 E-8.)

A2 In order to conform to these 3-A Sanitary Standards, inlet and

outlet leak-protector plug valves shall comply with the following design, material and fabrication criteria.









57-02 Disc-Type Valves Title: 3-A® Sanitary Standards for Disc-Type Valves, Number 57-02

Date: Effective: May 1, 2008

Scope: A1 These standards cover the sanitary aspects of disc-type valves

having a one- or two-piece body and disc with the disc rotating between the closed and open positions, as used on tanks or vessels that hold the product or solutions and as installed in product and solution pipelines. The stem that rotates the disc does not penetrate the seal face or seal seat insert of the valve. The disc-type valve begins at the product inlet connection and ends at the product outlet connection. These Standards do not include butterfly-type valves which may use two- or three-piece bodies and gaskets as sandwich seals and seal faces in combination with a disc and in which the stem penetrates the elastomer seal.

A2 In order to conform to this 3-A Sanitary Standard, disc-type valves

shall conform to the following design, material, and fabrication criteria, and applicable documents referenced herein.


18- Multiple-Use Rubber and Rubber-Like Materials 20- Multiple-Use Plastic Materials 33- Polished Metal Tubing 63- Sanitary Fittings


1. AMS-S-13165, Shot Peening of Metal Parts. Society of Automotive Engineers (AWS), 400 Commonwealth Dr., Warrendale, PA 15096-0001.

2. AISI Steel Products Manual, Stainless & Heat Resisting Steels, Table 2-1. Available from the American Iron and Steel Society, 410 Commonwealth Drive, Warrendale, PA 15086 (412-776-1535).

3. Steel Founders Society of America, 780 McArdle Dr. Unit G,

Crystal Lake, IL 60014, Phone: (815) 455-8240, Fax: (815)


455-8241, Internet: www.sfa.org.

4. The Code of Federal Regulations (CFR), Title 21, Parts 175 – Indirect Food Additives: Adhesives and Components of Coatings. For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402. Phone: (202) 512-1800.


B46.1 – Surface Texture. Available from ASME, 345 East 47th Street, New York, NY 10017-2392 (212) 705-7722.

6. Machinery’s Handbook, published by Industrial Press Inc., 200 Madison Avenue, New York, NY 10157, Phone: 888-528-7852.



8. EHEDG Doc. 9 – Welding Stainless Steel to Meet Hygienic Requirements. European Hygienic Engineering & Design Group. Published by EHEDG, www.ehedg.org.


rings, published by SAE, 400 Commonwealth Drive, Warrendale, PA 15086, Phone: (412) 776-4970.

10. ISO 3601-1: The International Organization for Standardization (ISO), 1 Rue de Varembe, Case Postale 58, CH 1 1211, Geneva, Switzerland, Phone: +41-22-734-1240.

11. ASTM, 100 Barr Harbor Drive, West Conshohocken, PA

19428-2959 (610) 832-9500.

58-01 Vacuum Breakers and Check Valves for Milk and Milk Products Title: 3-A® Sanitary Standards for Vacuum Breakers and Check Valves for Milk

and Milk Products, Number 58-01


http://www.sfa.org/

http://www.aws.org/



Scope: A1 These standards cover the sanitary aspects of vacuum breakers and check valves used on processing equipment and on equipment and lines which hold or convey milk or milk products. See Appendix, Section H for drawings numbered 3-A-100M-1, 3-A-100M-2, 3-A-100M-3, 3-A-100M-4 and 3-A-100M-5.

A2 In order to conform to these 3-A Sanitary Standards, vacuum

breakers and check valves shall comply with the following design, material and fabrication criteria.



20- Multiple-Use Plastic Materials 63- Sanitary Fittings 33- Polished Metal Tubing for Milk and Milk Products 3-A Accepted Practices for: 605- Permanently Installed Product and Solution Pipelines and Cleaning Systems Used in Milk and Milk Product Processing Plants

59-00 Automatic Positive Displacement Samplers for Fluid Milk and Fluid Milk Products Title: 3-A® Sanitary Standards for Automatic Positive Displacement Samplers

for Fluid Milk and Fluid Milk Products, Number 59-00


Scope: A1 These standards cover the sanitary aspects of air operated or electrically operated automatic positive displacement samplers (reference revised 3-A drawings, numbers 3-A-100D-1, 3-A-100D-2, 3-A-100D-3, 3-A100D 1. 3-A-100D-5 and 3-A-100D-6) used on processing equipment and on equipment and lines which hold or convey fluid milk or fluid milk products. The sampler assembly may consist of a body, plunger, head, O-rings, seals, cylinder valves, diaphragm, springs and an air or electrically operated mechanism. It shall also include a closure plug or sample discharge port closure suitable for sealing the sample discharge opening when the sampler is not in use. These standards shall not cover automatic positive displacement samples used in aseptic or ultra


pasteurization systems A2 In order to conform to these 3-A Standards, air operated or

electrically operated positive displacement samplers shall comply with the following in design, material and fabrication.




60-00 Milk and Milk Products Rupture Discs Title: 3-A® Sanitary Standards for Milk and Milk Products Rupture Discs,

Number 60-00


Scope: A1 These standards cover the sanitary aspects of rupture discs (reference drawing Number 3-A-100-43) used on processing equipment and on equipment and lines which hold or convey milk or milk products. The rupture disc assembly shall consist of a disc holder, top section (if used), seal, a girdle and means for rupturing the seal.

A2 In order to conform to these 3-A Standards, rupture discs shall

comply with the following in design, material and fabrication


Contact Surfaces in Dairy Equipment 20- Multiple-Use Plastic Materials 01- Storage Tanks 22- Silo-Type Storage Tanks for Milk and Milk Products

61-01 Steam Injection Heaters for Milk and Milk Products Title: 3-A® Sanitary Standards for Steam Injection Heaters for Milk and Milk



Date: Effective: September 11, 2006

Scope: A1 These standards cover the sanitary aspects of steam injection heaters used to heat milk or milk products when the heater is on processing equipment or in the pipelines conveying milk or milk products.

A2 In order to conform to these 3 A Sanitary Standards, steam

injection heaters shall comply with the following design, material, and fabrication criteria.



20- Multiple-Use Plastic Materials 63- Sanitary Fittings 3-A Accepted Practice for: 609- A Method of Producing Culinary Steam

62-02 Hose Assemblies for Milk and Milk Products Title: 3-A® Sanitary Standards for Hose Assemblies for Milk and Milk



Scope: A1 This 3-A Sanitary Standard covers the sanitary aspects of hose assemblies consisting of sanitary couplings permanently attached to one or both ends of multiple-use smooth-bore hoses in a manner such that the resultant hose-to-coupling junction is CIPable. The hose assemblies are intended for the conveying of milk, milk products, or other comestibles. The hose assemblies covered by this standard are of three basic types as defined in C5.1.1, C5.1.2 and C5.1.3, and the components described therein are to be assembled only by their manufacturer, or by an authorized fabricator/distributor. Also see Appendix F1.

A2 This 3-A Sanitary Standard does not cover the following types of

hose assemblies: Also see Appendix F2 and F3. A2.1 Hose assemblies which utilize band, strap, or worm-gear type

clamps or manually tightened fitting devices customarily used to secure removable fittings and which are not designed for CIP


cleaning. A2.2 Hose assemblies with a convoluted or a corrugated inner surface.

Also see Appendix F4. A2.3 Hose assemblies with exposed metal overbraid exterior surfaces.

Also see E2.1 and Appendix F5. A2.4 Hose assemblies with a hose ID of less than 0.75 in. (19.05 mm).


Contact Surfaces in Dairy Equipment 20- Multiple-Use Plastic Materials 33- Polished Metal Tubing for Milk and Milk Products 63- Sanitary Fittings


1. SAE-AMS-QQ-C-320, Chromium Plating (Electrodeposited). SAE-AMS QQ-N- 290A, Nickel Plating (Electrodeposited). Society of Automotive Engineers (AWS), 400 Commonwealth Dr., Warrendale, PA 15096-0001.

2. AIST Steel Products Manual, Stainless & Heat Resisting Steels,

Table 2-1. Association for Iron & Steel Technology (AIST), 410 Commonwealth Drive, Warrendale, PA 15086, Phone: (412) 776-1535. www.AIST.org

3. Steel Casting Handbook, Supplement 2, 1999, Steel Founders

Society of America, 780 McArdle Dr., Unit G, Crystal Lake, IL 60014, Phone: (815) 455-8240, Fax: (815) 455- 8241, Internet: www.sfsa.org


Stainless Steel Tube and Pipe Systems in Sanitary (Hygienic) Applications. Published by American Welding Society, 550 N.W. LeJeune Rd., Miami FL, Phone: (800) 443-3953, www.aws.org









http://www.aws.org/



666. Available fromASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, Phone: (610)832-9500. www.astm.org/standard/index.shtml

63-03 Sanitary Fittings Title: 3-A® Sanitary Standards for Sanitary Fittings, Number 63-03


Scope: A1 These standards cover the sanitary aspects of fittings and gaskets

for fittings used on processing equipment and pipelines which hold or convey milk, milk products, or other comestibles. These standards cover the product contact surfaces of disassemblable joints on sanitary fittings.

A1.1 Standards for fabricated hose assemblies are found in 3-A Sanitary

Standards for Hose Assemblies for Milk and Milk Products, Number 62-.

A2 These standards do not cover: A2.1 Fittings, such as recessed ferrules, which are attached to a pipeline

or equipment by means of soldering. A2.2 Recessless or rolled on fittings, except as allowed in Section

D2.1.1. A3 In order to conform to these 3-A Sanitary Standards for Sanitary

Fittings, fittings shall conform to the following design, material, and fabrication criteria, and the applicable documents referenced herein.



20- Multiple-Use Plastic Materials 62- Hose Assemblies for Milk and Milk Products 3-A Accepted Practice for: 606- Design, Fabrication, and Installation of Milking and Milk Handling

Equipment


64-00 Pressure Reducing and Back Pressure Regulating Valves for Milk and Milk Products Title: 3-A® Sanitary Standards for Pressure Reducing and Back Pressure

Regulating Valves for Milk and Milk Products, Number 64-00

Date: Reaffirmed November 15, 1998

Scope: A1 These standards cover the sanitary aspects of pressure reducing and back pressure regulating valves used on processing equipment and on equipment and lines which hold or convey milk or milk products.

A2 In order to conform to these 3-A Sanitary Standards, pressure

reducing and back pressure regulating valves shall comply with the following design, material and fabrication criteria.




65-01 Sight and/or Light Windows and Sight Indicators in Contact with Product Title: 3-A® Sanitary Standard for Sight and/or Light Windows and Sight

Indicators in Contact with Product Number 65-01

Date: Effective: June 12, 2008

Scope: A1 These standards cover the sanitary aspects of sight and/or light windows, sight and/or light window flushing systems when provided, and sight indicators, and begin and end at the fitting connections to the pipeline or equipment or at the flange welded to the pipeline or equipment. The flushing system begins at the shut off valve and ends at the delivery nozzle or pipe or tube. These standards do not cover external direct-reading gauges for tanks.

A2 In order to conform to these 3 A Sanitary Standards, sight and/or

light windows, flushing systems when provided, and sight indicators shall conform to the following in design, material and


fabrication criteria.

References: 3-A Sanitary Standard for: 18- Multiple-Use Rubber and Rubber-Like Materials 20- Multiple-Use Plastic Materials 33- Polished Metal Tubing 58- Vacuum Breakers and Check Valves 63- Sanitary Fittings 3-A Accepted Practice for: 604- Supplying Air Under Pressure in Contact with Product, and

Product Contact Surfaces 605- Permanently Installed Product and Solution Pipelines and Cleaning

Systems 609- Method of Producing Steam of Culinary Quality


1. National Primary Drinking Water Regulation of the Environmental Protection Agency (EPA), The Code of Federal Regulations (CFR), Title 40, Parts 141, 142, and 143. For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402. Phone: (202) 512-1800.


Table 2-1, American Iron and Steel Society, 410 Commonwealth Drive, Warrendale, PA 15086. Phone: (412) 776-1535.


Crystal Lake, IL 60014,Phone:(815)455-8240 Fax:(815)455-8241, Internet: www.sfsa.org


and A744/A744M. Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959. Phone: (610) 832-9500.

5. American Society of Mechanical Engineers, 345 East 47th Street,

New York, NY 10017-2392. Phone: (212) 705-7722.

6. Grade “A” Pasteurized Milk Ordinance http://www.cfsan.fda.gov/-ear/pmoO3toc.html.





http://www.cfsan.fda.gov/-ear/pmoO3toc.html

http://www.cfsan.fda.gov/-ear/pmoO3toc.html

http://www.aws.org/

8. ASTM specifications for Wrought Grades A-276, A-582, and A-666. Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, Phone: (610) 832-9500.

68-00 Ball-Type Valves for Milk and Milk Products Title: 3-A® Sanitary Standards for Ball-Type Valves for Milk and Milk



Scope: A1 These standards cover the sanitary aspects of ball-type valves used on processing equipment and on equipment and lines which hold or convey milk or milk products.

A2 In order to conform with these 3 A Sanitary Standards, ball-type

valves shall comply with the following design, material, and fabrication criteria.




70-01 Italian-Type Pasta Filata Style Cheese Cookers Title: 3-A® Sanitary Standards for Italian-Type Pasta Filata Style Cheese

Cookers, Number 70-01


Scope: A1 The equipment covered by these standards may include unitized sections that act as receiving reservoirs, pre-heat or cooking sections (direct or indirect), integral heating media systems, stretcher sections, discharge reservoir and discharge ports. The cheese equipment shall begin at the point where cheese curd is introduced and shall terminate at the point where cooked and stretched cheese is discharged. With regard to the use of steam, hot water, or other forms of heating media, the equipment shall begin and end at the manufacturer's supplied fittings. (Cheese


dicers, mills, cyclones or similar appurtenances attached to the receiving reservoir are not covered by these standards.)

A2 In order to conform to these 3 A Sanitary Standards, Italian-type

pasta filata style cheese cookers shall conform to the following design, material, and fabrication criteria


18- Multiple-Use Rubber and Rubber-Like Materials Used as Product Contact

20- Multiple-Use Plastic Materials 33- Polished Metal Tubing for Milk and Milk Products 63- Sanitary Fittings 74- Sensors and Sensor Fittings and Connections 02- Centrifugal and Positive Rotary Pumps 12- Tubular Heat Exchangers 11- Plate Type Heat Exchangers 61- Steam Injection Heaters for Milk and Milk Products 58- Vacuum Breakers and Check Valves for Milk and Milk Products 51- Plug-Type Valves for Milk and Milk Products 53- Compression-Type Valves 3-A Accepted Practice for: 609- A Method of Producing Culinary Steam 3-A Sanitary Standards referenced which have been discontinued 55- Boot Seal-Type Valves for Milk and Milk Products

71-01 Italian-Type Pasta Filata Style Cheese Moulders . Title: 3-A® Sanitary Standards for Italian-Type Pasta Filata Style Cheese

Moulders, Number 71-01


Scope: A1 These standards cover the sanitary aspects of Italian-type pasta filata style cheese moulders, including but not limited to mozzarella, string and provolone cheeses. The equipment shall begin at the point where the cooked and stretched cheese is introduced and shall terminate at the point where the cheese is discharged into transfer moulds, discharged from integral moulds, or discharged through an extruder. The equipment may include individual or combined equipment sections that act as receiving-transition units, salt application devices, receiving reservoirs,


integral moulds or extruder pieces. These standards also cover Italian cheese moulders which cool moulded cheese by indirect methods.

A2 In order to conform to these 3 A Sanitary Standards, Italian-type

pasta filata style cheese moulders shall conform to the following design, material, and fabrication criteria



20- Multiple-Use Plastic Materials 33- Polished Metal Tubing for Milk and Milk Products 63- Sanitary Fittings 74- Sensors and Sensor Fittings and Connections 58- Vacuum Breakers and Check Valves for Milk and Milk Products 51- Plug-Type Valves for Milk and Milk Products 53- Compression-Type Valves 3-A Sanitary Standards referenced which have been discontinued 55- Boot Seal-Type Valves for Milk and Milk Products

72-01 Italian-Type Pasta Filata Style Moulded Cheese Chillers Title: 3-A® Sanitary Standards for Italian-Type Pasta Filata Style Moulded

Cheese Chillers, Number 72-01


Scope: A1 These standards cover the sanitary aspects of Italian-type pasta filata style moulded cheese chillers including but not limited to mozzarella and provolone cheese. The equipment described in these standards is used to cool the moulded cheese. The equipment shall begin at the point where the warm moulded cheese enters, and terminates where the formed-chilled cheese exits the mould. The equipment may include individual or combined components such as cheese moulds, conveyors, direct cooling media systems, and cheese demoulding apparatus. These standards include methods for direct cooling of the cheese and may include one or more of the following uses of the cheese cooling media: immersion, spray, cascade, circulation or recirculation. With regard to the use of steam, water, or cooling media, the equipment


shall begin and end at the manufacturer's supplied fittings. A2 In order to conform to these 3 A Sanitary Standards, Italian-type

pasta filata style moulded cheese chillers shall conform to the following design, material, and fabrication criteria.



20- Multiple-Use Plastic Materials 33- Polished Metal Tubing for Milk and Milk Products 63- Sanitary Fittings 74- Sensors and Sensor Fittings and Connections 02- Centrifugal and Positive Rotary Pumps 12- Tubular Heat Exchangers 11- Plate Type Heat Exchangers 58- Vacuum Breakers and Check Valves for Milk and Milk Products 51- Plug-Type Valves for Milk and Milk Products 53- Compression-Type Valves 65- Sight and/or Light Windows and Sight Indicators in Contact with

Product 62- Hose Assemblies for Milk and Milk Products 3-A Accepted Practices for: 605- Permanently Installed Product and Solution Pipelines and Cleaning


73-01 Shear Mixers, Mixers, and Agitators Title: 3-A® Sanitary Standards for Shear Mixers, Mixers, and Agitators,

Number 73-01

Date: Effective: October 27, 2005

Scope: A1 These standards cover the sanitary aspects of agitators, mixers and shear mixers used for combining and/or mixing, either liquids or liquids with solid products. Specifically included are batch mixers immersed into the product. Shear mixers, mixers, and agitators may be of the top, side or bottom entry types. These standards do not include the vessel in which the agitator, mixer or shear mixer is


used. A2 In order to conform to these 3 A Sanitary Standards, shear mixers,

mixers, and agitators shall conform to the following design, material, and fabrication criteria.




74-05 Sensors and Sensor Fittings and Connections Title: 3-A® Sanitary Standards for Sensors and Sensor Fittings and Connections,

Number 74-05


Scope: A1 This 3-A Sanitary Standard applies to the sanitary aspects of sensors and sensor fittings and connections for equipment which contains or processes milk and milk products and on pipelines which convey milk and milk products and to sensors and sensor fittings and connections within recirculation cleaning systems.

A2 To conform to this 3-A Sanitary Standard, sensors and sensor

fittings and connections shall conform to the following criteria for design, materials of construction, fabrication techniques and the current revisions or editions of all referenced documents cited herein and, in the case of field-installed adaptors or spuds and their associated sensors, installation criteria.


63- Sanitary Fittings 18- Multiple-Use Rubber and Rubber-Like Materials Used as Product

Contact 20- Multiple-Use Plastic Materials 33- Metal Tubing


1. The Code of Federal Regulations (CFR), Title 21, Part 110.3 (o) Current good manufacturing practice in manufacturing, packaging, or holding human food, definitions. (FDA’s definition of sanitize from the GMP regs). The Code of Federal Regulations (CFR), Title 40, Part 152.500 Pesticide registration and classification procedures, requirements for devices. The Code of Federal


Regulations (CFR), Title 40, Part 161.640 Data requirements for registration, product performance data. The Code of Federal Regulations (CFR), Title 40, Part 180.940 Tolerances and exemptions from tolerances for pesticide chemicals in food, tolerance exemptions for active and inert ingredients for use in antimicrobial formulations (food-contact surface sanitizing solutions). For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402, Phone: (202) 512-1800 or at http://www.gpoaccess.gov/cfr/index.html .


Coating Practices” by H. Herman, “Surface Modification” by F. A. Smidt. ASM International, Materials Park, OH 44073, Phone: (216) 338-5151, Internet http://asminternational.org

3. SAE AMS 2406, Chromium Plating (Electrodeposited). SAE-AMS QQ-N-290A, Nickel Plating (Electrodeposited). SAE International, 400 Commonwealth Dr., Warrendale, PA 15096-0001, Internet: http://www.sae.org

4. AIST Stainless Steels: A Steel Products Manual, Association for Iron & Steel Technology, 186 Thorn Hill Road, Warrendale, PA 15086, Phone: (724) 814 3000, Internet: www.aist.org



6. The Code of Federal Regulations (CFR), Title 21, Parts 175 – Indirect Food Additives: Adhesives and Components of Coatings. For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402, Phone: (202) 512-1800, Internet: http://www.gpoaccess.gov/cfr/index.html

7. Machinery’s Handbook, published by Industrial Press Inc., 200


8. EHEDG Guideline 2, A Method for Assessing the In-Place Cleanability of Food Processing Equipment. European Hygienic Engineering & Design Group. Published by EHEDG, www.ehedg.org

9. Aerospace Standard (AS) 568, Aerospace Size Standards for O-rings, published by SAE, 400 Commonwealth Drive, Warrendale, PA 15086, Phone: (724)-776-4841, Internet: http://www.sae.org




http://www.sae.org/






http://www.sae.org/


Rings – Part 1: Inside diameters, cross-sections, tolerances and size identification code, The International Organization for Standardization (ISO), 1 ch. de la Voie-Creuse, Postale 56, CH -1211, Geneva 20, Switzerland, Phone: +41-22-749-01-11, Internet: www.iso.org

11. ASTM Specifications for Cast Grades A351/A351M, A743/A743M and A744/A744M. Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, Phone: (610) 832-9500 or at http://www.astm.org

12. ASTM A959, Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels, Standard Guide for, Available from ASTM 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, Phone: (610) 832 9500, Internet: www.astm.org

75-01 Belt-Type Feeders Title: 3-A® Sanitary Standards for Belt-Type Feeders, Number 75-01

Date: Effective June 4, 2012

Scope: A1 This 3-A Sanitary Standard applies to the sanitary aspects of belt-

type feeders used to convey products at a controlled rate. Product enters the feeder at the inlet hopper/chute and exits at the head pulley or enclosure discharge opening.

A2 To conform to this 3-A Sanitary Standard, belt-type feeders shall

comply with the following design, material, and fabrication criteria and the current revisions of applicable documents cited herein.


18- Multiple-Use Rubber and Rubber-Like Materials 20- Multiple-Use Plastic Materials 33- Metal Tubing 50- Level Sensing Devices for Dry Products 63- Sanitary Fittings 74- Sensors and Sensor Fittings and Connections Used on Equipment 88- Machine Leveling Feet and Supports


1. SAE AMS 2406, Chromium Plating (Electrodeposited). SAE-AMS QQ-N-290A, Nickel Plating (Electrodeposited). SAE International,


http://www.iso.org/

http://www.astm.org/



2. (American Society of Mechanical Engineers (ASME) B46.1 -

Surface Texture Waviness and Lay. Available from the American Society of Mechanical Engineers, Three Park Ave., New York, NY 10016-5990, Phone: (212) 705-7722 or at http://www.asme.org








7. MIL-C-26074E. Military Specification: Coatings, Electroless Nickel Requirements For. Standardization, Document Automation & Production Service (Department of Navy), 700 Robbins Avenue, Building 4, Section D, Philadelphia, PA 19111-5094, Phone: (215) 697-2179, Fax: (215) 697-1462.


Indirect Food Additives: Adhesives and Components of Coatings. For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402, Phone: (202) 512-1800, Internet: http://www.gpoaccess.gov/cfr/index.html

9. Machinery’s Handbook, published by Industrial Press Inc., 200


10. EHEDG Guideline 2, A Method for Assessing the In-Place Cleanability of Food Processing Equipment. European Hygienic Engineering & Design Group. Published by EHEDG, www.ehedg.org


http://www.sae.org/



http://www.sae.org/








12. EHEDG Doc. 9 – Welding Stainless Steel to Meet Hygienic Requirements. European Hygienic Engineering & Design Group. Published by EHEDG, www.ehedg.org.


14. ISO 3601-1:2002: Fluid Power Systems, Sealing Devices – O-Rings – Part 1: Inside diameters, cross-sections, tolerances and size identification code, The International Organization for Standardization (ISO), 1 ch. de la Voie-Creuse, Postale 56, CH -1211, Geneva 20, Switzerland, Phone: +41-22-749-01-11, Internet: www.iso.org

15. ASTM Specifications for Cast Grades A351/A351M, A743/A743M and A744/A744M. Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, Phone: (610) 832-9500 or at http://www.astm.org

78-01 Spray Cleaning Devices Intended to Remain in Place . Title: 3-A® Sanitary Standards for Spray Cleaning Devices Intended to Remain

in Place, Number 78-01


Scope: A1 These standards cover the sanitary aspects of spray cleaning devices attached to stainless steel solution supply tubes intended to remain in place during processing operations and used on storage and processing equipment and machinery for milk, milk products, or other comestibles. These standards do not cover spray cleaning devices which are removed prior to processing operations.

A2 In order to conform to these 3-A Sanitary Standards, spray

cleaning devices shall conform to the following design, material,


http://www.aws.org/


http://www.sae.org/

http://www.iso.org/


and fabrication criteria and the applicable documents referenced herein.


63- Sanitary Fittings 18- Multiple-Use Rubber and Rubber-Like Materials Used as Product

Contact 20- Multiple-Use Plastic Materials 3-A Accepted Practice for: 604- Supplying Air Under Pressure in Contact With Milk, Milk


81-00 Auger-Type Feeders Title: 3-A® Sanitary Standards for Auger-Type Feeders, Number 81-00


Scope: A1 These standards cover the sanitary aspects of auger-type feeders

used to convey, at a controlled rate, dry milk, dry milk products and dry milk products and associated ingredients. Product enters the auger-type feeder hopper and exits at the auger output via a discharge tube assembly.

A2 In order to conform to these 3-A Sanitary Standards, auger-type

feeders shall comply with the following design, material, and fabrication criteria and the applicable documents referenced herein .



20- Multiple-Use Plastic Materials 33- Polished Metal Tubing for Milk and Milk Products 46- Refractometers and Energy Absorbing Optical Sensors for Milk

and Milk Products 50- Level Sensing Devices for Dry Products 74- Sensors and Sensor Fittings and Connections 65- Sight and/or Light Windows and Sight Indicators in Contact with

Product 63- Sanitary Fittings


82-00 Pulsation Dampening Devices Title: 3-A® Sanitary Standards for Pulsation Dampening Devices, Number 82-

00


Scope: A1 These standards cover the sanitary requirements for pulsation dampening devices used in hygienic and aseptic processing systems for fluid dairy products and other fluid comestibles.

A2 In order to conform to these 3-A Sanitary Standards, pulsation

dampening devices shall comply with the following design, material, and fabrication criteria and the applicable documents referenced herein.



20- Multiple-Use Plastic Materials 33- Polished Metal Tubing for Milk and Milk Products 74- Sensors and Sensor Fittings and Connections 63- Sanitary Fittings

83-00 Enclosed Cheese Vats and Tables Title: 3-A® Sanitary Standards for Enclosed Cheese Vats and Tables, Number

83-00


Scope: A1 These standards cover the sanitary aspects of enclosed cheese vats and tables used in the batch production of cheese curd and open vats that are covered during mechanical cleaning. This standard does not include equipment with capabilities for pressing of curd.

A2 In order to conform to these 3-A Sanitary Standards, enclosed

cheese vats and tables shall conform to the following design, material and fabrication criteria.




20- Multiple-Use Plastic Materials 33- Polished Metal Tubing for Milk and Milk Products 51- Plug-Type Valves for Milk and Milk Products 52- Plastic Plug-Type Valves for Milk and Milk Products 53- Compression-Type Valves 65- Sight and/or Light Windows and Sight Indicators in Contact with

Product 62- Hose Assemblies for Milk and Milk Products 63- Sanitary Fittings 74- Sensors and Sensor Fittings and Connections 78- Spray Cleaning Devices Intended to Remain in Place 73- Shear Mixers, Mixers, and Agitators 3-A Accepted Practices for: 605- Permanently Installed Product and Solution Pipelines and Cleaning


84-02 Personnel Access Ports for Wet Applications Title: 3-A® Sanitary Standards for Personnel Access Ports for Wet Applications,

Number 84-02

Date: Effective: June 1, 2007

Scope: A1 These standards cover the sanitary aspects of atmospheric or pressure-type personnel access ports and associated covers for wet applications. They may include the mounting flanges, hinges, covers, dust covers and may be of the inside swing, outside swing, sliding, or removable types. These standards do not include installation criteria.

A2 In order to conform to these 3 A Sanitary Standards personnel

access ports shall conform to the following in design, material and fabrication criteria.


18- Multiple-Use Rubber and Rubber-Like Materials 20- Multiple-Use Plastic Materials 33- Polished Metal Tubing 55- Boot Seal-Type Valves 59- Automatic Positive Displacement Samplers for Fluid Products 63- Sanitary Fittings 65- Sight and/or Light Windows and Sight Indicators in Contact with

Product


74- Sensors and Sensor Fittings and Connections 78- Spray Devices to Remain in Place 605- Permanently Installed Product and Solution Pipelines and Cleaning

Systems

85-02 Double-Seat Mixproof Valves Title: 3 A® Sanitary Standards for Double-Seat Mixproof Valves, Number 85-

02

Date: Adopted: March 17, 2011

Scope: A1 These standards cover the sanitary aspects of double-seat mixproof valves used on processing equipment and on equipment and lines which hold or convey milk, milk products, and other comestibles.

A2 These valves cannot be used to separate raw milk and milk

products from pasteurized milk, milk products, and other comestibles.

A3 In order to conform to these 3-A Sanitary Standards, double-seat

mixproof valves shall conform to the following in design, material and fabrication criteria and the applicable documents referenced herein.


63- Sanitary Fittings 33- Polished Metal Tubing 18- Multiple-Use Rubber and Rubber-Like Materials 20- Multiple-Use Plastic Materials

87-00 Mechanical Strainers Title: 3-A® Sanitary Standards for Mechanical Strainers, Number 87-00


Scope: Al This 3-A Sanitary Standard covers the sanitary aspects of

mechanical strainers used for processing a mixture of liquid milk, milk products, and other liquid comestibles containing particulates. The equipment receives the product into a chamber (i.e., housing)


which contains the components used for mechanically separating the product into two or more streams. The equipment shall start at the point where the product in-feed piping is connected to the mechanical strainer and ends at the points where the streams exit the mechanical strainer.

A2 This standard does not apply to vibratory screeners, belt-type

screeners, centrifugal separators or decanters. A3 In order to conform to these 3-A Sanitary Standards, mechanical

straining equipment shall comply with the following design, material, and fabrication criteria.


18- Multiple-Use Rubber and Rubber-Like Materials 20- Multiple-Use Plastic Materials 33- Polished Metal Tubing 63- Sanitary Fittings 65- Sight and/or Light Windows and Sight Indicators 74- Sensors and Sensor Fittings and Connections 78- Spray Devices to Remain in Place

88-00 Machine Leveling Feet and Supports Title: 3-A® Sanitary Standard for Machine Leveling Feet and Supports, Number

88-00

Date: Effective: December 1, 2006

Scope: A1 This standard covers the sanitary aspects of machine leveling feet and supports used on equipment in a wet processing area of dairy, food and other comestible products plants, including dry processing areas cleaned with water. These feet or supports attach to the equipment and support the equipment from the floor. The feet or supports begin at the point where the feet or supports attach to the leg(s) or the body of the equipment and end at the support point on the floor. This standard does not include supports that attach to a wall or ceiling.

These feet and supports are not product contact surfaces but have a hygienic significance because they may become a harborage of soil and create a source of secondary contamination to the products.

This standard does not cover Casters.


This standard does not cover mounting to a Slab or Island. A2 In order to conform to this 3-A Sanitary Standard, machine

leveling feet or supports shall conform to the following criteria for design, material of construction, fabrication techniques and installation, as appropriate, and the current revisions or editions of all referenced documents cited herein.

References: B NORMATIVE REFERENCES

Ref. No. Title 1. Advanced Materials and Processes, Volume 137(1), “Coatings and

Coating Practices” by H. Herman, “Surface Modification” by F. A. Smidt. ASM International, Materials Park, OH 44073, Phone: (216) 338-5151.

2. AMS-S-13165, Shot Peening of Metal Parts. Society of

Automotive Engineers (AWS), 400 Commonwealth Dr., Warrendale, PA 15096-0001.


Indirect Food Additives: Adhesives and Components of Coatings. For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402, Phone: (202) 512-1800 or at: http://www.gpoaccess.gov/cfr/index.html .


Table 2-1. American Iron and Steel Society, 410 Commonwealth Drive, Warrendale, PA 15086, Phone: (412) 776-1535.

5. Steel Founders Society of America, Cast Metal Federation

Building, 455 State Street, Des Plaines, IL 60016, Phone: (708) 299-9160.

95-00 Transportation Tank Vents Title: 3-A® Sanitary Standard for Transportation Tank Vents, Number 95-00

Date: Effective: October 22, 2012

Scope: A1 This 3-A Sanitary Standard covers the sanitary aspects of pressure

vents, vacuum vents, surge valves and atmospheric vents used on transportation tanks. The vent begins at the fitting where the vent attaches to the tank and ends where air or pressure is expelled to



the atmosphere or taken into the transportation tank from the atmosphere.

A2 In order to conform to this 3-A Sanitary Standard, pressure vents,

vacuum vents, surge valve and atmospheric vents shall conform to the following criteria for design, materials of construction, fabrication techniques and installation, as appropriate, and the current revisions or editions of all referenced documents cited herein.


18- Multiple-Use Rubber and Rubber-Like Materials 20- Multiple-Use Plastic Materials 33- Metal Tubing 63- Sanitary Fittings


1. American Society of Mechanical Engineers (ASME) B46.1 - Surface Texture Waviness and Lay. Available from the American Society of Mechanical Engineers, Three Park Ave., New York, NY 10016- 5990, Phone: (212) 705-7722 or at http://www.asme.org







5. SAE AMS 2406, Chromium Plating (Electrodeposited). SAE-AMS

QQ-N-290A, Nickel Plating (Electrodeposited). SAE International, 400 Commonwealth Dr., Warrendale, PA 15096-0001, Internet: http://www.sae.org

6. AIST Stainless Steels: A Steel Products Manual, Association for

Iron & Steel Technology, 186 Thorn Hill Road, Warrendale, PA 15086, Phone: (724) 814 3000, Internet: www.aist.org


America, 780 McArdle Dr., Unit G, Crystal Lake, IL 60014,



http://www.aws.org/


http://www.sae.org/

http://www.sae.org/


Phone: (815) 455-8240, Fax: (815) 455-8241, Internet: www.sfsa.org


9. EHEDG Guideline 9 – Welding Stainless Steel to Meet Hygienic



rings, published by SAE, 400 Commonwealth Drive, Warrendale, PA 15086, Phone: (724)-776-4841, Internet: http://www.sae.org


Rings – Part 1: Inside diameters, crosssections, tolerances and size identification code, The International Organization for Standardization (ISO), 1 ch. de la Voie-Creuse, Postale 56, CH -1211, Geneva 20, Switzerland, Phone: +41-22-749-01- 11, Internet: www.iso.org

12. ASTM Specifications for Cast Grades A351/A351M,

A743/A743M and A744/A744M. Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, Phone: (610) 832-9500 or at http://www.astm.org

13. ASTM Specifications for Wrought Grades A-276, A-582, and A-

666. Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, Phone: (610) 832-9500 or at http://www.astm.org

101-00 Pipeline Product Recovery Equipment Title: 3 A® Sanitary Standard for Pipeline Product Recovery Equipment Using

Projectiles, Number 101-00


Scope: A1 This 3-A Sanitary Standard applies to the sanitary aspects of pipeline product recovery equipment using projectiles in process pipelines that transfer dairy or food products. The equipment





http://www.sae.org/

http://www.iso.org/


includes the launching mechanism, receiving mechanism, and projectile.

A2 To conform to this 3-A Sanitary Standard, pipeline product recovery

equipment using projectiles shall conform to the following criteria for design, materials of construction, fabrication techniques and installation, as appropriate, and the current revisions or editions of all referenced documents cited herein.


18- Multiple-Use Rubber and Rubber-Like Materials 20- Multiple-Use Plastic Materials 33- Metal Tubing 51- Plug-Type Valves 53- Compression-Type Valves 62- Hose Assemblies 63- Sanitary Fittings 68- Ball-Type Valves 74- Sensors and Sensor Fittings and Connections Used on Equipment 88- Machine Leveling Feet and Supports 3-A Accepted Practice for: 604- Supplying Air Under Pressure for Contact with Product or Product

Contact Surfaces 605- Permanently Installed Product and Solution Pipelines and Cleaning

Systems External References:

1. Grade “A” Pasteurized Milk Ordinance, available from: www.fda.gov/food/foodsafety/product-specificinformation/milksafety/default.htm

2. American Society of Mechanical Engineers (ASME) B46.1 -

Surface Texture Waviness and Lay. Available from the American Society of Mechanical Engineers, Three Park Ave., New York, NY 10016-5990, Phone: (212) 705-7722 or at http://www.asme.org


Protection Agency (EPA), The Code of Federal Regulations (CFR), Title 40, Parts 141, 142, and 143. For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402, Phone: (202) 512-1800 or the EPA web site at: http://water.epa.gov/drink/contaminants/index.cfm

4. AWS/ANSI D18.1 – Specification for Welding of Austenitic Stainless Steel Tube and Pipe Systems in Sanitary (Hygienic) Applications. AWS D18.2 – Guide to Weld Discoloration Levels on Inside of Austenitic Stainless Steel Tube (ANSI Approved)





http://water.epa.gov/drink/contaminants/index.cfm

AWS D18.3/D18.3M - Specification for Welding of Tanks, Vessels, and Other Equipment in Sanitary (Hygienic) Applications (ANSI Approved) Published by American Welding Society, 550 N.W. LeJeune Rd., Miami FL, Phone: (800) 443-3953, www.aws.org.



6. SAE AMS 2406, Chromium Plating (Electrodeposited). SAE-AMS QQ-N-290A, Nickel Plating (Electrodeposited). SAE International, 400 Commonwealth Dr., Warrendale, PA 15096-0001, Internet: http://www.sae.org

7. ASTM A959, Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels, Standard Guide for: Available from ASTM 100 Barr Harbor Drive, West Conshohocken, Pa 19428-2959, Phone: (610) 832 9500, Internet: www.astm.org


9. Steel Casting Handbook, Supplement 2, Steel Founders Society of America, 780 McArdle Dr., Unit G, Crystal Lake, IL 60014, Phone: (815) 455-8240, Fax: (815) 455-8241, Internet: www.sfsa.org


11. EHEDG Doc. 9 – Welding Stainless Steel to Meet Hygienic Requirements. European Hygienic Engineering & Design Group. Published by EHEDG, www.ehedg.org


13. ISO 3601-1:2002: Fluid Power Systems, Sealing Devices – O-Rings – Part 1: Inside diameters, cross-sections, tolerances and


http://www.aws.org/


http://www.sae.org/






http://www.sae.org/

size identification code, The International Organization for Standardization (ISO), 1 ch. de la Voie-Creuse, Postale 56, CH -1211, Geneva 20, Switzerland, Phone: +41-22-749-01-11, Internet: www.iso.org

14. ASTM specifications for Cast Grades A351/A351M, A743/A743M and A744/A744M. Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, Phone: (610) 832-9500 or at http://www.astm.org


http://www.iso.org/


603-07 Sanitary Construction, Installation, Testing and Operation of High-Temperature Short-Time and Higher-Heat Shorter-Time Pasteurizer Systems Title: 3-A® Accepted Practices for the Sanitary Construction, Installation,

Testing and Operation of High-Temperature Short-Time and Higher-Heat Shorter-Time Pasteurizer Systems, Number 603-07


Scope: A1 These 3-A Accepted Practices shall pertain to high-temperature short-time (HTST) and higher-heat shorter-time (HHST) pasteurization equipment, appurtenances, and controls used in a complete pasteurization system for milk and milk products. In addition to pasteurization, such systems may include flavor control, vacuum treatment, homogenization, clarification, separation, or other processes, which if included, are to be installed so that they do not influence required time, temperature, flow and pressure relationships.

A2 In order to conform to these 3-A Accepted Practices, HTST or

HHST pasteurizer systems shall conform to the following design, material, fabrication and installation criteria.1

A3 An Appendix is also included covering Application to Install,

Operation, Determination of Holding time and Pressure Relationships, Stainless Steel Materials, Product Contact Surface Finish and a list of 3-A Sanitary Standards and Accepted Practices referred to in the text. (NOTE: Numbered end notes and references are assembled in Appendix, Section R, on pages ___ to ___.)


01- Storage Tanks 02- Centrifugal and Positive Rotary Pumps 04- Homogenizers and Reciprocating Pumps 10- Filters Using Single Service Filter Media 11- Plate Type Heat Exchangers 12- Tubular Heat Exchangers 13- Farm Milk Cooling and Holding Tanks 16- Milk and Milk Products Evaporators and Vacuum Pans Products 18- Multiple-Use Rubber and Rubber-Like Materials Used as Product

Contact Surfaces in Dairy Equipment 20- Multiple-Use Plastic Materials 25- Non-Coil Type Batch Processors


28- Flow Meters for Milk and Milk Products 31- Scraped Surface Heat Exchangers 32- Uninsulated Tanks for Milk and Milk Products 33- Polished Metal Tubing for Milk and Milk Products 35- Blending Equipment 42- In-Line Strainers for Milk and Milk Products, Number 51- Plug-Type Valves for Milk and Milk Products 52- Plastic Plug-Type Valves for Milk and Milk Products 59- Automatic Positive Displacement Samplers for Fluid Milk and

Fluid Milk Products 74- Sensors and Sensor Fittings and Connections 65- Sight and/or Light Windows and Sight Indicators in Contact with

Product 63- Sanitary Fittings 58- Vacuum Breakers and Check Valves for Milk and Milk Products 3-A Accepted Practice for: 604- Supplying Air Under Pressure in Contact With Milk, Milk


Systems Used in Milk and Milk Product Processing Plants 607- Spray Drying Systems 608- Instantizing Systems 609- A Method of Producing Culinary Steam 3-A Sanitary Standards referenced which have been discontinued 37- Pressure and Level Sensing Devices

604-05 Supplying Air Under Pressure in Contact With Milk, Milk Products and Product Contact Surfaces Title: 3-A® Accepted Practices for Supplying Air Under Pressure in Contact

With Milk, Milk Products and Product Contact Surfaces, Number 604-05


Scope: A1 These 3-A Accepted Practices shall pertain to the sanitary aspects of the equipment and filters used in the supplying of air under pressure for contact with food, food products, other comestibles, product contact surfaces, and solution contact surfaces. The system shall begin with the air intake filter and end at point(s) of application.


A2 In order to conform to these 3-A Accepted Practices, equipment for the supplying of air as defined herein shall conform to the following design, material, fabrication and installation criteria and the applicable special requirements,


18- Multiple-use Rubber and Rubber-Like Materials Used as Product Contact Surfaces

20- Multiple-use Plastic Materials 33- Polished Metal Tubing 58- Vacuum Breakers and Check Valves 63- Sanitary Fittings 3-A Accepted Practices for: 605- Permanently Installed Product and Solution Pipelines and Cleaning

Systems

605-04 Permanently Installed Product and Solution Pipelines and Cleaning Systems Used in Milk and Milk Product Processing Plants Title: 3-A® Accepted Practices for Permanently Installed Product and Solution

Pipelines and Cleaning Systems Used in Milk and Milk Product Processing Plants, Number 605-04


Scope: Al These 3 A Accepted Practices provide for the installation and mechanical cleaning and sanitizing of rigid pipelines used for milk and milk processing systems in which the connections are welded or are provided with permanently installed CIP fittings. These 3 A Accepted Practices also specify materials, fabrication and other requirements for the rigid cleaning solution lines and for the mechanical cleaning (CIP) unit which circulates the pre rinse, rinse, cleaning solutions and post rinse liquids used for cleaning and sanitizing the product pipelines and process equipment. The mechanical cleaning and sanitizing of individual items of equipment may be found in the 3 A Sanitary Standards covering the specific equipment. This practice does not pertain to cleaning systems used on dairy farms, nor to large diameter piping used for conveying dry product in milk drying or instantizing systems. (See Appendix, Section P for an example of a mechanical (CIP) cleaning unit.)




20- Multiple-Use Plastic Materials 33- Polished Metal Tubing for Milk and Milk Products 3-A Accepted Practices for: 604- Supplying Air Under Pressure in Contact With Milk, Milk


606-05 Design, Fabrication, and Installation of Milking and Milk Handling Equipment Title: 3-A® Accepted Practices for the Design, Fabrication, and Installation of

Milking and Milk Handling Equipment, Number 606-05


Scope: A1 These 3-A Accepted Practices shall pertain to equipment used in a milking system that begins with the equipment applied to the cow to extract milk and continues to all components in the system exclusive of the container in which the raw milk is stored or from which the milk is removed from the dairy farm.

A2 In order to conform to these 3 A Accepted Practices, milking and

milk handling equipment shall conform to the following design, material, fabrication, and installation criteria.


02- Centrifugal and Positive Rotary Pumps 10- Filters Using Single Service Filter Media 11- Plate Type Heat Exchangers 12- Tubular Heat Exchangers 13- Farm Milk Cooling and Holding Tanks 18- Multiple-Use Rubber and Rubber-Like Materials Used as Product

Contact Surfaces in Dairy Equipment 20- Multiple-Use Plastic Materials 30- Farm Milk Storage Tanks 32- Uninsulated Tanks for Milk and Milk Products 33- Polished Metal Tubing for Milk and Milk Products 74- Sensors and Sensor Fittings and Connections 63- Sanitary Fittings


51- Plug-Type Valves for Milk and Milk Products 52- Plastic Plug-Type Valves for Milk and Milk Products 53- Compression-Type Valves 3-A Accepted Practice for: 604- Supplying Air Under Pressure in Contact With Milk, Milk


607-05 Spray Drying Systems Title: 3-A® Accepted Practices for Spray Drying Systems, Number 607-05


Scope: A1 These 3-A Accepted Practices shall pertain to the sanitary aspects

of equipment for spray drying milk and milk products, and include all equipment necessary for spray drying milk and milk products beginning with the discharge of the final pump which delivers the liquid product to the atomizers and terminates at the point the finished product leaves the system for conveying either to the packaging system or to bulk storage. The drying system may include but shall not be limited to the equipment used for moving and cleaning air, heating and/or cooling air, fluid product handling, fluid product heating, fluid product atomizing, gas injection into the product, atomized product dispersion into the heated air, dry ingredient introduction into the process air or product, product reintroduction, agglomeration, dry or partially dry product retention, additional product drying, separating dry product from the air, exhausting the air, dry product cooling and/or conveying, dry product sifting and classifying, dry product particle size reduction, metallic particle detection and separation, internal vibration, air locks, fire suppression appurtenances, pressure relief (explosion venting), product sampling, heat recovery, permanently installed mechanical cleaning devices, instrument sensor fittings, observation ports and any other equipment that may become a part of the spray drying system for handling processing air or product.

A2 Pneumatic and/or mechanical conveyors which are an integral part

of a spray drying system are subject to the same material, fabrication, design, and processing air requirements of 3-A Sanitary Standards for Pneumatic Conveyors for Dry Milk and Dry Milk Products, Number 39- and 3-A Sanitary Standards for Mechanical Conveyors for Dry Milk and Dry Milk Products, Number 41- both of which apply to such conveyors that are not an


integral part of a dryer system. A3 In order to conform to these 3-A Accepted Practices, spray drying

system components shall conform to the following criteria for design, material, fabrication, air supply and the applicable documents referenced herein.


02- Centrifugal and Positive Rotary Pumps 04- Homogenizers and Reciprocating Pumps 11- Plate Type Heat Exchangers 12- Tubular Heat Exchangers 18- Multiple-Use Rubber and Rubber-Like Materials Used as Product

Contact Surfaces in Dairy Equipment 20- Multiple-Use Plastic Materials 26- Sifters for Dry Products 33- Polished Metal Tubing for Milk and Milk Products 39- Pneumatic Conveyors for Dry Milk and Dry Milk Products 40- Bag Collectors 41- Mechanical Conveyors for Dry Products 49- Air Driven Sonic Horns for Dry Products 51- Plug-Type Valves for Milk and Milk Products 52- Plastic Plug-Type Valves for Milk and Milk Products 53- Compression-Type Valves 54- Diaphragm-Type Valves for Milk and Milk Products 58- Vacuum Breakers and Check Valves for Milk and Milk Products 60- Milk and Milk Products Rupture Discs 78- Spray Cleaning Devices Intended to Remain in Place 63- Sanitary Fittings 65- Sight and/or Light Windows and Sight Indicators in Contact with

Product 74- Sensors and Sensor Fittings and Connections 61- Steam Injection Heaters for Milk and Milk Products 62- Hose Assemblies for Milk and Milk Products 50- Level Sensing Devices for Dry Products 3-A Accepted Practice for: 604- Supplying Air Under Pressure in Contact With Milk, Milk

Products and Product Contact Surfaces 608- Instantizing Systems 609- A Method of Producing Culinary Steam 605- Permanently Installed Product and Solution Pipelines and Cleaning



43- Wet Collectors for Dry Milk & Dry Milk Products

608-02 Instantizing Systems Title: 3-A® Accepted Practices for Instantizing Systems, Number 608-02 Date: Effective November 20, 2001

Scope: A1 These 3-A Accepted Practices shall pertain to the sanitary aspects

of equipment in instantizing systems and include all equipment necessary for instantizing dry milk and dry milk products beginning with the equipment which receives the product to be instantized and terminating at the point the product is discharged to either the packaging system or storage. The instantizing systems include equipment used for moving and cleaning the air, heating and/or cooling air, conveying the product, moistening the product, additional drying of the product, removing the instantized product from the air and cooling the product.

A2 In order to conform to these 3-A Accepted Practices, equipment in

instantizing systems shall comply with the following criteria for design, material, fabrication, processing air and moistening medium .



20- Multiple-Use Plastic Materials 39- Pneumatic Conveyors for Dry Milk and Dry Milk Products 40- Bag Collectors 41- Mechanical Conveyors for Dry Products 33- Polished Metal Tubing for Milk and Milk Products 63- Sanitary Fittings 3-A Accepted Practice for: 603- Sanitary Construction, Installation, Testing and Operation of High-

Temperature Short-Time and Higher-Heat Shorter-Time Pasteurizer Systems

604- Supplying Air Under Pressure in Contact With Milk, Milk Products and Product Contact Surfaces

609- A Method of Producing Culinary Steam 605- Permanently Installed Product and Solution Pipelines and Cleaning



609-03 A Method of Producing Culinary Steam Title: 3-A® Accepted Practices for A Method of Producing Culinary Steam,

Number 609-03


Scope: A1 This 3-A Accepted Practice shall pertain to the sanitary aspects of the equipment and filters used in the supplying of steam of culinary quality which comes in direct contact with food products, other comestibles, or product contact surfaces. The system shall begin with the steam inlet of the entrainment separator and terminate at the steam inlet of the process equipment.

A2 In order to conform to this 3 A Accepted Practice, equipment for

supplying steam of culinary quality, as defined herein, shall conform to the following design, material, fabrication, and installation criteria.


18- Multiple-Use Rubber and Rubber-Like Materials Used as Product Contact Surfaces

20- Multiple-Use Plastic Materials 33- Polished Metal Tubing 53- Compression-Type Valves 58- Vacuum Breakers and Check Valves 63- Sanitary Fittings 64- Pressure Reducing and Back Pressure Regulating Valves 74- Sensors and Sensor Fittings and Connections 3-A Accepted Practices for: 605- Permanently Installed Product and Solution Pipelines and Cleaning

Systems

610-02 Sanitary Construction, Installation, and Cleaning of Cross Flow Membrane Processing Systems Title: 3-A® Accepted Practices for the Sanitary Construction, Installation, and

Cleaning of Cross Flow Membrane Processing Systems, Number 610-02

Date: Adopted July 31, 2009

Scope: A1 This 3-A Accepted Practice pertains to the sanitary aspects of


equipment necessary for crossflow membrane processing of milk, milk products, and their fractions. These processes include ultrafiltration, diafiltration, microfiltration, nanofiltration and reverse osmosis. The system begins at the product inlet to the supply tank which delivers the liquid product to the membrane equipment and, if diafiltration is used, at the outlet of the nearest valve which delivers water for diafiltration. The system terminates at the connections on the membrane equipment where concentrate and permeate leave the membrane equipment for storage or further processing. This 3-A Accepted Practice does not cover materials and fabrication of membrane modules. Membrane modules are covered under 3-A Sanitary Standard, Number 45-.

A2 In order to conform to this 3-A Accepted Practice, membrane

process systems shall conform to the following criteria for design, materials of construction, fabrication techniques and installation, as appropriate, and applicable provisions of current revisions or editions of all referenced documents cited herein.

References: Doc. No. Title (3-A Sanitary Standards for:) 02- Centrifugal and Positive Rotary Pumps 04- Homogenizers and Reciprocating Pumps 11- Plate-Type Heat Exchangers 12- Tubular Heat Exchangers 18- Multiple-Use Rubber and Rubber-Like Materials Used as Product

Contact Surfaces in Dairy Equipment 20- Multiple-Use Plastic Materials 28- Flow Meters 32- Uninsulated Tanks 33- Polished Metal Tubing 45- Crossflow Membrane Modules 53- Compression-Type Valves 54- Diaphragm-Type Valves 57- Disc-Type Valves 58- Vacuum Breakers and Check Valves 61- Steam Injection Heaters Doc. No. Title (3-A Sanitary Standards for:) 62- Hose Assemblies 63- Sanitary Fittings 65- Sight and/or Light Windows and Sight Indicators in Contact With

Product 74- Sensors and Sensor Fittings and Connections Used on Equipment 82- Pulsation Dampening Devices 85- Double-Seat Mixproof Valves 87- Mechanical Strainers 88- Machine Leveling Feet and Supports


External References

1. AISI Steel Products Manual, Stainless & Heat Resisting Steels, Table 2-1. American Iron and Steel Society, 410 Commonwealth Drive, Warrendale, PA 15086 (412) 776-1535.

2. Steel Casting Handbook, Supplement 2, 1999. Available from Steel

Founders Society of America, 780 McArdle Dr., Unit G, Crystal Lake, IL 60014, Phone: (815) 455-8240, Fax: (815) 455-8241, Internet: www.sfsa.org.


and A744/A744M. Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959. Phone: (610) 832-9500.


666. Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959. Phone: (610) 832-9500.


rings, published by SAE, 400 Commonwealth Drive, Warrendale, PA 15086 (412-776-4970).

6. ISO 3601-1: The International Organization for Standardization

(ISO), 1 Rue de Varembe, Case Postale 58, CH 1 1211, Geneva, Switzerland (41-22-734-1240).

7. The Code of Federal Regulations (CFR), Title 21, Part 175 –

Indirect Food Additives: Adhesives and Components of Coatings. For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402, (202) 512-1800 or at http://www.gpoaccess.gov/cfr/index.html.

8. FDA GRADE A PASTEURIZED MILK ORDINANCE (PMO).

Available from: Milk Safety Branch, HFS-626, Div. Of Cooperative Programs, Food and Drug Administration, 5100 Paint Branch Parkway, College Park, MD 20740-3835, or at http://www.cfsan.fda.gov/~ear/pmo03toc.html.

9. The Code of Federal Regulations (CFR), Title 21, part 177-179– Indirect Food Additives. For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402, (202) 512-1800 or at http://www.gpoaccess.gov/cfr/index.html.

10. GAR C-9 Cast Microfinish Comparator. Can be obtained from

GAR Electroforming Division, Box 340, Danbury, CT 06813-




http://www.cfsan.fda.gov/%7Eear/pmo03toc.html


0340, (203) 744-4300.

11. Advanced Materials and Processes, Volume 137(1), “Coatings and Coating Practices” by H. Herman, “Surface Modification” by F.A.Smidt, p. 61. ASM International, Materials Park, OH 44073 (216) 338-5151.

12. (ANSI)/American Society of Mechanical Engineers (ASME) B46.1

- Surface Texture Waviness and Lay. Available from the American Society of Mechanical Engineers, 345 East 47th Street, New York, NY 10017-2392, Phone: (212) 705-7722.


Protection Agency (EPA), The Code of Federal Regulations (CFR), Title 40, Parts 141, 142, and 143. For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402, Phone: (202) 512-1800 or the EPA web site at: http://www.epa.gov/OGWD/ .)

14. AWS/ANSI D18.1 – Specification for Welding of Austenitic Stainless Steel Tube and Pipe Systems in Sanitary (Hygienic) Applications. Published by American Welding Society, 550 N.W. LeJeune Rd., Miami FL, Phone: (800) 443-3953, www.aws.org .

15. EHEDG Doc. 9 – Welding Stainless Steel to Meet Hygienic Requirements. European Hygienic Engineering & Design Group. Published by EHEDG, www.ehedg.org .

611-00 Farm Milk Cooling and Storage Systems Title: 3-A® Accepted Practices for Farm Milk Cooling and Storage Systems,

Number 611-00


Scope: A1 These 3-A Accepted Practices shall pertain to equipment used for farm milk cooling and storage systems. These systems shall begin at the inlet of the heat exchanger and end with the milk storage vessel from which the raw milk is removed from the dairy farm.

A2 In order to conform with these 3 A Accepted Practices, farm milk

cooling and storage systems shall comply with the following design, material, fabrication, cooling and installation criteria.



http://www.epa.gov/OGWD/

http://www.aws.org/



20- Multiple-Use Plastic Materials 63- Sanitary Fittings 33- Polished Metal Tubing for Milk and Milk Products 30- Farm Milk Storage Tanks 01- Storage Tanks 11- Plate Type Heat Exchangers 12- Tubular Heat Exchangers 13- Farm Milk Cooling and Holding Tanks 74- Sensors and Sensor Fittings and Connections 3-A Accepted Practice for: 604- Supplying Air Under Pressure in Contact With Milk, Milk



612-00 Plant Environmental Air Quality Title: 3-A® Accepted Practice for Plant Environmental Air Quality, Number

612-00

Date: Effective December 30, 2011

Scope: A1 This 3-A Accepted Practice covers the materials, design, fabrication and installation of equipment used to produce and handle plant environmental air in processing, packaging, and storage areas.

A2 This 3-A Accepted Practice also provides guidance for the air

quality to be maintained in food processing, packaging, and storage areas. These conditions are considered necessary to minimize contamination of product, product contact surfaces, and open containers.

A3 This 3-A Accepted Practice applies to HVAC systems installed in

new building construction and does not apply to existing HVAC systems or minor renovation work.

A4 This 3-A Accepted Practice does not apply to warehouse areas,

receiving areas, coolers and freezers.


1. The Code of Federal Regulations (CFR), Title 21, Part 175 – Indirect Food Additives: Adhesives and Components of Coatings.


For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402, Phone: (202) 512-1800 or at http://www.gpoaccess.gov/cfr/index.html.

2. The Code of Federal Regulations (CFR), Title 21, Part 110.40, Current Good Manufacturing Practice in Manufacturing, Packaging, or Holding Human Food, Equipment and Utensils. For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402, Phone: (202) 512-1800 or at http://www.gpoaccess.gov/cfr/index.html.

3. ANSI/ASHRAE 52.2-2007, Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size. Obtainable from American Society of Heating, Refrigeration and Air Conditioning Engineers, USA web site: www.ashrae.org

4. ISO 14644-1: 1999, Cleanrooms and associated controlled environments — Part 1: Classification of air cleanliness. This document designates standard classes of air particulate cleanliness and specifies methods for verifying air cleanliness classifications. Obtainable from International Standards Organization, Switzerland web site: www.iso.ch

E-600 Egg Breaking and Separating Machines Title: E-3-A® Sanitary Standards for Egg Breaking and Separating Machines,

Number E-0600


Scope: A1 These E-3-A Sanitary Standards cover the sanitary aspect of egg breaking and separating machines including processing air sources.

They do not cover associated egg washers or conveyors used for the purpose of delivering eggs to the machine nor to equipment used beyond the point the product and the egg shell are discharged form the machine.

A2 In order to conform to these E-3-A Sanitary Standards, egg

breaking and separating machines shall comply with the following design, material and fabrication criteria.







http://www.ashrae.org/

http://www.iso.ch/

63- Sanitary Fittings 3-A Accepted Practice for: 604- Supplying Air Under Pressure in Contact With Milk, Milk


E-1500 Shell Egg Washers Title: E-3-A® Sanitary Standards for Shell Egg Washers, Number E-1500


Scope: Al These E-3-A Sanitary Standards cover the sanitary aspects for

washers of shell eggs. They do not pertain to any device used in moving the product from a flat to the washer rollers or washer in feed system such as hand or vacuum lifters, trays, wire fingers or similar

devices nor do they pertain to fixed transfer devices between components nor to an oiling device which is used with a washer in a shell egg cartoning operation.

A2 In order to conform with these E-3-A Sanitary Standards, shell egg

washers shall comply with the following design, material and fabrication criteria.




P3-A-001 Pharmaceutical General Glossary Title: General Glossary of Terminology Used In Pharmaceutical 3-A®

Standards P3-A 001

Date: Effective April 1, 2008

Scope: A1 This standard shall provide users of Pharmaceutical 3-A (P3-A) Standards and Accepted Practices with definitions of acronyms and terms widely used in these documents.


References:

P3-A-002 Materials for Use in Process Equipment and Systems Title: Pharmaceutical 3-A® Sanitary/Hygienic Standards for Materials for Use

in Process Equipment and Systems P3-A 002 Date: Effective April 1, 2008

Scope: A1 These sanitary/hygienic standards provide minimum materials and

surface property requirements, including minimum fabrication related materials and surface property requirements for equipment and components utilized in the pharmaceutical manufacturing environment whereby those material and surface properties may directly, indirectly, or incidentally impact the strength, identity, safety, purity or quality of the active pharmaceutical ingredient, excipient, or drug product.

A2 Subject materials include metals, non-metals (i.e. polymerics, plastics, elastomers, ceramics, glass, lubricants, sealants, and adhesives), and their processed forms intended for single or multiple-use as direct, indirect, or incidental product contact and/or cleaning solution (aqueous and/or non-aqueous) contact surfaces in equipment for production, processing, and handling of the active pharmaceutical ingredient, excipient, or drug product.

A3 This standard shall apply to new equipment. A4 See Appendix A for those manufacturing steps for which this

standard intended to apply.

References: Normative References: 21 CFR 210 cGMP Practice in Mfg, Processing, Packaging, or Holding of Drugs. 21 CFR 211 cGMP for Finished Pharmaceuticals. 21 CFR 175 Indirect Food Additives: Adhesives and Components of Coatings. 21 CFR 176 Indirect Food Additives: Paper and Paperboard Components. 21 CFR 177 Indirect Food Additives: Polymers. 21 CFR 178 Indirect Food Additives: Adjuvants, Production Aids, and


Sanitizers. 21 CFR 820 Quality System Regulation. ISO 2743 Vitreous and porcelain enamels - Determination of resistance to condensing hydrochloric acid vapor. ISO 13807 Vitreous and porcelain enamels - Determination of crack formation temperature in the thermal shock testing of enamels for the chemical industry. ISO 2723 Vitreous and porcelain enamels for sheet steel - Production of specimens for testing ISO 2733 Vitreous and porcelain enamels - Apparatus for testing with acid and neutral liquids and their vapors. ISO 2734 Vitreous and porcelain enamels - Apparatus for testing with alkaline liquids. ISO 2745 Vitreous and porcelain enamels - Determination of resistance to hot sodium hydroxide. ISO 3601-1 Fluid power systems - O-rings - Part 1: Inside diameters, cross-sections, tolerances and size identification code. ICH Q7 Good Manufacturing Practice Guidance for Active Pharmaceutical Ingredients. ICH Q1A Stability Testing of New Drug Substances and Products. United States Pharmacopoeia (current Edition). ASTM A380 Standard Practice for Cleaning, Descaling, and Passivation of Stainless Steel Parts, Equipment, and Systems. ASTM D395 Compression Set – Rubber. ASTM B912 Standard Specification for Passivation of Stainless Steels Using Electropolishing. ASTM D2240 Rubber Property – Durometer Hardness. ASTM G31 – Laboratory Immersion Corrosion Testing of Metals. ASME B46.1 – Surface Texture.


AWS D18.1 Specification for Welding of Austenitic Stainless Steel Tube and Pipe Systems in Sanitary (Hygienic) Applications. Steel Products Manual: Stainless Steels – Iron & Steel Society – ISBN: 1-886362-34-3. NSF White Book™ - Lubricant Reference. P3-A – 001 General Glossary of Terminology Used In Pharmaceutical 3-A® Standards. Machinery's Handbook, 27th Edition, Industrial Press Inc., New York, NY

P3-A-003 End Suction Centrifugal Pumps Title: Pharmaceutical 3-A® Sanitary/Hygienic Standards for End

Suction Centrifugal Pumps for Active Pharmaceutical Ingredients P3-A-003:2012

Date: Effective February 1, 2012

Scope: A1 These standards cover the sanitary design requirements of mechanically sealed end-suction centrifugal pumps, conforming to ANSI/ASME B73.1, pertinent to active pharmaceutical ingredient (API) manufacturing in order to maintain product integrity.

A2 In order to conform to these P3-A Standards, mechanically sealed

end-suction centrifugal pumps shall comply with the following design, materials, and fabrication criteria. (Refer to Appendix D (Non-normative) for a typical diagram of a pump and a seal.)

References: Normative References:

B1. The Code of Federal Regulations (CFR), Title 21,\ Parts 175 –

Indirect Food Additives: Adhesives and Components of Coatings. For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402, Phone: (202) 512-1800 or at http://www.gpoaccess.gov/cfr/index.html.

B2 The Code of Federal Regulations (CFR), Title 21, Part 177 Indirect

Food Additives: Polymers. For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402, Phone: (202) 512-1800 or at http://www.gpoaccess.gov/cfr/index.html.

B3 American Society of Mechanical Engineers (ASME) ANSI/ASME




B46.1 - Surface Texture Waviness and Lay. Available from the American Society of Mechanical Engineers, Three Park Ave., New York, NY 10016-5990, Phone: (212) 705-7722, http://www.asme.org.

B4 Aerospace Standard (AS) 568, Aerospace Size Standards for O-

rings, published by SAE, 400 Commonwealth Drive, Warrendale, PA 15086, Phone: (724)-776-4841, http://standards.sae.org/as568c.

B5 ISO 3601-1:2002: Fluid Power Systems, Sealing Devices – O-

Rings – Part 1: Inside diameters, cross-sections, tolerances and size identification code, The International Organization for Standardization (ISO), 1 ch. de la Voie-Creuse, Postale 56, CH -1211, Geneva 20, Switzerland, Phone: +41-22-749-01-11. http://www.iso.org .

B6 American Society of Mechanical Engineers American Society of

Mechanical Engineers (ASME) ANSI/ASME B73.1 – Specification for Horizontal End Suction Centrifugal Pumps for Chemical Process. Available from the American Society of Mechanical Engineers, Three Park Ave., New York, NY 10016-5990, Phone: (212) 705-7722, http://www.asme.org.

B7 Pharmaceutical 3-A (P3-A) ANSI/3-A P3-A-001- 2008 Standard

Terminology Relating to Equipment Used in the Manufacture of Active Pharmaceutical Ingredients. Available from 3-A Sanitary Standards, Inc. 6888 Elm Street, Suite 2D, McLean, VA 22101, Phone (703) 790-0295, http://www.3-a.org.

B8 Pharmaceutical 3-A (P3-A) ANSI/3-A P3-A-002-2 2008

Sanitary/Hygienic Standards for Materials for Use in Process Equipment and Systems. Available from 3-A Sanitary Standards, Inc. 6888 Elm Street, Suite 2D, McLean, VA 22101, Phone (703) 790-0295, http://www.3-a.org.

B9 American Petroleum Institute (API) ANSI/API 682, Pumps – Shaft

Sealing Systems for Centrifugal and Rotary Pumps, Available from The American Petroleum Institute, 1220 L Street NW, Washington, D.C. 20005-4070, Phone (202) 682-8000, http://www.api.org.

B10 ISO 21049:2004: Pumps – Shaft Sealing Systems for Centrifugal

and Rotary Pumps, Available from The International Organization for Standardization (ISO), 1 ch. de la Voie-Creuse, Postale 56, CH -1211, Geneva 20, Switzerland, Phone: +41-22-749-01-11. http://www.iso.org.



http://standards.sae.org/as568c

http://www.iso.org/


http://www.3-a.org/

http://www.3-a.org/

http://www.api.org/

http://www.iso.org/

B11 Aerospace Standard (AS) 568, published by SAE, 400

Commonwealth Drive, Warrendale, PA 15086, Phone (412-776-4970).

B12 ISO 3601-1: 1988 (E), published by the International Organization

for Standardization (ISO), 1 Rue de Varembe, Case Postale 58, CH 1 1211, Geneva, Switzerland (41-22-734-1240).


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