3-2 V-Series Two-way and Three-way Globe Valve Bodies, Components and Assemblies • Heating and cooling applications for non-corrosive fluids • Steam and hot water flow control • Complete valve assemblies or components available • Electric or hydraulic actuators and linkages • Two-way flow and three-way mixing and diverting valves • 1/2" to 6" valve sizes The high quality V-Series two-way and three-way globe valves are manufactured to exact specifica- tions and are designed to provide years of reliable service. The assemblies are designed for heating/ cooling applications using steam, water, glycol or other non-corrosive fluids. The V-Series assem- blies should not be used with combustible f l u- ids such as na t u r al gas. The V-Series products are available as complete assemblies but most users purchase the bodies, actuators and linkages separately for convenient local assembly. Valve Bodies Valve bodies are available in the two-way configu- ration with stem-up open (normally open) and stem-up closed (normally closed) versions. Three- way mixing and diverting valve bodies are also available. Valve body sizes range from 1/2 inch to 6-inch pipe and 5/8" O.D. copper tube size. Valve body styles include; screw thread, union and flared in cast bronze, flanged in cast iron. Actuators Depending upon the application, three classes of our actuators are suitable for use with our valve bodies; linear stroke hydraulic, linear stroke electric and rotary stroke box style actuators. See the Actuators section of this catalog for complete details. Linkage kits Most actuators require mechanical linkage kits spec- ifically designed to couple them to the valve bodies. Several varieties of linkage kits are available to match the valve bodies to our range of actuators for various applications. Complete assembly instructions are supplied with each kit. Complete Valve Assemblies Complete valve assemblies consist of a valve body and selected actuator coupled by a matching linkage kit. Usually customers order the body, actuator and linkage kit individually and easily assemble their own valve assemblies. However, among the many possible combinations of bodies, actuators and linkages, there are several standard ones that may be ordered from the factory as completely pre-assembled valve assemblies. VALVES F e a t u r e s :
Transcript
3 -2
V-Series Two-way and Three-way GlobeValve Bodies, Components and Assemblies
• Heating and cooling applications
for non-corrosive fluids
• Steam and hot water flow control
• Complete valve assemblies or
components available
• Electric or hydraulic actuators
and linkages
• Two-way flow and three-way
mixing and diverting valves
• 1/2" to 6" valve sizes
The high quality V-Series two - w ay and thre e - w ayglobe va l ves are manu fa c t u red to exact specifica-tions and are designed to provide years of re l i abl es e r v i c e. The assemblies are designed for heat i n g /cooling ap p l i c ations using steam, wat e r, glycol orother non-corro s ive fl u i d s. The V-Series assem-blies should not be used with combustible f l u -ids such as na t u r al gas. The V-Series pro d u c t sa re ava i l able as complete assemblies but most users purchase the bodies, actuators and linkage ss ep a r at e ly for convenient local assembly.
Valve Bodies
Va l ve bodies are ava i l able in the two - w ay configu-r ation with stem-up open (norm a l ly open) andstem-up closed (norm a l ly closed) ve r s i o n s. Th re e -w ay mixing and dive rting va l ve bodies are alsoava i l abl e. Va l ve body sizes range from 1/2 inch to 6-inch pipe and 5/8" O. D. copper tube size. Va l veb o dy styles include; screw thread, union and fl a re din cast bro n ze, fl a n ged in cast iro n .
Actuators
D epending upon the ap p l i c ation, three classes of o u ra c t u ators are suitable for use with our va l ve bodies;linear stro ke hyd r a u l i c, linear stro ke electric androtary stro ke box style actuat o r s. See the Actuat o r ssection of this cat a l og for complete details.
Linkage kits
Most actuators re q u i re mechanical linkage kits spec-i f i c a l ly designed to couple them to the va l ve bodies.S everal varieties of l i n k age kits are ava i l able to mat chthe va l ve bodies to our range of a c t u ators for va r i o u sap p l i c at i o n s. Complete assembly instructions are supplied with each kit.
Complete Valve Assemblies
Complete va l ve assemblies consist of a va l ve body and selected actuator coupled by a mat ching linkagekit. Usually customers order the body, actuator andl i n k age kit indiv i d u a l ly and easily assemble their ow nva l ve assembl i e s. Howeve r, among the many possibl ec o m b i n ations of b o d i e s, actuators and linkage s, therea re several standard ones that may be ord e red from thefactory as completely pre - a s s e m bled va l ve assembl i e s.
VALVES
F e a t u r e s :
Valve Model Code
Refer to the sample va l ve model code below for the fo rm at to use when specifying model nu m b e r s.When va l ve bodies only are being specified, theC o n t rol Fo rm field will alw ays be specified as "VB"and the Actuator field will alw ays be "000". When a complete factory assembled va l ve is being speci-fied, the Control Fo rm field will ch a n ge to one off ive options (VA, VC, VF, VP, or VS), dep e n d i n gupon the type of c o n t rol action delive red by theselected actuat o r. The actuator and mat ching l i n k age for this Control Fo rm are then identified in the Actuator field by replacing the "000" with ap rescribed three-digit code identifier for the select-ed combination. This three-digit code is only usedwhen specifying ava i l able factory assembl e dva l ve s. A description of ava i l able 3-digit codes fo rthe Actuator field, wh i ch specifies factory assem-bled va l ves is given in the Va l ve Assembly Tabl e sb eginning on page 3–27.
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ControlForm
Body
Control Form
Valve BodyV B Valve body only, no actuatorValve AssembliesVA Actuator with two position
ON-OFF spring returnV C Actuator with two position
ON-OFF nonspring returnV F Actuator with floating
control non-spring returnV P Actuator with proportional
control and slidewire feedback
V S Actuator with proportional control and analog input
End Fitting Valve SizeActuator
Sample Ordering Codes for Va l v e s :
Pattern
Body
1 U n i o n2 F l a r e d3 Screwed or
f l a n g e d4 Union sweat
End Fitting
Tw o -Wa y7 2 1 Stem up open,
brass trim with disc, 1/2" to 2"
9 2 1 Stem up open, brass trim with disc, 2-1/2" to 6"
7 2 2 Stem up closed, brass trim with disc, 1/2" to 2"
7 2 5 Stem up open, s.strim with disc, 1/2" to 2"
7 2 6 Stem up closed, s.strim with disc, 1/2" to 2"
7 2 7 Stem up open, s.s trim, 1/2" to 2"
7 2 8 Stem up closed, s.s trim, 1/2" to 2"
T h r e e -Wa y
7 3 1 Mixing, 1/2" to 2"9 3 1 Mixing, 2-1/2" to 6"7 3 2 Diverting, 1/2" to 2"9 3 2 Diverting, 2-1/2"
to 6"
0 0 0 None, valve bodyo n l y
X X X A c t u a t o r / l i n k a g eassembly code forfactory assembledu n i t s
Actuator
3 A n g l e4 S t r a i g h t a w a y5 Globe, flanged
E a ch va l ve assembly consists of a va l ve body, an a c t u ator and a linkage kit. The instructions andt ables in this cat a l og will guide you in selecting the proper components or factory assembl i e s.
1. Determine the Application Criteria
Fl ow type re q u i red
t wo - w ay, equal % or modified linear
t h re e - w ay, mixing or dive rt i n g
Fluid type (hot wat e r, steam, glycol, etc. )
Fluid temperat u re
Inlet pre s s u re re q u i re d
Existing piping or tubing size
2. Determine Valve Control Form Required
The Control Fo rm specifies the type of c o n t ro laction for the va l ve assembly. Th e re are six diff e r-ent control fo rm s. Fo rm VB specifies the va l veb o dy only. Determine the desired Control Fo rm for the va l ve assembly in your ap p l i c ation from the table below.
3. Determine Required CV
G e n e ral info rmation and guidance on valve sizing is presented in pages 3–35 to 3–43. Sizing the valve is the most important valve selection criteria
For Control Fo rm VA and VC (ON-OFF), CV
value doesnot affect va l ve body selection. Use the largest C
Vava i l-
able in the desired pipe size to size the va l ve.
For Control Fo rm VF, VP and VS (fl o ating and pro p o r-tional control), go to the section in this cat a l og on va l vesizing (pages 3–35 to 3–43) to determine the C
Vn e e d e d
for the ap p l i c ation. To determine CV
, the fo l l ow i n gparameters must be identified:
inlet pre s s u re
fluid temperat u re
fluid specific gr av i t y
fluid fl ow rate in GPM (liquid) . . or
fluid fl ow rate in lbs./hr (steam)
Valve Assembly Control Form
Form Control Action Spring Actuator* Input Signal
VB None None None Valve body only
VA Two Position, ON-OFF Spring Return (NO/NC) RSE Dry contact, single input
VS Proportional, analog input Spring Return RSE Analog
VS Proportional, analog input Spring Return LSH Analog
VS Proportional, analog input Non-Spring Return RSE, LSE Analog* L S E : linear stroke electric
L S H : Linear stroke hydraulicR S E : Rotary stroke electric
VALVES
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4. Select Valve Body
For Control Fo rm VA or VC (ON-OFF), use the crite-ria identified in (1.) ab ove to select the desired va l veb o dy. Make sure the va l ve body selected has a pre s-s u re rating suitable to the fluid pre s s u re. Specify the largest C
Vr ating in the desired pipe or tubing
s i ze for that selected va l ve body. Remember that ON-OFF control action re q u i res an electric actuator thatuses the stem-up open version of the va l ve body only.I f the selected electric actuator is a spring re t u rnt y p e, the va l ve can be configured norm a l ly open orn o rm a l ly closed as determined by assembly of t h ea c t u ator linkage.
For Control Fo rm VF (fl o ating), only an electric a c t u ator and only the stem-up open version of t h eva l ve body that meets the ap p l i c ation criteria may be used. Make sure the va l ve body selected has a p re s s u re rating equal to or gre ater than the fl u i dp re s s u re. For the chosen va l ve body, select a va l ves i ze (PP code) whose C
Vis nearest to the C
Vd e t e r-
mined from va l ve sizing. In some cases this ch o i c em ay re q u i re the piping size to be reduced to fit theselected va l ve.
For Control Fo rm VP or VS (pro p o rtional contro lap p l i c ations) using electric actuat o r s, you may select only the stem-up open version of the va l veb o dy that meets the ap p l i c ation criteria (stem-upclosed actuators re q u i re a hydraulic actuator). M a ke sure the va l ve body selected has a pre s s u re r ating equal to or gre ater than the fluid pre s s u re. I f the selected actuator is a spring re t u rn type, theva l ve can be configured norm a l ly open or norm a l lyclosed as determined by the selection of the actuat o r.For the chosen va l ve body, select a va l ve size (PPcode) whose C
Vis nearest to the C
Vd e t e rmined fro m
va l ve sizing. In some cases this choice may re q u i rethe piping size to be reduced to fit the selected va l ve.
For Control Fo rm VS (pro p o rtional control ap p l i c a-tions) using hydraulic actuat o r s, select either thestem-up open or stem-up closed va l ve body that meetsthe ap p l i c ation criteria Make sure the va l ve bodyselected has a pre s s u re rating suitable to the fl u i dp re s s u re. For the chosen va l ve body, select a va l ves i ze (PP code) whose C
Vis nearest to the C
Vd e t e r-
mined from va l ve sizing. . Remember hydraulic a c t u ators may only be used with va l ve sizes up to 2". This choice may re q u i re the piping size to be reduced to fit the selected va l ve.
5. Select the Actuator
For the chosen Control Fo rm, consult the actuat o rselection table on page 3–18 for an ove r v i ew of t h ea c t u ator types, control action, torque and trave ltime to assist in determining the full actuator s p e c i f i c ation. Note that there are many models o f a c t u ators ava i l able from the company in our c at a l og, but only those with 180° of t r avel and those with ava i l able linkage kits may be used for control of our va l ve s.
Control Form V AElectric Ro t a ry Actuator, two position with springre t u rn and single contact input
For an electric actuator with two-position ON-OFFc o n t rol action and spring re t u rn, select the EA12a c t u at o r. The EA12 may be configured for norm a l lyopen or norm a l ly closed operation by the selectiono f the ap p ro p r i ate actuator linkage. Check the cl o s e -o ff p re s s u re table on page 3–22 to determine i f the EA12 actuators have enough torque to shutthe va l ve against the expected inlet pre s s u re crite-ria at the va l ve size selected. Check any temperat u rerestrictions on use of this actuator as noted on thet e m p e r at u re tables on page 3–20.
Control Form V CElectric Ro t a ry Actuator, two position with non-spring re t u rn and single contact input
For an electric actuator with two-position ON-OFFc o n t rol action and non-spring re t u rn, select theEA31 actuat o r. Check the cl o s e - o ff p re s s u re table on page 3–23 to determine if the EA31 actuat o r sh ave enough torque to shut the va l ve against theexpected inlet pre s s u re criteria at the va l ve sizeselected. Check any temperat u re restrictions on use of this actuator as noted on the temperat u ret ables on page 3–20.
Valve Selection
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Valve Selection
Control Form VFElectric Linear Actuator, floating control with non-spring re t u rn and dual contact input
For fl o ating control action the MF-63103 or MF-63123a c t u ator style must be selected. Check the cl o s e - o ffp re s s u re table on page 3–24 to determine if t h e s ea c t u ators have enough fo rce to shut the va l veagainst the expected inlet pre s s u re criteria at theva l ve size selected. This pre s s u re rating must behigher than the fluid inlet pre s s u re in the ap p l i c a-tion criteria. Also ch e ck any temperat u re re s t r i c-tions on use of this actuator as noted on the t e m p e r at u re tables on page 3–21.
Control Form VPElectric Ro t a ry Actuator, proportional control withs l i d ew i re fe e d b a ck, spring re t u rn and dual contactinput. Note that floating control action can be accom-plished in Control Fo rm VP if s l i d ew i re fe e d b a ck isi g n o re d .
For spring re t u rn pro p o rtional control action, theb ox style Models EA42 or EA44 low torque electrica c t u ator may be used.
These actuators may be configured for norm a l lyopen or norm a l ly closed operation by the assemblyo f the ap p ro p r i ate actuator linkage. Check the cl o s e -o ff p re s s u re table on page 3–22 to determine if t h eEA4x actuator has enough torque to shut the va l veagainst the expected inlet pre s s u re criteria at theva l ve size selected. This pre s s u re rating must behigher than the fluid inlet pre s s u re in the ap p l i c a-tion criteria. Also ch e ck any temperat u re re s t r i c-tions on use of this actuator as noted on the temper-at u re tables on page 3–20.
Electric Ro t a ry Actuator, proportional control with slidew i re fe e d b a ck, non-spring re t u rn and dual contact input.
For pro p o rtional control action with non-springre t u rn, the medium torque models EA52, EA54, EA56 and EA58 and high torque EA76 electric a c t u ators with dual contact input may be used.
VALVES
C h e ck the cl o s e - o ff p re s s u re tables on page 3–22 to 3–24 to determine if the EA5x or EA76 actuator hasenough torque to shut the va l ve against the expectedinlet pre s s u re criteria at the va l ve size selected. Th i sp re s s u re rating must be higher than the fluid inletp re s s u re in the ap p l i c ation criteria. Also ch e ck anyt e m p e r at u re restrictions on use of this actuator asnoted on the temperat u re tables on pages 3–19 and3 – 2 0 .
Control Form VSElectric Ro t a ry Actuator, proportional control, spring return, analog input
The new EAxx-A Series of b ox style actuators withi n t egral micro p rocessor based electronics are ava i l-able with analog input and sw i t ch selectable 180°s t ro ke. The EA42-A and EA44-A are low torque spring re t u rn actuators and are selected for norm a l lyopen or norm a l ly closed operation. Check the cl o s e - o ffp re s s u re table on page 3–22 to determine if the EA42-A or EA44-A actuators have enough torque to shut theva l ve against the expected inlet pre s s u re criteria atthe va l ve size selected. Check any temperat u re re s t r i c-tions on use of this actuator as noted on the tempera-t u re tables on page 3–20.
Electric Ro t a ry Actuator, proportional control, non-spring return, analog input
The new EAxx-A Series of b ox style actuators with in-t egral micro p rocessor based electronics are also ava i l-able in non-spring re t u rn ve r s i o n s. The EA52-A, EA54-A, EA56-A and EA58-A medium torque actuators andEA76-A high torque actuators have non-spring re t u rnaction and accept analog input signals. Check thecl o s e - o ff p re s s u re table on pages 3–22 to 3–24 to deter-mine if the EAxx-A actuators have enough torque toshut the va l ve against the expected inlet pre s s u re cri-teria at the va l ve size selected. This pre s s u re rat i n gmust be higher than the fluid inlet pre s s u re in theap p l i c ation criteria. Also ch e ck any temperat u rerestrictions on use of this actuator as noted on thet e m p e r at u re tables on pages 3–19 and 3–20.
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Electric Linear Actuator, floating control with non-spring return and optional analog input.
The MF-63123 non-spring re t u rn linear stro ke elec-tric actuator with fl o ating input (Control Fo rm VF)m ay be conve rted to an analog input actuat o r( C o n t rol Fo rm VS) by the addition of an optionala n a l og input card (MFC-420 for current or MFC-8000for vo l t age). Check the cl o s e - o ff p re s s u re table onp age 3–24 to determine if the MF-63123 actuator with analog input has enough torque to shut theva l ve against the expected inlet pre s s u re criteria at the va l ve size selected. This pre s s u re rating must be higher than the fluid inlet pre s s u re in theap p l i c ation criteria. Also ch e ck any temperat u rerestrictions on use of this actuator as noted on thet e m p e r at u re tables on page 3–21.
Hydraulic Linear Actuator, proportional control,spring return, analog input
For pro p o rtional control action the EA81 hyd r a u l i ca c t u ator accepts a 4-20mA input signal and is ourmost economical actuator for smaller va l ve assem-bl i e s. Note that the EA81 should not be used withfluid temperat u res below 40°F. Check the cl o s e - o ffp re s s u re table on page 3–25 to determine if the EA81a c t u ator has enough torque to shut the va l ve aga i n s tthe expected inlet pre s s u re criteria at the va l ve sizeselected. This pre s s u re rating must be higher thanthe fluid inlet pre s s u re in the ap p l i c ation criteria.Also ch e ck any temperat u re restrictions on use ofthis actuator as noted on the temperat u re table onp age 3–19.
Options
Note that options can be specified in the actuat o rmodel code, even though they are not listed in theA c t u ator Selection Table on page 3–18. Unless noted as ava i l able factory assemblies in the Va l veA s s e m bly Tables commencing on page 3–27, selectinga c t u ators with options re q u i res that the actuat o r,va l ve body and linkage kit be purchased as sep a r at ei t e m s.
6. Select the Linkage Kit
The suitable va l ve / a c t u ator combinations are listed in detail with part numbers in the Va l veA s s e m bly Tables beginning on page 3–27. Th e s et ables provide the part number of the mech a n i c a ll i n k age kit that couples the selected actuator to the desired va l ve body for that ap p l i c ation. The MF-63000 series, when used with 2" or smaller va l ve s,re q u i res no linkage.
7. Valve Assemblies vs Valve Components
Once the va l ve body, actuator and linkage are select-ed, they may be ord e red in one of t wo way s. It maybe ord e red fully assembled if the combination is anava i l able factory va l ve assembly. Ava i l able fa c t o r ya s s e m blies are noted in the Va l ve Assembly Tabl e scommencing on page 3–27. The part number willcommence with the code that designates the Contro lFo rm (VA, VC, VF, VP, VS). Only those entries in thecolumn “Ava i l able factory assemblies” may beo rd e red as full assembl i e s. Note that the actuat o rre c e ived with this assembly must confo rm to thec o n f i g u r ation of the actuator specified for that entry.A ny other actuator configuration of options nots p e c i f i c a l ly delineated cannot be ord e red as a fa c t o-ry assembled va l ve.
I f the selected assembly is not listed as an ava i l abl efactory assembly, the va l ve assembly must beo rd e red as body, actuator and linkage componentsand assembled locally using the complete instru c-tions provided with the linkage kit. When ord e r i n gthe va l ve body, actuator and linkage sep a r at e ly, thefull model numbers for these components must bespecified (see the Actuators section of this cat a l og ) .
8. Examples
See the valve slection examples beginning on page 3–51
Valve Selection
3 -8
Two-Way Valve Bodies
I f the customer is using on-off c o n t rol, just selectthe va l ve body with the largest port size in therequested pipe size. Remember the fo l l owing ru l ewhen sizing the va l ve for fl o ating or pro p o rt i o n a lc o n t rol. “At least one-half o f the ava i l able pre s-s u re must drop across the va l ve body when theva l ve is fully open.” An ove r s i zed va l ve body willresult in very nonlinear control action. It is bet-ter to have too small of a va l ve body than tool a r ge of o n e. Please refer to the section on va l vesizing ( pages 35–43) for complete dat a .
VALVES
Introduction
Va l ve bodies are ava i l able in two - w ay configurat i o nwith stem-up open and stem-up closed configurat i o n s.Stem-up closed models are restricted to use withhydraulic actuat o r s. The linkages used with electrica c t u ators are only compat i ble with stem-up open b o d i e s. Sizes range from 1/2" to 6" pipe size or 5/8"O. D. SAE 45º copper tube.
Selecting the proper va l ve body re q u i res the fo l l owing dat a :
• Fluid type
• Fluid temperat u re
• Po rt size (Cv
r at i n g )
Selecting the proper port size re q u i res the fo l l owing dat a :
• Inlet pre s s u re
• Re q u i red fl ow rate in either GPM (liquid) or lbs/hr (steam).
Model: VB-7211-000-3-PPUnion Angle Mount Two-Way Valve
Stem-up open VB-7211-000-3-PP
Stem-up closed Not available
Size 1/2 to 1-1/4"
Flow type Equal %
Body Bronze
Seat Bronze
Stem Stainless steel
Plug Brass
Packing Spring loaded TFE
Disc Composition
Static pressure rating 250(up to 400 psig below 150ºF)
Maximum inlet pressure for steam 35 psig
Fluid temperature range 20 to 281ºF
Maximum. differential pressure for water 35 psi
Maximum differential pressure for steam 20 psi
Chilled or hot Fluid Type water 281ºF max,
steam 35 psig max
The VB-7211-000-3-PP series va l ve body has aright angle fl ow pat t e rn. The inlet has a femalepipe thread. The outlet has a union for easyi n s t a l l at i o n .
These va l ves are ava i l able in 1/2 inch through 1-1/4 inch pipe size. Stem-up open is the only
c o n f i g u r ation off e red. The factory assembl e dva l ves are ava i l able withhydraulic actuators only.
Caution: Freezer protection required for fluid temperature below 32ºF (0ºC)
Caution: Fittings and piping schedules must meet or exceed working static pres -sure requirements.
* Reduced port
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Model: VB-7211-000-4-PP Model: VB-7221-000-4-PPUnion Straightway mount two-way valve Stem-up open VB - 7211 - 000 - 4 - PP
Stem-up closed VB - 7221 - 000 - 4 - PP
Size 1/2 to 1-1/4"
Flow type Equal %
Body Bronze
Seat Bronze
Stem Stainless steel
Plug Brass
Packing Spring loaded TFE
Disc Composition
Static pressure rating 250 (up to 400 psig below 150°F)
Maximum inlet pressure, seam 35 psig
Fluid temperature range 20 to 281°F
Maximum differential pressure for water 35 psi
Maximum differential pressure for steam 20 psi
Chilled or hot Fluid Type water 281ºF max,
steam 35 psig max
This series has a straight fl ow pat t e rn. The inlet has a female pipe thread. The outlet has a union for easy installation. These va l ves are ava i l able in 1/2" through 1-1/4" pipe size.
Model VB-7211 is configured stem-up open.
Model VB-7221 is configured stem-up closed
Factory assembled va l ves are ava i l able with hydraulic actuat o r s.
Caution:Freezer protection required for fluid temperature below 32ºF (0ºC)
Caution: Fittings and piping schedules must meet or exceed working static pres -sure requirements.
Caution: Freezer protection required for fluid temperature below 32ºF (0ºC)
Caution:Solder and tubing must meet or exceed working static pressure requirements.
* Reduced port
** 5/8" O.D. SAE 45º
* Reduced port
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Two-Way Valve Bodies
VALVES
Model: VB-7213-000-4-PPModel: VB-7223-000-4-PPScrewed NPT straightaway mount two-way valve Stem-up open VB - 7213 - 000 - 4 - PP
Stem-up closed VB - 7223 - 000 - 4 - PP
Size 1/2 to 2"
Flow type Equal %
Body Bronze
Seat Bronze
Stem Stainless steel
Plug Brass
Packing Spring loaded TFE
Disc Composition
Static pressure rating 250 (up to 400 psig below 150°F)
Maximum inlet pressure for steam 35 psig
Fluid temperature range 20 to 281°F
Maximum differential pressure for water 35 psi
Maximum differential pressure for steam 20 psi
Chilled or hot Fluid Type water 281ºF max,
Steam 35 psig max
This is our most popular series. The va l ve body has female pipe thread at both inlet and outlet. These va l ves are ava i l able in 1/2" through 2" pipe size.
Model VB-7213 is configured stem-up open.
Model VB-7223 is configured stem-up closed
VB-7213 factory assembled va l ves are ava i l able withhydraulic and electric actuat o r s. VB-7223 factory assem-bled va l ves are ava i l able with hydraulic actuators only.
Port size .4 1.3 2.2 4.4 5.5 7.5 10 14 20 30 40( C
vr a t i n g )
Model: VB-7214-000-4-PPModel: VB-7224-000-4-PPUnion Sweat straightaway mount two-way valve Stem-up open VB - 7214 - 000 - 4 - PP
Stem-up closed VB - 7224 - 000 - 4 - PP
Size 1/2 to 2"
Flow type Equal %
Body Bronze
Seat Bronze
Stem Stainless steel
Plug Brass
Packing Spring loaded TFE
Disc Composition
Static pressure rating 250 (up to 400 psig below 150°F)
Maximum inlet pressure for steam 35 psig
Fluid temperature range 20 to 281°F
Maximum differential pressure for water 35 psi
Maximum differential pressure for steam 20 psi
Chilled or hot Fluid Type water 281ºF max,
Steam 35 psig max
These va l ves have unions designed to be swe ated to copper pipe. The va l ves are ava i l able in 1/2" t h rough 2" pipe size.
Model VB-7214 is configured stem-up open.
Model VB-7224 is configured stem-up closed
VB-7214 factory assembled va l ves are ava i l able with hydraulic and electric actuat o r s. VB-7224 factory assembled va l ves are ava i l able with hydraulic actuators only.
Port size .4 1.3 2.2 4.4 5.5 7.5 10 14 20 30 40( C
vr a t i n g )
* Reduced port
* Reduced port
Caution: Freezer protection required for fluid temperature below 32ºF (0ºC)
Caution: Fittings and piping schedules must meet or exceed working static pres -sure requirements.
Caution:Freezer protection required for fluid temperature below 32ºF (0ºC)
Caution: Fittings and piping schedules must meet or exceed working static pres -sure requirements.
3 -1 1
Model: VB-9213-000-4-PPScrewed NPT straightaway mount two-way valve
Stem-up open VB - 9213 - 000 - 4 - PP
Size 2-1/2 to 3"
Flow type Equal %
Body Bronze
Seat Bronze
Stem Stainless steel
Plug Brass
Packing Spring loaded TFE
Disc Composition
Static pressure rating 250 (up to 400 psig below 150°F)
Maximum inlet pressure for steam 35 psig
Fluid temperature range 40 to 281°F
Maximum differential pressure for water 35 psi
Maximum differential pressure for steam 20 psi
Chilled or hot Fluid Type water 281ºF max,
Steam 35 psig max
This is a continu ation of our popular VB-7213 series. The va l ve body has female pipe thread at both inlet andoutlet. This va l ve is ava i l able in 2-1/2" and 3" pipe size.
Model VB-9213 is configured stem-up open.
VB-9213 factory assembled va l ves are ava i l able with electric actuators only.
Caution: Freezer protection required for fluid temperature below 32ºF (0ºC)
Caution: Fittings and piping schedules must meet or exceed working static pres -sure requirements.
Caution:Freezer protection required for fluid temperature below 32ºF (0ºC)
Caution:Fittings and piping schedules must meet or exceed working static pres -sure requirements.
3 -1 2
VALVES
Two-Way Valve Bodies
Model: VB-7253-000-4-PPModel: VB-7263-000-4-PPScrewed NPT straightaway mount two-way valve Stem-up open VB - 7253 - 000 - 4 - PP
Stem-up closed VB - 7263 - 000 - 4 - PP
Size 1-1/2 to 2"
Flow type Modified linear
Body Bronze
Seat Stainless steel
Stem Stainless steel
Plug Stainless steel
Packing Spring loaded TFE
Disc Teflon
Static pressure rating 250 (up to 400 psig below 150°F)
Maximum inlet pressure for steam 100 psig
Fluid temperature range 20 to 340°F
Maximum differential pressure for water 35 psi for normal life
Maximum differential pressure for steam 35 psi
Fluid Type Hot water 300ºF max,Steam 100 psig max
These va l ves are an upgrade of our popular VB-7213 andVB-7223 series rated for higher inlet pre s s u re and fl u i dt e m p e r at u re. These va l ves are ava i l able in 1/2" through 2" pipe size.
Model VB-7253 is configured stem-up open.
Model VB-7263 is configured stem-up closed
VB-7253 factory assembled va l ves are ava i l able withhydraulic and electric actuat o r s. VB-7263 factory assem-bled va l ves are ava i l able with hydraulic actuators only.
Port size .4 1.3 2.2 4.4 5.5 7.5 10 14 20 30 40( C
vr a t i n g )
Model: VB-7273-000-4-PPModel: VB-7283-000-4-PPScrewed NPT straightaway mount two-way valve Stem-up open VB - 7273 - 000 - 4 - PP
Stem-up closed VB - 7283 - 000 - 4 - PP
Size 1-1/2 to 2"
Flow type Modified linear
Body Bronze
Seat Stainless steel
Stem Stainless steel
Plug Stainless steel
Packing Spring loaded TFE
Disc None
Static pressure rating 250 (up to 400 psig below 150°F)
Maximum inlet pressure for steam 150 psig
Fluid temperature range 20 to 400°F
Maximum differential pressure for water 35 psi for normal life
Maximum differential pressure for steam 50 psi
Fluid Type Hot water 366ºF max, Steam 150 psig max
These va l ves are an upgrade of our popular VB-7213 and VB-7223. They have the highest rating for inlet pre s s u re and fluid temperat u re of all the va l ves we off e r. They do not have a disk and will have up to 2% closed state leakage.These va l ves are ava i l able in 1/2" through 2" pipe size.
Model VB-7273 is configured stem-up open.
Model VB-7283 is configured stem-up closed
VB-7273 factory assembled va l ves are ava i l able withhydraulic and electric actuat o r s. VB-7283 factory assembl e d
va l ves are ava i l able withhydraulic actuators only.
Port size .4 1.3 2.2 4.4 5.5 7.5 10 14 20 30 40( C
vr a t i n g )
Caution: Freezer protection required for fluid temperature below 32ºF (0ºC)
Caution:Fittings and piping schedules must meet or exceed working static pres -sure requirements.
Caution: Freezer protection required for fluid temperature below 32ºF (0ºC)
Caution: Fittings and piping schedules must meet or exceed working static pres -sure requirements.
* Reduced port
* Reduced port
3 -1 3
Three-Way Valve Bodies
I f the customer is using on-off c o n t rol, just select the va l ve body with the largest port size in the requested pipe size. Remember the fo l l ow i n grule when sizing the va l ve for pro p o rtional contro l .“At least one-half o f the ava i l able pre s s u re mustd rop across the va l ve body when the va l ve is fullyopen.” An ove r s i zed va l ve body will result in ve r ynonlinear control action. It is better to have toosmall of a va l ve body than too large of o n e. Pleaserefer to the section on va l ve sizing (page 35–43) fo rcomplete dat a .
Introduction
Va l ve bodies are ava i l able in thre e - w ay configura-tion as mixing and dive rting va l ve s. Sizes rangef rom 1/2" to 6" pipe size or 5/8" O. D. SAE 45º cop-per tube.
Selecting the proper va l ve body re q u i res the fo l l owing dat a :
• Fluid type
• Fluid temperat u re
• Po rt size (Cv
r at i n g )
Selecting the proper port size re q u i res the fo l l owing dat a :
• Inlet pre s s u re
• Re q u i red fl ow rate in either GPM (liquid) or lbs/hr (steam).
Model: VB-7312-000-4-PPFlared straightaway mount three-way mixing valve
VB - 7312 - 000 - 4 - PP
Flow type Mixing
Size 5/8" O.D. SAE 45º
Flow pattern stem-up Flow B to AB, closed port A
Flow pattern stem-down Flow A to AB, closed port B
Body Bronze
Seat Bronze
Stem Stainless steel
Plug Brass
Packing Spring loaded TFE
Disc None
Static pressure rating 250 (up to 400 psig below 150°F)
Maximum fluid temperature 20 to 281°F
Maximum differential pressure for water 35 psi
Fluid Type Chilled or hotwater 281ºF max
Mixing va l ves have two inlets and one outlet and are c o n f i g u red for combining two fl u i d s. This series isdesigned for connection to copper tubing rather thanp i p e. Mounting is designed for tube with a 5/8" O. D. SAE 45° fl a re. C
Vr atings of 2.2 and 4.4 are ava i l abl e.
Factory assembled va l ves are ava i l able with hyd r a u l i ca c t u ators only.
Flow pattern stem-down Flow A to AB, closed port B
Body Bronze
Seat Bronze
Stem Stainless steel
Plug Brass
Packing Spring loaded TFE
Disc None
Static pressure rating 250 (up to 400 psig below 150°F)
Fluid temperature range 20 to 281°F
Maximum differential pressure for water 35 psi
Fluid Type Chilled or hotwater 281ºF max
Mixing va l ves have two inlets and one outlet and are config-u red for combining two fl u i d s. This is our most popularseries of mixing va l ve s. The va l ve body has female pipet h read at both inlets and the outlet. These va l ves are ava i l able in 1/2" through 2" pipe size.
Factory assembled va l ves are ava i l able with hydraulic and electric actuat o r s.
Flow pattern stem-down Flow A to AB, closed port B
Body Bronze
Seat Bronze
Stem Stainless steel
Plug Brass
Packing Spring loaded TFE
Disc None
Static pressure rating 250 (up to 400 psig below 150°F)
Fluid temperature range 20 to 281°F
Maximum differential pressure for water 35 psi
Fluid Type Chilled or hotwater 281ºF max
Mixing va l ves have two inlets and one outlet and are config-u red for combining two fl u i d s. These va l ves have unionsdesigned to be swe ated to copper pipe. These va l ves are ava i l-able in 1/2" through 2" pipe size.
Factory assembled va l ves are ava i l able with hydraulic andelectric actuat o r s.
Flow pattern stem-down Flow A to AB, closed port B
Body Bronze
Seat Bronze
Stem Stainless steel
Plug Brass
Packing Spring loaded TFE
Disc None
Static pressure rating 250 (up to 400 psig below 150°F)
Fluid temperature range 20 to 281°F
Maximum differential pressure for water 35 psi
Fluid Type Chilled or hotwater 281ºF max
D ive rting va l ves have one inlet and two outlets and are c o n f i g u red for dive rting a fluid to two diff e rent locat i o n s.The va l ve body has female pipe thread at both outlets and the inlet. These va l ves are ava i l able in 1/2" through 2" pipe size.
Factory assembled va l ves are ava i l able with hydraulic and electric actuat o r s.
Flow pattern stem-down Flow A to AB, closed port B
Body Bronze
Seat Bronze
Stem Stainless steel
Plug Brass
Packing Spring loaded TFE
Disc None
Static pressure rating 250 (up to 400 psig below 150°F)
Fluid temperature range 40 to 281°F
Maximum differential pressure for water 35 psi
Fluid Type Chilled or hotwater 300ºF max
Mixing va l ves have two inlets and one outlet and are config-u red for combining two fl u i d s. This is a continu ation ofour popular VB-7313 series. The va l ve body has female pipet h read at both inlets and the outlet. These va l ves are ava i l-able in 2-1/2" and 3" pipe size.
Factory assembled va l ves are ava i l able with electric a c t u ators only.
Model: VB-9323-000-5-PPFlange mount three-way diverting valve
VB - 9323 - 000 - 5 - PP
Flow type Diverting
Size 2-1/2 to 6"
Flow pattern stem-up Flow C to L, closed port U
Flow pattern stem-down Flow C to U, closed port L
Body Cast iron
Seat Bronze
Stem Stainless steel
Plug Brass
Packing Spring Loaded TFE
Disc None
Static pressure rating 125 (up to 200 psig below 150°F)
Fluid temperature range 40 to 300°F
Maximum differential pressure for water 35 psig
Fluid Type Chilled or hotwater 300ºF max
D ive rting va l ves have one inlet and two outlets and are con-f i g u red for dive rting a fluid to two diff e rent locat i o n s. Th e s eva l ves have cast iron bodies and 125 lb pipe fl a n ges at bothoutlets and the inlet. They are ava i l able in 2-1/2" through 6"pipe size.
Factory assembled va l ves are ava i l able with electric actua-tors only.
Mixing va l ves have two inlets and one outlet and arec o n f i g u red for combining two fl u i d s. These va l ves havecast iron bodies and 125 lb pipe fl a n ges at both inletsand the outlet. They are ava i l able in 2-1/2" through 6"pipe size.
Factory assembled va l ves are ava i l able with electrica c t u ators only.
Caution:Freezer protection required for fluid temperature below 32ºF (0ºC)
Caution: Fittings and piping schedules must meet or exceed working static pres -sure requirements.
Caution: Freezer protection required for fluid temperature below 32ºF (0ºC)
Caution: Fittings and piping schedules must meet or exceed working static pres -sure requirements.
3 -1 7
Valve Actuators
The three classes of a c t u ators that are suitable for use on our va l ves are linear stro ke hydraulic a c t u at o r s, linear stro ke electric actuators and rotary stro ke electric actuat o r s.
Linear Stroke Hydraulic Actuators
Linear stro ke hydraulic actuators such as the modelEA81 are an excellent choice for smaller size va l ve s,up to 2 inch e s. They can be applied to either stem-upopen or stem-up closed va l ve bodies. The spring load-ing sets the va l ve to the stem-up position.
Linear Stroke Electric Actuators
Linear stro ke electric actuators such as our CEap p roved MF-63000 series mount dire c t ly on the va l veb o dy. No linkage is re q u i red for va l ves of 2 inch orsmaller size. These are fl o ating control units that stayin position when power is re m oved. The MF-63123 canbe conve rted to full pro p o rtional control with the addi-tion of a plug-in analog input board .
Rotary Stroke Box Style Actuators
Rotary stro ke actuators such as our cUL ap p roved EAseries box style units are the most common fo rm usedfor va l ve s. The rotary action is conve rted to a linears t ro ke by the linkage kit. Only actuators with a 180°s t ro ke can be used. These actuators must be coupled to a stem-up open va l ve body. Attempting to use thesewith stem-up closed va l ve bodies will result in phy s i-cal damage.
Linear strokehydraulic actuator
Linear stroke electric actuator
Rotary stroke box styleactuators
3 -1 8
VALVES
Selection of Actuator
The actuators in the selection table below may beused on va l ve assembl i e s. For details on the actuat o rs p e c i f i c at i o n s, consult the actuator section of t h i sc at a l og All actuators may be ord e red as componentsand assembled to the va l ve body component using the ap p ro p r i ate linkage kit component. Howeve r,a c t u ators with a three-digit Actuator code below mayalso be ord e red as complete va l ve assembl i e s. Th o s ea c t u ators are identified as part of an ava i l able fa c t o-ry assembly by using the (1) three digit Actuator codein place of the “000” and (2) the Control Fo rm codefor an assembled va l ve in place of the “VB” (va l veb o dy only) code in the complete va l ve assemblymodel code.
In the table the Control Fo rm defines the kind ofc o n t rol action the actuator will exe c u t e. Other than“VB”, this Control Fo rm will only ever appear in theva l ve model code in the case of complete factory va l vea s s e m bl i e s.
The table also provides important specifications to help select the correct actuator for an ap p l i c at i o n .These specifications include actuator torque (in-lb) or fo rce (lb) and travel time in sec.
A c t u ators may use diff e rent linkage kits, depending on the va l ve body to wh i ch the actuator is coupled. Th eava i l able linkage kits for a particular combination ofva l ve body and actuator is defined in the Va l veA s s e m bly Tables commencing on page 3–27.
ACTUATOR SPRING CONTROL ACTUATOR TORQUE IN-LB TRAVELFORM CODE (FORCE LB) TIME (SEC)
EA12 (N.O.) SR VA 321 60 20
EA12 (N.C.) SR VA 322 60 20EA31 NSR VC 417 220 30EA31 with AV-352(2) NSR VC 465 220 30EA42 SR VP(3) 317 50 90
EA44 SR VP(3) 318 50 90EA52 NSR VP(3) 60 25 adj.EA52-A0370-003 NSR VS 60 25 adj.EA54 NSR VP(3) 60 25EA54-A0370-003 NSR VS 60 25
EA56 NSR VP(3) 220 80EA56-A0370-003 NSR VS 220 80 adj.EA56 with AV-352(2) NSR VP(3) 220 80 adj.EA56-A0370-003 with AV-352(2) NSR VS 220 80 adj.
EA58 NSR VP(3) 423 220 80EA58-A0370-003 NSR VS 220 80EA58 with AV-352(2) NSR VP(3) 466 220 80EA58-A0370-003 with AV-352(2) NSR VS 220 80
EA76 NSR VP(3) 952 1300 115EA76-A0370-003 NSR VS 1300 115EA81-1106 SR VS 268 15 60MF-63103 NSR VF 301 (210(1)) 120
MF-63123-500 (w/MFC-420 or MFC-8000) NSR VS (210(1)) 120
ACTUATOR SELECTION TABLE
Valve Actuators
(1) Force in pounds.(2) AV-352 is a unique linkage kit. A separate actuator code is required for a factory assembly using the AV- 3 5 2 .(3) VP Control Form can accomodate floating control if slidewire feedback is ignored.
3 -1 9
Valve Actuators—Ambient Temperature Restrictions
Valve Bodies Actuator Ambient Max. Fluid Temperature Temperature
VB-7211-000-3-PP
VB-7221-000-4-PP
VB-7212-000-4-PP 140°F 140°F
VB-7222-000-4-PP
VB-7213-000-4-PP
VB-7223-000-4-PP EA81
VB-7214-000-4-PP
VB-7224-000-4-PP
VB-7312-000-4-PP 103°F 281°F
VB-7313-000-4-PP
VB-7314-000-4-PP
VB-7323-000-4-PP
Valve Bodies Actuator Ambient Max. Fluid Temperature Temperature
VB-7253-000-4-PP EA81 140°F 140°F
VB-7263-000-4-PP 93°F 340°F
Valve Bodies Actuator Ambient Max. FluidTemperature Temperature
VB-7273-000-4-PP EA81 140°F 140°F
VB-7283-000-4-PP 88°F 366°F
Valve Bodies Actuator Ambient Max. Fluid Temperature
VB-9213-000-5-PP EA76 130°F 260°F
VB-9313-000-5-PP EA76-A 125°F 281°F
3 -2 0
VALVES
Valve Actuators—Ambient Temperature Restrictions
Valve Bodies Actuator Ambient Max. Fluid Temperature Temperature
VB-7211-000-3-PP
VB-7221-000-4-PP EA12
VB-7212-000-4-PP EA31
VB-7222-000-4-PP EA42
VB-7213-000-4-PP EA42-A 136°F 260°F
VB-7223-000-4-PP EA44
VB-7214-000-4-PP EA44-A
VB-7224-000-4-PP EA52
VB-7312-000-4-PP EA52-A
VB-7313-000-4-PP EA54
VB-7314-000-4-PP EA54-A
VB-7323-000-4-PP EA56 125°F 281°F
VB-9213-000-4-PP EA56-A
VB-9213-000-5-PP EA58
VB-9223-000-4-PP EA58-A
VB-9223-000-5-PP
Valve Bodies Actuator Ambient Max. Fluid Temperature Temperature
EA12/EA31
EA42/EA42-A 136°F 260°F
VB-7253-000-4-PP EA44/EA44-A
VB-7263-000-4-PP EA52/EA52-A
EA54/EA54-A
EA56/EA56-A 100°F 340°F
EA58/EA58-A
Valve Bodies Actuator Ambient Max. Fluid Temperature Temperature
EA12, EA31
EA42/EA42-A 136°F 260°F
VB-7273-000-4-PP EA44/EA44-A
VB-7283-000-4-PP EA52/EA52-A
EA54/EA54-A
EA56/EA56-A 100°F 366°F
EA58, EA58-A
3 -2 1
Valve Bodies Actuator Ambient Max. FluidTemperature Temperature
VB-7211-000-3-PP
VB-7221-000-4-PP
VB-7212-000-4-PP
VB-7222-000-4-PP
VB-7213-000-4-PP 140 260°F
VB-7223-000-4-PP
VB-7214-000-4-PP MF-63103
VB-7224-000-4-PP MF-63123
VB-7312-000-4-PP
VB-7313-000-4-PP
VB-7314-000-4-PP
VB-7323-000-4-PP 125°F 281°F
VB-9213-000-4-PP
VB-9213-000-5-PP
VB-9223-000-4-PP
VB-9223-000-5-PP
Valve Bodies Actuator Ambient Max. Fluid Temperature Temperature
VB-7253-000-4-PP MF-63103 140°F 260°F
VB-7263-000-4-PP MF-63123 100 340°F
Valve Bodies Actuator Ambient Max. Fluid Temperature Temperature
VB-7273-000-4-PP MF-63103 140°F 260°F
VB-7283-000-4-PP MF-63123 100 366°F
Valve Actuators—Ambient Temperature Restrictions
BC 3 Valves 4/13/01 2:15 PM Page 21
3 -2 2
VALVES
Valve Close-Off Pressure Tables
E very va l ve assembly has a finite ability tocl o s e - o ff against inlet pre s s u re, the pre s s u re ofthe controlled fluid at the inlet of the va l ve body.The fo l l owing tables list the maximum pre s s u reat wh i ch each va l ve body actuator combinat i o nis rated. Note that these values are not the re c-
Close-off pressure rating for valves with rotary actuators rated at 50 or 60 in-lb of torque (psig)This table lists the rated maxi-mum cl o s e - o ff p re s s u re in psigfor va l ves with rotary box stylea c t u ators that have 50 to 60 in-lbso f t o r q u e. Note: The diffe re n t i a lp re s s u re across the valve wh e nclosed off i s, in nearly all cases,equal to the absolute inlet pre s-s u re. The fo l l owing actuators arein this gro u p :
E A 1 2
E A 4 2 E A 4 2 - A
E A 4 4 E A 4 4 - A
E A 5 2 E A 5 2
E A 5 4 E A 5 4 - A
ommended operating pre s s u re s. High diff e re n-tial pre s s u re across the va l ve body may result ine xc e s s ive cav i t ation of the va l ve seat, eve nthough it does not exceed the cl o s e - o ff p re s s u rer ating listed here. Please refer to the section onc av i t ation limitations in the va l ve sizing sectiono f this cat a l og, page 3–39.
BC 3 Valves 4/13/01 2:15 PM Page 22
3 -2 3
This table lists the rated maximumcl o s e - o ff p re s s u re in psig for va l ve swith rotary box style actuators thath ave 220 in-lb of t o r q u e. Note: Th ed i f fe rential pre s s u re across the valvewhen closed off i s, in nearly all cases,equal to the absolute inlet pre s s u re .The fo l l owing actuators are in thisgro u p
Close-off pressure rating for valves with rotary actuators rated at 220 in-lb of torque and AV-352 linkage kits (psig)
This table lists the rated maximumcl o s e - o ff p re s s u re in psig for va l ve swith rotary box style actuators thath ave 220 in-lb of torque and an AV-352 linkage kit. Note: The diffe re n t i a lp re s s u re across the valve when cl o s e do f f i s, in nearly all cases, is equal tothe absolute inlet pre s s u re. The fo l-l owing actuators are in this gro u p
E A 3 1
E A 5 6 E A 5 6 - A
E A 5 8 E A 5 8 - A
Valve Close-Off Pressure Tables
BC 3 Valves 4/13/01 2:15 PM Page 23
3 -2 4
VALVES
Valve Close-Off Pressure Tables
Close-off pressure rating for valves with rotary actuators rated at 1300 in-lb of torque (psig)This table lists the rated maximumcl o s e - o ff p re s s u re in psig for va l ve swith actuators that have 1300 in-lb oft o r q u e. Note: The diffe rential pre s s u rea c ross the valve when closed off i s, inn e a rly all cases, equal to the ab s o l u t einlet pre s s u re. The fo l l owing actua-tors are in this gro u p :
E A 7 6 E A 7 6 - A
This table lists the rated maximumcl o s e - o ff p re s s u re in psig for va l ve swith linear stro ke actuators that have210 lb of fo rc e. Note: The diffe re n t i a lp re s s u re across the valve when cl o s e do f f i s, in nearly all cases, equal to theabsolute inlet pre s s u re. The fo l l ow i n ga c t - u ators are in this gro u p
This table lists the rated maximumcl o s e - o ff p re s s u re in psig for va l ve sused with the EA81 linear stro kehydraulic actuat o r. Note: The diffe r-ential pre s s u re across the valvewhen closed off i s, in nearly allc a s e s, equal to the absolute inletp re s s u re.
Close-off pressure rating for valves with hydraulic actuator (psig)
Valve Close-Off Pressure Tables
BC 3 Valves 4/13/01 2:13 PM Page 25
AV-358
The AV-358 linkage for electrica c t u ators is for use with theEA76/EA76-A actuators on 5"and 6" va l ve bodies.
AV-611
The AV-611 linkage may beused to couple the EA81hydraulic actuator to 1/2"t h rough 1-1/4" va l ve bodies. When using the AV- 6 1 1in steam ap p l i c ations only, mount the actuator ab ovethe va l ve body at 45° from ve rtical. In hot wat e rap p l i c at i o n s, mount thea c t u ator ab ove the cen-t e rline of the va l ve body
AV-672
The AV-672 linkage couplesthe MF-63000 series of e l e c-tric actuators to 2-1/2"t h rough 4’ va l ve bodies.
AV-329 and AV-330
The AV-329 linkage kit is used to couple 50-60 in-lb actuators (EA12,EA42/42A, EA44/44A, EA52/52A, EA54/54A) and theAV-330 is used to couple 220 in-lb actuators (EA31.EA56/56A, EA58/58A) to 2-1/2” and 3” d ive rting va l ve s.
3 -2 6
VALVES
Linkage Kits
Most Actuators re q u i re linkage kits to couple them tothe va l ve bodies. This is part i c u l a rly true of the boxstyle actuat o r s. Selecting the proper linkage kit iscritical to ensure proper operation. Physical damageto the va l ve may occur with the wrong linkage. Alll i n k age kits are mounted in any upright position withthe actuator ab ove the centerline of the va l ve body .
AV-39X Series
The AV-391-000-0-01 diecast aluminum link-age with indication isintended for actuat o r swith 50 to 60 in-lb ofava i l able torque. Useit with EA12,E A 4 2 / E A 4 2 - A ,E A 4 4 / E A 4 4 - A ,EA52/EA52-A, andEA54/EA54-A onva l ve bodies of 2" ors m a l l e r. The AV-395 willmount these actuators to 2-1/2" through 4" va l ve s. Th eAV-393-000-0-01 is intended for use with actuators with220- in-lb of ava i l able torque. It can be used with mod-els EA31, EA56/EA56-A and EA58/EA58-A on va l vebodies of 2" or smaller. The model AV-396 will mountthese actuators to 2-1/2" through 4" va l ve s. All AV- 3 9 Xl i n k ages may be field assembled for NO or NC opera-tion by setting cams.
AV-352
The AV-352 is a unique linkage for gear train actua-tors that provides a mechanical adva n t age to morethan double the cl o s e - o ff p re s s u re rating of s o m eva l ve assembl i e s. It can be used with 220 in-lb actua-tors to double cl o s e - o ff p re s s u re rat-ing for 2-1/2" through 4"va l ve bodies and at rat e dp re s s u re for 5"and 6" va l veb o d i e s. Use itwith the EA31,EA56/ EA56-A,and EA58/EA58-A actuat o r s.
BC 3 Valves 4/13/01 2:14 PM Page 26
3 -2 7
Valve Assembly Tables
Control Form VA, Two Position with Spring Return, Rotary Stroke Electric Actuator
Available Factory
Valve Type Valve Body A c t u a t o r 01 02 03 04 05 06 07 08-09 10-11 12-13 14 15-16
VA-9323-322-5-PP 3 Way, div VB-9323-000-5-XX EA12 AV-329
* Full part number for AV-391 must be ordered as AV- 3 9 1 - 0 0 0 - 0 - 0 1
Additional Assemblies: EA12’s with any available option may be used on the valve bodies or valve assemblies listed here - Refer to the Actuators section of this catalog for available options. EA12’s with options are not available as factory assemblies unless specifically delineated above.
Linkage Kit for Port Size PP =
Available Factory
Valve Type Valve Body Actuator 01 02 03 04 05 06 07 08-09 10-11 12-13 14 15-16
VC-9323-417-5-PP 3 Way, div VB-9323-000-5-XX EA31 AV-330 AV-330 AV-352
* Full part number for AV-393 must be ordered as AV- 3 9 3 - 0 0 0 - 0 - 0 1
Additional Assemblies EA31’s with any available option may be used on the valve bodies or valve assemblies listed here - Refer to the Actuators section of this catalog for available options.EA31’s with options are not available as factory assemblies unless specifically delineated above.
Control Form VC, Two Position without Spring Return, Rotary Stroke Electric Actuator
Linkage Kit for Port Size PP =
Color Codes Blue: Ava i l able as components for field assembly and ava i l able as factory assembl i e s, Black: Ava i l able as components for field assembly but not ava i l able as factory assembl i e s, Red: Ava i l able as components for field assembly, but not re c o m m e n d e d .
Assembly
Assembly
BC 3 Valves 4/13/01 2:14 PM Page 27
3 -2 8
VALVES
Valve Assembly Tables
Available Factory
Valve Type Valve Body Actuator 01 02 03 04 05 06 07 08-09 10-11 12-13 14 15-16
Control Form VF, Floating Control, Non-Spring Return, Linear Stroke Electric Actuator
Linkage Kit for Port Size PP =
Additional Assemblies MF-63103-500 or MF-63123-500 may be used with the valve bodies or assemblies listed here.MF-63123 or MF-63123-500 can be converted to analog input proportional control with an optional plug-in circuit board - See Control Form VS. MF-63000 Series with options are not available as factory assemblies unless specifically delineated above.
Color Codes Blue: Ava i l able as components for field assembly and ava i l able as factory assembl i e s, Black: Ava i l able as components for field assembly but not ava i l able as factory assembl i e s, Red: Ava i l able as components for field assembly, but not re c o m m e n d e d .
Assembly
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3 -2 9
Control Form VP, Proportional Control with Slidewire Feedback, Rotary Stroke ActuatorsSection 1, valves with spring return actuators
Available Factory
Valve Type Valve Body Actuator 01 02 03 04 05 06 07 08-09 10-11 12-13 14 15-16
VP-9323-318-5-PP 3 W, div, SU VB-9323-000-5-XX EA44 AV-329
* Full part number for AV-391 must be ordered as AV- 3 9 3 - 0 0 0 - 0 - 0 1
Linkage Kit for Port Size PP =
Additional Assemblies: EA42'sand EA44's with any available option may be used on the valve bodies or valve assemblies listed here - Refer to the Actuators section of this catalog for available options. EA42's and EA44's with options are not available as factory assemblies unless specifically delineated above.
Valve Assembly Tables
Color Codes Blue: Ava i l able as components for field assembly and ava i l able as factory assembl i e s, Black: Ava i l able as components for field assembly but not ava i l able as factory assembl i e s, Red: Ava i l able as components for field assembly, but not re c o m m e n d e d .
Assembly
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3 -3 0
VALVES
Valve Assembly Tables
Control Form VP, Proportional Control with Slidewire Feedback, Rotary Stroke ActuatorsSection 2, valves without spring return actuators
Available Factory
Valve Type Valve Body Actuator 01 02 03 04 05 06 07 08-09 10-11 12-13 14 15-16
3 Way, div VB-9323-000-5-XX EA56 AV-330 AV-352 AV-352
. . . Continued on next page
Color Codes Blue: Ava i l able as components for field assembly and ava i l able as factory assembl i e s, Black: Ava i l able as components for field assembly but not ava i l able as factory assembl i e s, Red: Ava i l able as components for field assembly, but not re c o m m e n d e d .
Linkage Kit for Port Size PP =Assembly
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3 -3 1
Valve Assembly Tables
Control Form VP, Proportional Control with Slidewire Feedback, Rotary Stroke ActuatorsSection 2, valves without spring return actuators
Available Factory
Valve Type Valve Body Actuator 01 02 03 04 05 06 07 08-09 10-11 12-13 14 15-16
1. Full part number for AV-391 must be ordered as AV-391-000-0-01, 2. Full part number for AV-393 must be ordered as AV- 3 9 3 - 0 0 0 - 0 - 0 1
Linkage Kit for Port Size PP =
Additional Assemblies EA5x or EA76 with any available option may be used on the valve bodies or valve assemblies listed here Refer to the Actuator Section of this catalog for available options.EA5x or EA76 with options are not available as factory assemblies unless specifically delineated above.
Color Codes Blue: Ava i l able as components for field assembly and ava i l able as factory assembl i e s, Black: Ava i l able as components for field assembly but not ava i l able as factory assembl i e s, Red: Ava i l able as components for field assembly, but not re c o m m e n d e d .
Assembly
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VALVES
Valve Assembly TablesControl Form VS, Proportional Control with Analog Input, Rotary and Linear Stroke Actuators
Section 1 - 2-way valves with spring return actuators, NO and NCSection 1 - 3-way valves with spring return actuators, mixing and diverting, stem-up and stem-down
Available Factory
Valve Type Valve Body Actuator 01 02 03 04 05 06 07 08-09 10-11 12-13 14 15-16
VS-7323-268-4-PP 3W, div VB-7323-000-4-XX EA81 AV-611 AV-611 AV-611 AV-611
* Full part number for AV-391 must be ordered as AV- 3 9 1 - 0 0 0 - 0 - 0 1
Linkage Kit for Port Size PP =
Additional Assemblies EA42-A , EA44-A and EA81 with any available option may be used on the valve bodies or valve assemblies listed here. Refer to the Actuator Section of this catalogfor available options. EA42-A, EA44-A or EA-81 with options are not available as factory assemblies unless specifically delineated above.
Color Codes Blue: Ava i l able as components for field assembly and ava i l able as factory assembl i e s, Black: Ava i l able as components for field assembly but not ava i l able as factory assembl i e s, Red: Ava i l able as components for field assembly, but not re c o m m e n d e d .
Assembly
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3 -3 3
Valve Assembly Tables
Control Form VS, Proportional Control with Slidewire Feedback, Rotary Stroke Actuators
Section 2 - valves with non-spring return actuators
Available Factory
Valve Type Valve Body Actuator 01 02 03 04 05 06 07 08-09 10-11 12-13 14 15-16
3 Way, div VB-9323-000-5-XX EA58-A AV-330 AV-352 AV-352
3 Way, mix VB-9313-000-5-XX EA76-A AV-358
1 Full part number for AV-391 must be ordered as AV- 3 9 1 - 0 0 0 - 0 - 0 12 Full part number for AV-393 must be ordered as AV- 3 9 3 - 0 0 0 - 0 - 0 1
Control Form VS, Proportional Control with Analog Input, Rotary Stroke Actuators
Section 2 - valves with non-spring return actuators (Continued...)
Assembly
Additional Assemblies EA5x with any available option may be used on the valve bodies or valve assemblies listed here Refer to the Actuator Section of this catalog for available options.EA5x’s with options, however, are not available as factory assemblies unless specifically delineated above.
Color Codes Blue: Ava i l able as components for field assembly and ava i l able as factory assembl i e s, Black: Ava i l able as components for field assembly but not ava i l able as factory assembl i e s, Red: Ava i l able as components for field assembly, but not re c o m m e n d e d .
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3 -3 5
Valve General Information
Flow CurvesFl ow curves shown below are rep re s e n t at ive of a l ls i ze s.
All va l ve plugs have lower gain when nearly closed toenhance control at low demand. Mixing and dive rt i n gva l ves are nominally linear. Sep a r ate curves shown fo r“A” or “B” ports are not dire c t ly additive. Total fl owwith both ports contributing is rated C
V.
T wo - w ay va l ves with brass trim are nominally equalp e rc e n t age in the composition disc types and norm a l lyused for water and low pre s s u re steam.
T wo - w ay va l ves with stainless trim are nominally lin-ear in the TFE and metal-to-metal disc types, and nor-m a l ly used for higher temperat u re water and steam.
Nominal Size Port Code (P) Nominal Ratio
Standard Metric
1/2” 15 mm 01 05:102 15:103 25:104 40:1
3/4” 20 mm 05 50:106 60:1
1” 25 mm 07 60:108 75:1
1-1/4” 32 mm 09 75:1
1-1/2” 40 mm 10 75:1
2” 50 mm 11 75:1
2-1/2” 65 mm 12 75:1
3” 80 mm 13 75:1
4” — 14 75:1
5” — 15 75:1
6” — 16 75:1
Rangeability
R a n ge ability is defined as the ratio of r ated tominimum contro l l able fl ow.
For mixing and dive rting va l ve s, control beg i n sas soon as plug displacement allows fl ow. Th u s,t h re e - w ay va l ve range ability norm a l ly exc e e d s500:1, wh i ch is the re c i p rocal of 0.2% nominall e a k age.
For two - w ay va l ve s, modulation occurs wh e nplug displacement allows fl ow through the are ab e t ween the plug and the port. The range ab i l i t yvalue is ach i eved by accurat e ly machining theplug and port diameters for ap p ro p r i ate cl e a r-a n c e. The fo l l owing are normal va l u e s, with 25%t o l e r a n c e s.
TABLE 8. Two-way Valve Rangeability.
BC 3 Valves 4/13/01 2:14 PM Page 35
Guidelines
To maintain non-damaging conditions, the systemshould be cleaned prior to start - u p. Filtration equip-ment should be used wh e re needed, and reg u l a rlys cheduled program of w ater condition monitoringand/or tre atment should be fo l l owe d .
C o n t rol va l ve operation should be stable and nothunt at any time. Exc e s s ive stroking of the va l vestem due to improper system setup can result in pre-m at u re we a r.
C l e a n i n g . N ew systems usually contain dirt, solderflux, and weld and pipe scale. Th o rough fl u s h i n gwith a 1% to 2% solution of trisodium phosphat eand rinsing is re c o m m e n d e d .
Wet Storage . I f the system is stored wet, it shouldbe completely filled with pro p e rly tre ated water andi s o l ated to avoid slow leaks wh i ch can contribute toserious corrosion pro bl e m s.
Dry Storage. If drained, the system should be airdried, sealed, and tre ated with a desiccant to preve n tatmospheric corrosion of pipes – a major source ofpipe scale. Pipe scale is dried rust wh i ch will slougho ff the pipe walls as ab r a s ive part i cles and migr at et h rough the system.
S t rainers and Filters. Many closed systems haves l ow leaks or seep age, resulting in water loss with-out part i c u l ate re m oval. Consequently, part i c u l at esolids often build up in those systems, resulting ind ep o s i t s. In open systems like cooling towe r s, part i c-u l ate solid build-up is not as common because con-t i nuous bl owd own is used to re m ove solids from thes y s t e m .
Side stream filtration is often needed in closed sys-tems because there is no regular bl owd own tore m ove pipe scale, sand, grit, and other ab r a s ive ors t i cky part i c u l ate mat t e r. Abrasive part i cles mustnot be allowed to circ u l ate through the system.
To determine whether a filtration system isre q u i red, perfo rm a visual inspection of the wat e r.Flush a line with turbulence to assure that a rep re-
Valve Packing Life
Va l ve packings are designed to provide manyyears of useful life befo re they must be rep l a c e d .The actual life, under the standard specified con-d i t i o n s, will vary depending on the fre q u e n cy ofva l ve cycle and the condition of the fluid con-t rolled. The more fre q u e n t ly the va l ve is cycl e dand the more contaminated the fluid is with dirtand harsh ch e m i c a l s, the shorter the life of t h ep a ck i n g
Water System Guidelines
All heating and cooling systems are suscep t i ble tova l ve and system pro blems caused by impro p e rw ater tre atment and system storage pro bl e m s.These guidelines are provided to help avoid va l veand water system pro blems from impro p e rlyt re ated water or storage pro c e d u res in coolingand hot water systems in cooling and hot wat e rs y s t e m s, and to obtain maximum life from theva l ve s. While all cooling and heating systems ares u s c ep t i ble to pro bl e m s, closed chilled water sys-t e m s, including those containing brine or glyc o l ,a re especially prone to system and va l ve pro b-l e m s. The best way to avoid pro blems is to fo l l owthe advice of a professional water tre atment andc o n t rol specialist.
Leak Preve n t i o n . D u r ability of va l ve stems and packing is dependent on maintaining non-d a m aging water conditions. Inadequate wat e rt re atment or filtration, not in accordance with the re c o m m e n d ations of a qualified water tre at-ment specialist or the ASHRAE handbook, canresult in corrosion, scaling, or ab r a s ive part i cl efo rm ation. Scale and corrosion products canm i gr ate from pipe walls to control va l ve s, re s u l t-ing in stem and packing scrat ch e s, and cana dve r s e ly affect packing life and other parts ofthe hyd ronic system. This condition can be avoided by the use of p roper cleaning, tre at m e n tch e m i c a l s, and storage pro c e d u re s.
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VALVES
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3 -3 7
Guidelines
s e n t at ive water sample is collected and observe thet u r b i d i t y. Let the water settle for five minutes andinspect for part i c u l ate that has dropped out.
I f chip scale and part i c u l ate are found in circ u l a-tion, install some type of f i l t r ation device such as a“Y” strainer, a cart r i d ge filter, and automatic back-washing side stream sand filter, or a chemical potfeeder packed with ch e e s e cloth that can be rep l a c e dp e r i o d i c a l ly. Backwashing sand filters (sized at 1%to 3% of system circ u l ation rate) are often a goodchoice because they are simple, inexpensive, ande ff e c t ive.
Lines carrying water to and from the filtration sys-tem should be sized for high fl ow rates to makes u re the part i c u l ate matter is carried into the filtra-tion system.
F i l t r ation is often necessary when chemical tre at-ment is started in a system wh i ch has not prev i o u s-ly been ch e m i c a l ly tre ated. The tre atment often dis-l o d ges old deposits wh i ch then migr ate to heate xch a n gers and va l ves unless re m oved by filtra-t i o n .
B e fo re installing a sophisticated filtration system,m a ke sure strainer baskets are emptied reg u l a rly.Also make sure the baskets have not been perm a-n e n t ly re m oved – a common practice when they fillup quick ly and too much wo rk is re q u i red to ke epthem cl e a n .
B e fo re installing filters or strainers in systems con-taining glycol, consult the glycol vendor for pro p e rt y p e.
Chemical Water Tr e atment. I f the make - u pw ater hardness is gre ater than 300 ppm as calciumc a r b o n at e, the water should be softened or a tre at-ment should be used that contains a polymeric dis-persant material wh i ch fo rms a soft sludge insteado f a l l owing the fo rm ation of h a rd scales.
M a ke-up water iron should be less than 1.0 ppm.M a n ganese should be less than 0.5 00 ppm (0.05ppm if the system has significant leakage). Ifnot, an iro n / m a n ganese re m oval system or a n ew water source should be used.
Water tre atment control addresses four pro bl e ma reas: corrosion, scale, deposition, and bacteria.For control, a nitrite or moly b d ate based progr a mis typically used in conjunction with testing andm o n i t o r i n g .
The corrosion control program most commonlyused is 600 to 1220 ppm sodium nitrite or 100 to300 ppm moly b d at e, at a pH of 9.5 to 10.5. Incl u d ea copper corrosion inhibitor such as To ly t r i a z o l( T TA) or Benzotriazole (BZT) since uncontro l l e dcopper corrosion can lead to corrosion of s t e e l .
Note – The addition of g lycol, especially automo-t ive antifre eze, does not assure corrosion pro t e c-tion. Refer to the manu fa c t u re r ’s literat u re fo rspecific re q u i re m e n t s, including concentrat i o n sand materials of c o n s t ru c t i o n .
C o n t rol of bacteria is important because bacteriacan break down the nitrites. The level of b a c t e r i ashould be kept at less than 10,000 CFUs (colonyfo rming units) per ml of w at e r. Fo l l ow your sup-p l i e r ’s instructions for bacterial contro l .
O p e r ate your chemical tre atment program withinthe guidelines set by your water tre atment suppli-e r. Monitor results monthly, sw i t ching to we e k lyi f p ro blem resolution is necessary.
Control Loop Operat i o n. Va l ves should not beove r s i zed. Set the control system operating para-meters so that hunting does not occur, even atlight load conditions such as Fall, Spring, andm o rning operation. Va l ves wh i ch cycle often orc o n t i nu o u s ly re q u i re a preve n t ive maintenancep rogram to replace wo rn part s.
BC 3 Valves 4/13/01 2:14 PM Page 37
Valve Sizing Information For Water
GENERAL INFORMATION REQUIRED
1 . Fluid contro l l e d :
• Chilled wat e r, hot wat e r, or steam.
2 . Te m p e r at u re limitat i o n s :
• Fluid, maximum, and minimum.• Ambient for actuat o r.
3 . P re s s u re :
• S t at i c.• C l o s e - o ff - Fully cl o s e d .• D i ff e rential - Pre s s u re drop across the va l ve
in the fully open position.
4 . End fitting:
• Union end.• Globe screwe d .• Fl a re d .• Fl a n ge d .• Fl a n ge l e s s.
5 . For re t u rn to a known position (i.e., norm a l ly openor norm a l ly closed): Specify spring re t u rn actuat o r.
6 . Dimensional dat a .
7 . CV
( fl ow coefficient) re q u i rement is calculated f rom fl ow rate and diff e rential pre s s u re. Refer to fo rmulas and tabl e s.
For additional sizing and selection back ground info r-m ation, contact the fa c t o r y :
RECOMMENDED PRESSURE DROPS FOR WAT E R
Refer to specific va l ve data in this cat a l og for maxi-mum allow able pre s s u re drops and cl o s e - o ff r at i n g s.
A. Two-Position Valves
T wo-position va l ves are norm a l ly selected “line size” to ke ep pre s s u re drop at a minimum. The diff e re n t i a lp re s s u re in psi should be no more than 10% of ava i l-able inlet pre s s u re in psia.
B. Proportional Two-Way Valves
These are usually selected to take a pre s s u re dro pequal to at least 50% of the “ava i l able pre s s u re” ( i . e., the pump pre s s u re diff e rential ava i l able betwe e ns u p p ly and re t u rn mains with design fl ow at the va l ve
3 -3 8
VALVES
l o c ation). As “ava i l able pre s s u re” is often difficult to c a l c u l at e, the normal pro c e d u re is to select the va l veusing a pre s s u re drop at least equal to the drop in thecoil or other load being controlled (exc ept wh e re smallbooster pumps are used), but never less than 5 psi (34k Pa ) .
When design temperat u re drop is less than 60ºF (33ºC)for conventional heating systems, higher pre s s u red rops across the va l ve are needed for good contro lre s u l t s. Refer to the fo l l owing tabl e.
Conventional Heating Systems
Design Temp. Drop Recom. Pressure Dropa Multiplier on
ºF (ºC) (% of Available Pressure) Load Drop
60 (33) or more 50% 1 x load drop
40 (22) 66% 2 x load drop
20 (11) 75% 3 x load drop
aRecommended minimum pressure drop - 5 psi (34 kPa).
Secondary Circuits with Small Booster Pumps
50% of Ava i l able Pre s s u re Diff e rence (Equal to drop t h rough load, or 50% of booster pump head)
C. Proportional Three-Way Valves
Recommended Pre s s u re Drop - Bypass Ap p l i c at i o n :50% of “ ava i l able pre s s u re”, or equal to pre s s u re d rop through the load at full fl ow.
Th re e - w ay va l ves in the re t u rn used to control heat output by throttling water fl ow to the load (by p a s sap p l i c ations) are controlling output in the same man-ner as throttling two - w ay va l ve s, and must be selectedusing the same high pre s s u re drops if good contro lresults are to be obtained.
Recommended Pre s s u re Drop - Constant Fl owAp p l i c ations: 20% of “ ava i l able pre s s u re”, or equal to1/4 of the pre s s u re drop through the load at full fl ow.
Th re e - w ay va l ves used with individual pumps to c o n t rol heat output by varying water temperat u re to the load (constant fl ow ap p l i c ations) are controlling output by mixing two water sources at diff e rent t e m p e r at u re s, and do not re q u i re high pre s s u re d rops for good control re s u l t s.
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3 -3 9
Valve Sizing Information For Water
In most cases the re q u i red CV
falls between two va l ves i ze s. If the pre s s u re drop of the smaller is accep t-able for the ap p l i c ation, select the smaller va l ve.
CAVITATION LIMITATIONS ON VALVE PRES-SURE DROP
A va l ve selected with too high a pre s s u re drop cancause erosion of discs and/or wire drawing of t h es e at. In addition, cav i t ation can cause noise, damageto the va l ve trim (and possibly the body) and ch o kethe fl ow through the va l ve.
Do not exceed the maximum diff e rential pre s s u re( p re s s u re drop) for the va l ve selected.
The fo l l owing fo rmula can be used on higher temper-at u re water systems, wh e re cav i t ation could be ap ro blem, to estimate the maximum allow able pre s-s u re drop across the va l ve : Pm = 0.5 (P1 - Pv)
Pm = Maximum allow able pre s s u re dro pP1 = Absolute inlet pre s s u re (psia)Pv = Absolute vapor pre s s u re (refer to Vapor P re s s u re of Water Table or Steam Tabl e )
Note: Add 14.7 psi to ga u ge supply pre s s u re to obtainabsolute pre s s u re va l u e.
For example, if a va l ve is controlling 200ºF water atan inlet pre s s u re of 18 psig, the maximum pre s s u red rop allow able would be:
Pm = 0.5 [(18 + 14.7) - 11.53] = 10.6 psi( Vapor pre s s u re of 200ºF water is 11.53 psi)
I f the pre s s u re drop for this va l ve is less than 10.6psi, cav i t ation should not be a pro bl e m .
Systems wh e re cav i t ation is shown to be a pro bl e mcan sometimes be redesigned to provide lower inletve l o c i t i e s. Va l ves having harder seat materials shouldbe furnished if inlet velocities cannot be lowe re d .
CV
(FLOW COEFFICIENT) DETERMINATION
The Water Va l ve Sizing Table or Slide Rule (refer tothe fo l l owing page) is based on the fo l l owing fo rm u l a:
CV= GMP or C
V= GMP specific gr av i t y
∆ P ∆ P
W h e re: CV
= Coefficient of fl ow
CV
is defined as the fl ow in GPM with ∆P = 1 psiGPM = US gallons per minute (60ºF, 15.6ºC)∆P = Diff e rential pre s s u re in psi (pre s s u re dro p )
Other fo rms of this fo rmula are :
∆P= (GPM/CV)2 a n d
G M P = CV
∆ P
These fo rmulas can be used to calculate one ofthe three quantities if the other two are know n .
Fl ow coefficients (CV’s) for va l ve bodies are given
on va l ve specification pages of this cat a l og .
Metric (SI) Units
KV S
is defined as the fl ow in m3/h with ∆P = 100 kPa(1.0 Bar) with the va l ve completely open.
Fl ow is calculated using the fo l l owing fo rm u l a :
m3/h = KVS
∆ P W h e re :
∆P = Diff e rential pre s s u re (pre s s u re drop) in Bar (1 Bar = 100 kPa )m3/h = Cubic meters/hour (15.6 °C)
P re s s u re drop is calculated using the fo l l owing fo rmo f the ab ove fo rm u l a :
∆P= (m3/ h )2
(KV S
)2
These fo rmulas can be used to calculate one of t h et h ree quantities if the other two are know n .
Vapor Pressure of Water Table.Water Vapor Water Vapor
1-5/8"Pump Wrench to mount linkage kits to VB-7000 series valve bodies(Service wrench with 9/32" thick head available in tool supply stores) TOOL-37
Packing Wrench to install new packing on an RYB series repair kit (Custom product not available elsewhere) TOOL-20-1
Cartridge and packing assembly for VB-7000 series valve bodies(Included in RYB-700 series repair kits) YBA-622-1
Packing Kit for VB-9213 and VB-9313 valve bodies (Included in RYB-900 series repair kits) YBA-651-1
BC 3 Valves 4/13/01 2:14 PM Page 50
3 -5 1
Selecting a va l ve is not an exact science with firmru l e s, but rather a collection of g u i d e l i n e s, operat i n glimits and ch o i c e s. The customer is encouraged tobecome familiar with the various selection criteria,t e chnical data and specifications found in this cat a-
Step 3: Determine the CV
and confirm theflow rate capacity
The specification table for the VB-7213 on page 3–10s h ows that a 1-1/2" va l ve has a Po rt code of 10 and aC
Vo f 30.
The va l ve-sizing table for water on page 3–40 may beused. Consult the recommended pre s s u re drops fo rw ater across a two-position va l ve on page 3–38. Its t ates that no more than 10% of the ava i l able pre s-s u re should be dropped across the va l ve when fullyopen. For an inlet pre s s u re of 20 psig (34.7psia), thed i ff e rential pre s s u re across the va l ve should be nom o re than 3.5 psi. According to the va l ve-sizing tabl efor water on 3–40, the water fl ow capacity is interp o-l ated to be 56 gpm for a diff e rential pre s s u re of 2 psiand a C
Vo f 30. This more than meets the re q u i re-
ment for 22 gpm re q u i red ab ove. The VB-7213 is con-f i rmed as a good choice for this ap p l i c at i o n .
Step 4: Determine the Control Form andactuator
The model number bre a kout on page 3–3 indicat e st h at on-off c o n t rol with spring re t u rn is Contro lFo rm code “VA”, wh i ch is discussed in more detailon page 3–5. The actuator selection table on page3–18 indicates that the EA12 actuator should be used.
Step 5: Confirm the actuator environmentalcharacteristics
The ambient temperat u re ch a rt for the VB-7213va l ve body with the EA12 actuator is on page 3–20. It shows that the re q u i rements for 105ºF ambientt e m p e r at u re and 85ºF fluid temperat u re are we l l
Valve Selection Examples
Step 1: List the requirements
A customer has an ap p l i c ation for control of w at e rfl ow with the fo l l owing ch a r a c t e r i s t i c s :
Fl u i d : Wat e rD e s i g n ated pipe size 1-1/2" with female pipe
t h re a d sSpecific gr av i t y 1D e s i red va l ve type 2 - Way fl ow through pat t e rnFluid temperat u re 8 5 ° FC o n t rol action O N - O F FAmbient temperat u re 1 0 5 ° FSpring action re q u i re d Spring re t u rnInlet pre s s u re 20 psigS u p p ly vo l t s 120 Va c, 60 HzRe q u i red fl ow rat e 22 gpmO p t i o n s N o n e
Step 2: Select the valve body
When determining the va l ve size for ON-OFF con-t rol, use the va l ve body with the largest C
Vr ating in
the desired pipe size. Check the selection of 2 - Wayva l ve bodies in the cat a l og on pages 3–8 thro u g h3–12 for the ones that accommodate a 1-1/2" pipe sizeand have the specified female pipe thre a d s. Since anelectric actuator is to be used, only va l ves withStem-up Open configuration may be selected. Th eva l ve bodies that meet the re q u i rements are the VB-7213, VB-7253 and VB-7273. From the va l ve bodys p e c i f i c at i o n s, it is seen that the one that most cl o s e-ly mat ches the temperat u re / p re s s u re specificat i o n sab ove is the VB-7213. Although all three will wo rk ,the VB-7213 is the best choice for the price.
l og section. The general info rm ation on pages 3–35to 3–41 should be rev i ewed prior to va l ve selection.B e l ow are three examples illustrating the principleso f va l ve selection wh i ch will assist you in under-standing the material in this cat a l og.
Example 1:
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within the maximum allow able ratings of 136ºF and 260ºF re s p e c t ive ly. This confirms we are in a safee nv i ronment.
The cl o s e - o ff p re s s u re table on page 3–22 shows thatthe EA12 can cl o s e - o ff against an inlet pre s s u re upto 60 psig. Our customer re q u i rement for 20 psiginlet pre s s u re is well within this cl o s e - o ff limit andthe EA12 is again confirmed as a good ch o i c e.
Step 6: Select the linkage kit
The va l ve assembly table for Control Fo rm VA onp age 3–27 shows that the model AV-391-000-0-01 is the proper linkage kit for a VB-7213 and an EA12.The AV-391-000-0-01 is shown on page 3–26. Note the linkage kit can be assembled for norm a l ly open or norm a l ly closed action, depending on the position of a cam.
Step 7: Order the valve
The Va l ve Assembly Table on 3–27 also shows thatthe va l ve is ava i l able as a factory assembled unit.You can order this assembly in three diff e rent way s :
As components (faster delivery and lower cost),o rder 1 each of EA12 actuat o r, AV-391-000-0-01 l i n k age kit and VB-7213-000-4-10 va l ve body.A s s e m ble the va l ve according to the instru c t i o n swith the linkage kit.
As a norm a l ly open factory assembly, order VA - 7 2 1 3 - 3 2 1 - 4 - 1 0 .
As a norm a l ly closed factory assembly, order VA - 7 2 1 3 - 3 2 2 - 4 - 1 0 .
Note that if a ny options for the EA12 are re q u i re d ,the va l ve must be ord e red as components.
VALVES
Example 2:
Step 1: List the requirements
A customer has an ap p l i c ation for the control ofsteam fl ow that re q u i res a va l ve to close during a power fa i l u re and will have the fo l l owing ch a r a c-t e r i s t i c s :
Fl u i d : S t e a mD e s i g n ated pipe size 1" with female pipe thre a d sSpecific gr av i t y 1D e s i red va l ve type 2 - Way fl ow through pat t e rnFluid temperat u re 3 0 7 ° FC o n t rol action Fl o ating contro lAmbient temperat u re 9 5 ° FSpring action re q u i re d Spring re t u rnInlet pre s s u re 60 psigS u p p ly vo l t s 120 Va c, 60 HzRe q u i red fl ow rat e 450 lb/hrO p t i o n s NEMA 4 cove r
Step 2: Select the valve body
C h e ck the selection of 2 - Way va l ve bodies in the cat-a l og on pages 3–8 through 3–12 for the ones that
a c c o m m o d ate a 1" pipe size and have the specifiedfemale pipe thre a d s. Only va l ves with Stem-upOpen configuration may be selected since an elec-tric actuator is to be used. The va l ve bodies thatmeet the re q u i rements are the VB-7213, VB-7253and VB-7273.
From page 3–41, fl o ating (or pro p o rtional contro l )o f steam ab ove 15 psig usually re q u i res that adesign target of 42% of the ava i l able absolute inletp re s s u re be dropped across the va l ve body wh e nf u l ly open. The absolute inlet pre s s u re is 60 psig +14.7 = 74.7 psia. The diff e rential pre s s u re acro s sthe va l ve should be 31.4 psi. From the va l ve speci-f i c ations on page 3–10, this diff e rential pre s s u ree xceeds the maximum diff e rential pre s s u re for theVB-7213 series. The specifications on page 3–12s h ow that both of the other va l ve bodies havestainless steel seats and a maximum allow abl ep re s s u re drop of 35 psi, wh i ch is gre ater than 42%o f the absolute inlet pre s s u re. Both va l ves areo p e r ating in a mid-range of their design specifica-t i o n s, are pro p e rly sized and have accep t able dif-f e rential pre s s u re rat i n g s. Th e re fo re exc e s s ive cav-
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i t ation will not be a pro blem with either model. Botha re also the same price. Howeve r, the VB-7273, fro mp age 3–12, may have up to 2% off - s t ate leakage.Th e re fo re, the VB-7253 is the best selection.
Step 3: Determine the CV
and confirm theflow rate capacity
The fo rmula for calculating Cv
for steam ap p l i c at i o n sis on page 3–41. For the ab ove example the calculat e dC
The VB-7253 va l ve body in a 1" pipe size has a CV
o fat least 10 according to the specification on page3–10. Remember the rules on page 3–8: “never use anove r s i ze va l ve body with fl o ating or pro p o rt i o n a lc o n t rol". For the selected va l ve, a C
Vo f 4.4 is the cl o s-
est ava i l able va l ve size and the model nu m b e rbecomes VB-7253-000-4-04. Howeve r, this C
Vis for a
1/2" pipe size va l ve body. Th e re fo re, the customerwill have to use reducing couplings to step down his1" pipe to a 1/2" size.
A c c o rding to the va l ve sizing table for steam on page3–42, for a diff e rential pre s s u re of 31.4 psi and a C
Vo f
4.4, the steam fl ow capacity is interp o l ated to be 493l b / h r. This more than meets the re q u i rement for afl ow of 450 lb/hr in the specification ab ove, andhence the VB-7253 will handle the capacity re q u i re-ment easily and is confirmed as a good choice fo rthis ap p l i c at i o n .
Step 4: Determine the control form andactuator
The specification calls for fl o ating control withspring re t u rn. The actuator selection table on page3–18 indicates that the fl o ating control actuators areall part of the MF-630000 series. Howeve r, this serieso f a c t u ators are all 24Vac units, not ava i l able asNEMA 4 and are non-spring re t u rn only. The contro lfo rm can, there fo re, not be “VF”, as described onp age 3–6.
Consulting the actuator section of the cat a l og for theEA box style actuators it will be found that the EA40series pro p o rtional actuator (Fo rm “VP”), can beo p e r ated as a fl o ating control unit if the slidew i ref e e d b a ck is not used. An EA44 will provide a norm a l-ly closed spring re t u rn on power down. An EA42 willp rovide the same fl o ating control and spring re t u rn ,but has norm a l ly open action on power down. Selectthe EA44.
The customer re q u i res NEMA 4 protection also. Th ea c t u ator section of this cat a l og confirms that there q u i rements are met by an actuator model nu m b e ro f EA44-00370-000-0-00 with control fo rm “VP”, bu tused in fl o ating control mode.
Step 5: Confirm the actuator environmentalcharacteristics
Consult the ambient temperat u re ch a rt on page 3–20for the VB-7253 to confirm the selection for ambientand fluid temperat u re s. It shows that we are we l lwithin specifications for ambient and fluid tempera-t u res for steam. The cl o s e - o ff p re s s u re table on page3–22 shows that the EA44 can cl o s e - o ff against amaximum inlet pre s s u re of 250 psig, well ab ove thespecified inlet pre s s u re of 60 psig, confirming theEA44 is a good ch o i c e.
Step 6: Select the linkage kit
The va l ve assembly table for Control Fo rm VP onp age 3–29 shows that the proper linkage kit for a VB-7253 with port code 04 and an EA44 actuator is amodel AV-391-000-0-01. Th AV-391-000-0-01 is shown onp age 3–26.
Step 7: Order the valve
The actuator has a NEMA 4 option re q u i rement. Th enote on the bottom of the table on page 3–29 indi-c ates that if the EA44 actuator has options, it is notava i l able as a factory assembly. This ap p l i c ation cano n ly be satisfied if components are ord e re d .
O rder 1 each of EA44-00370-000-0-00 actuat o r, AV- 3 9 1 -000-0-01 linkage kit and VB-7253-000-4-04 va l ve body.A s s e m ble the va l ve according to the instru c t i o n swith the linkage kit.
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VALVES
Step 1: List the requirements
A customer has a “bypass va l ve” ap p l i c ation for c o n t rol of w ater fl ow, wh i ch is not a constant fl ows i t u ation. The re q u i rements have the fo l l owing ch a r-a c t e r i s t i c s :
Fl u i d : Wat e rD e s i g n ated pipe size 4", with fl a n ge mountSpecific gr av i t y 1D e s i red va l ve type 3 - Way mixing pat t e rnFluid temperat u re 6 5 ° FC o n t rol action P ro p o rtional, 4-20mA inputAmbient temperat u re 8 0 ° FSpring action re q u i re d Non-spring re t u rnInlet pre s s u re 20 psigS u p p ly vo l t s 240 Va c, 60 HzRe q u i red fl ow rat e 750 gpmO p t i o n s NEMA 4 cove r
Retransmitting slidew i re
Step 2: Select the valve body
C h e ck the selection of 3 - Way mixing va l ve bodies inthe cat a l og on pages 3–13 through 3–16 for a fl a n ge -mount va l ve body pat t e rn in a 4" pipe size. The onlyva l ve body ava i l able that meets the re q u i re m e n t sand supports an electric actuator is the VB-9313-000-5 - 1 4 .
Step 3: Determine the CV
and confirm theflow rate capacity
From page 3–16, the selected va l ve ab ove has a CV
o f170. Refer to Section C on page 3–38 for pro p o rt i o n a l3 - w ay va l ves in bypass ap p l i c at i o n s. It says that atleast 50% of the ava i l able inlet pre s s u re should bed ropped across the va l ve body at full fl ow.
The fo rmula for calculating CV
for water ap p l i c a-tions is on page 3–39. The calculated ∆p for thisw ater fl ow ap p l i c ation is as fo l l ow s :
Inlet Pre s s u re = 20 psig + 14.7 = 34.7 psia
CV
= 170
GPM = 750 gpm
∆p = (GPM/ CV) 2 = (750/170) 2 = 19.5 psi
A pre s s u re drop of 19.5 psi is 56% of the inlet pre s-s u re (34.7 psia). This meets the criteria that at least50% of the inlet pre s s u re be dropped across theva l ve at full fl ow. This confirms that the VB-9313-000-5-14 is ideal for the ap p l i c at i o n .
Step 4: Determine the control form andactuator
The model number bre a kout table on page 3-3 indi-c ates that pro p o rtional control action with an ana-l og input (4-20mA) actuator is Control Fo rm “VS”.This is discussed in more detail on page 3–6. Th ea c t u ator selection table on page 3–18 indicates thatthe selected actuator should be one of the SeriesEA50-A or the EA76-A.
Use the pre s s u re cl o s e - o ff t ables to narrow the selec-tion. The table on 3–22 for actuators with 50/60 in-l b s. of torque shows that for this va l ve, they willclose off against only a 6 psig inlet pre s s u re. This isi n a d e q u at e, eliminating the EA52-A and the EA54-Aa c t u at o r. The upper table on page 3–23 for actuat o r swith 220 in-lbs. of torque shows a close off r ating of17 psig inlet pre s s u re. This is also inadequate ande l i m i n ates the EA56-A and EA58A with those link-age s.
The lower table on page 3–23, shows that the eitheran EA56-A or and EA58-A with 220 in-lbs. of t o r q u ecan cl o s e - o ff against 40 psig when coupled with theAV-352 linkage kit. This is more than adequate tomeet the ap p l i c ation. The cl o s e - o ff t able on page3–24 shows that the high torque EA76-A actuator isnot ava i l able for a 4" va l ve body. The actuator ch o i c ehas there fo re narrowed to an EA56-A or and EA58-Aa c t u at o r.
Example 3:
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Go to the actuator section of the cat a l og and observet h at the diff e rence between the EA56-A and EA58-Ais the speed of adjustment. The EA58-A has a fixe dt r avel time of 80 seconds. The EA56-A actuator hasan adjustable travel time between 80 and 800 seonds.Either solution is accep t abl e, depending upon cus-tomer pre f e re n c e. Assume for this example that theEA58-A is selected.
Build the actuator model nu m b e r:
E A 5 8 - A A c t u ator with built-in 4-20mAinput card .
E A 5 8 - A 0 3 1 Retransmitting slidew i re andNEMA 4 we ather resistant cove r
E A 5 8 - A 0 3 1 3 2 4 0 Va c, 60Hz motor
E A 5 8 - A 0 3 1 3 - 0 0 3 1000Ω slidew i re is re q u i red for a 4-20mA input circ u i t
Step 5: Confirm the actuator environmentalcharacteristics
Consult the ambient temperat u re ch a rt on page 3–20for the VB-9313-000-5-14. It shows that we are in a safee nv i ronment for the specified ambient and wat e rfluid temperat u re s. The EA58-A is confirmed as agood ch o i c e.
Step 6: Select the linkage kit
The va l ve assembly table for Control Fo rm VS onp age 3–34 shows that the proper linkage kit for aVB-9313 at Po rt size 14 and an EA58-A actuator is amodel AV-352. The AV-352, wh i ch doubles the allow-able cl o s e - o ff p re s s u re for the EA58-A at the 4" sizeis described on page 3–26.
Step 7: Order the valve
The va l ve assembly table on page 3–34 shows thatthis combination of va l ve body, actuator and link-age is not ava i l able as a factory assembly. It mustbe ord e red as sep a r ate components.
O rder 1 each of EA58-A0313-003 actuat o r, AV- 3 5 2l i n k age kit and VB-9313-000-5-14 va l ve body.A s s e m ble the va l ve according to the instru c t i o n swith the linkage kit.
