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Teadit 2236 Certified Low-Leaking Valve Packing Technology
Packing 2236 - SpecificationsTemperature: -240C (-400F) to 650C (1,200F) steam
455C (850F) atmosphere
pH range: 0 - 14 (except strong oxidizers)
Pressure: To 450 bar (6,500 psi)PrPrPreesessusureee::: ToT 450 bar (6,500 psi)
TEADIT PACKING 2236 is self-lubricating, non-hardening, dimensionally stable and resistant to gases and fluids as well as heat, pressure and chemicals. Its high temperature flexible graphite and Inconel filament jacket affords mechanical stability while the advanced construction provides leakage control and high integrity in steam service.
Due to its physical properties and ability to minimize friction, TEADIT STYLE 2236 is ideal for valves and can be used within a broad range of applications.
PROPERTIES
PACKING
22362236
KEY FEATURES
Certified Low-Leakage Packing Technology
TA-Luft aproved
Suitable to VOC and VHAP emissions regulations
Environment friendly valve stem packing with supreme emissions control
Highly Suitable for services with
Fugitive Emissions
TA-Luft
Exceeds TA-Luf t requirement
API Standard 622 Test Report Type Testing of Process ValvePacking for Fugitive Emissions
Second Edition, 2011 Performed for
Teadit North America
www.teadit-na.com
Teadit Style 2236 Graphite Packing
Project Number: 211142 Test Start Date: June 8, 2011
Performed by
YARMOUTH RESEARCH AND TECHNOLOGY, LLC
434 Walnut Hill Road North Yarmouth, ME 04097 USA
(207) 829-5359 [email protected]
Yarmouth Research and Technology, LLC
API 622 PROJECT SUMMARY
Customer: Teadit North America Start Date: 8-Jun-11Project #: 211142
Packing InformationPacking Description: Teadit Style 2236
Rings cut from spool and installed by YarmouthTest conducted in test fixture.(1)
Source of Sample: CustomerPacking Cross Section: 1/4 inch nominal
Packing Free Ht: 1.375 inches - measured
Test ConditionsSpecification: API 622, 2nd Edition, 2011
Test Media: 99% Methane Test Pressure: 600 psigRecommended Packing Nut Torque: 57 ft-lb
Maximum Allowable Leakage: 100 PPMvStem Linear Travel During Cycling: 4.0 inches
Cycling Rate: 45 seconds per cycle
Dimensions (inches)Stem Diameter: 1.000 Bore Diameter: 1.500
Follower Height: 1.015 Bore Depth: 1.250Gland Ht at Start: 0.658 % Compression: 35%Gland Ht at End: 0.658 % Compression: 35%
Gland Bolt Diameter: 5/8Results
Average Test Pressure: 600 psigNumber of Mechanical Cycles Completed: 1510
Number of Thermal Cycles Completed: 5Number of Packing Adjustments Required: 0
Cycle Number(s) of Packing Adjustments: n/aAverage Leakage Throughout Test: 2 PPMv
Maximum Leakage Throughout Test: 22 PPMv
Witness
Matthew J Wasielewski, PE
President, Yarmouth Research
________________________________www.yarmouthresearch.com
Fire Test Report ANSI/API Standard 607, Sixth Edition, 2010
ISO 10497:2010 Performed for
TEADIT North America, Inc.
www.TEADIT.com
Style 2236 Packing Tested in a 6 inch Class 300 Gate Valve
Project Number: 210229 February 7, 2011
Performed by
YARMOUTH RESEARCH AND TECHNOLOGY, LLC
434 Walnut Hill Road North Yarmouth, ME 04097 USA
(207) 829-5359 [email protected]
Yarmouth Research and Technology, LLC
Customer: TEADIT North America, Inc. Date: 2/7/2011Specification: ANSI/API Standard 607,Sixth Edition, 2010
ISO 10497-5:2010Product Description: Style 2233 Packing
Project Number: PN210229Comments: Test conducted in 6 inch Cl300 gate valve
Packing nuts torqued to 35 ft-lb at start of test.Yarmouth Engineer: Matthew J. Wasielewski, P.E.
Equipment Confirmed to be in Calibration to NIST Standards: Yes
Burn and Cool Down TestBurn Start Time: 11:21:00
Average Pressure During Burn: 571 psigExternal Leak Rate During Burn/Cool Down: 0.5 ml/min
Allowable External Leak Rate: 600 ml/min
Amount of Time of Avg. Cal. Blocks > 650 deg. C: 20.5 minutesWere Test Conditions Within Compliance? Yes
Were the Valve Leakages Below the Allowables? Yes
Operational TestDid Valve Unseat and Open Fully?: Yes
Average Pressure During Test: 561 psigExternal Leak Rate After Operating: 24.4 ml/min
Allowable External Leak Rate: 150 ml/min
Was the Leakage Below the Allowable? Yes
s Valve Pass or Fail the Test Standard? PASS
Witnesses
________________________________ www.yarmouthresearch.com Page 2 of 13
Yarmouth Research and Technology, LLC
________________________________ www.yarmouthresearch.com Page 3 of 13
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Yarmouth Research and Technology, LLC
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Fugitive Emission Test Report
ChevronTexaco Test Standard
Performed for
Teadit North America
www.teadit.com
Teadit Style 2236 Braided Graphite Packing
Project Number: 210202 Start Date: November 1, 2010
Performed by
YARMOUTH RESEARCH AND TECHNOLOGY, LLC
434 Walnut Hill Road North Yarmouth, ME 04097 USA
(207) 829-5359 [email protected]
Yarmouth Research and Technology, LLC
PROJECT SUMMARY
Customer: Teadit North America Start Date: 1-Nov-10Packing Manufacturer: Teadit Project #: 210202
Packing Description: Teadit GAX 22365 rings cut from spool
Test Fixture: 4" Cl300 Velan Gate Valve
Manufacturer's Recommended Packing Torque: 56 ft-lbStem Diameter: 1.000 inchesBore Diameter: 1.510 inches
Number of Handwheel Turns During Cycling: 11.5 (each direction)Stem Travel During Cycling: 4.1 inches
Cycling Speed: 43 RPMCycling Rate: 75 seconds per cycle
Maximum Allowable Leakage: 500 PPMv (stem static)Maximum Allowable Handwheel Torque: 83 ft-lb (based on 200lb pull force)
Test Pressure: 600 psigTest Media: 99% Methane
RESULTSReason for Test Completion: 5000 cycles completed
Number of Mechanical Cycles Completed: 5000Number of Thermal Cycles Completed: 10
Number of Packing Adjustments Required: 0
Stem Seal Leakage Readings (PPMv) Opening Closing Static Dynamic Torque Torque
Avg. Max. Avg. Max. (ft-lb) (ft-lb)Average: 4 4 4 6 18 23
Maximum: 19 20 18 23 20 25
Witness
________________________________ www.yarmouthresearch.com
Yarmouth Research and Technology, LLC
Customer: Teadit North America Start Date: 1-Nov-10Packing Manufacturer: Teadit Project #: 210202
Packing Description: Teadit GAX 2236
Test Fixture: 4" Cl300 Velan Gate Valve
Test Results: The average and maximum leakage results shown below werecalculated from 60 readings measured during a minute duration.Opening and closing torques are performed against the test pressure.See data sheets for more detailed information.
Stem Seal Leakage Readings (PPMv) Packing Opening ClosingCycle Temp Static Dynamic Retorque Torque Torque
Number (F) Avg. Max. Avg. Max. See Note (ft-lb) (ft-lb)0 Ambient 1 1 3 8 20 25
30 145 1 1 2 2 0 20 2531 145 2 2 2 2 20 25
100 320 3 3 3 3 20 25200 500 6 6 6 7 20 25300 500 4 5 5 6 20 25400 320 3 4 3 4 20 25500 Ambient 2 2 2 3 20 25600 320 5 5 5 6 20 25700 500 3 3 3 3 20 25800 500 3 3 3 3 20 25900 320 2 2 2 2 20 25
1000 Ambient 3 4 4 5 20 251100 320 2 2 2 2 20 251200 500 2 2 2 2 20 251300 500 2 2 2 2 20 251400 320 3 3 3 3 20 251500 Ambient 4 4 4 4 20 251600 320 4 4 4 4 20 251700 500 3 3 3 3 20 251800 500 3 3 3 3 20 251900 320 2 2 2 2 20 252000 Ambient 6 7 6 7 20 252100 320 3 3 4 4 20 252200 500 2 2 2 2 20 252300 500 2 2 2 2 20 252400 320 1 1 1 1 20 252500 Ambient 1 2 4 9 20 252600 320 2 2 2 3 20 252700 500 2 2 2 3 15 202800 500 1 2 2 2 15 20
________________________________ www.yarmouthresearch.com
Yarmouth Research and Technology, LLC
2900 320 1 1 1 3 15 203000 Ambient 4 5 5 9 15 203100 320 2 2 2 3 15 203200 500 1 1 1 1 15 203300 500 2 2 2 2 15 203400 320 2 2 2 3 15 203500 Ambient 1 1 1 2 15 203600 320 3 3 3 4 15 203700 500 1 1 2 3 15 203800 500 3 4 3 4 15 203900 320 2 2 2 3 15 204000 Ambient 1 2 2 4 15 204100 320 3 4 6 9 15 204200 500 4 5 6 8 15 204300 500 9 9 8 11 15 204400 320 9 10 8 12 15 204500 Ambient 10 11 12 14 15 204600 320 11 12 18 23 15 204700 500 19 20 16 21 15 204800 500 11 13 15 22 15 254900 320 7 8 6 12 15 255000 Ambient 4 6 8 15 15 25
Averages -> 4 4 4 6 18 23Maximums -> 19 20 18 23 20 25
Packing Retorque Notes:Static Before Adjustment After Adjustment
Leakage Nut Torque Opening Closing Nut Torque GlandPPMv Top Bottom Torque Torque Top Bottom Height
0 1 55 55 20 25 56 56 0.581 #REF! 10 15 20 35 35 35 0.4792 0 20 22 20 40 40 40
Bonnet Gasket Leakage at Start: (PPMv) 0 Avg. 0 Max.Bonnet Gasket Leakage at End of Test: (PPMv) 0 Avg. 0 Max.
Packing Nut Torque at End of Test: (ft-lb) 35
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Fugitive Emission Performance of 2236 in a Used Valve Application______________________________________________________________________________
TEADIT NORTH AMERICATELE: 281-476-3900 1-800-999-0198 FAX: 713-476-3999
P.O. BOX 7118 PASADENA, TX 77508WWW.TEADIT.COM [email protected]
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Mechanical Cycles vs. Leakage
Challenge: Is Teadit 2236 Certified Low-Emission Valve Packingeffective on used valves that have previously been in service?
Background: Despite the successful performance results of past API 622and ChevronTexaco tests, Teadit was recently asked to validate thefugitive emission (FE) performance of Teadit 2236 packing on a valvethat was previously in service. A Powell, 4 300# Class gate valve wasprovided by a large refining company as the test specimen. See figure 1.
Objectives: Simulate a repack of a used valve as if it were in the field.
o No Stem Replacement/No weld build up and machining Follow Teadit recommended packing installation instructions Perform FE testing according to API 622 2nd Ed. Standard
o 1510 Mechanical Cycles at 600 psig [41 bar]o 5 Thermal Cycles 0 5000F [0-2600C]o Less than 50 ppm average
(API 622 is
2236 Handout_1.pdf2236 Handout_2-21.pdf