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Remote Bulb for Heating, Cooling, Mixing
and By-Pass Applications
Self-Operating Temperature Regulators
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B #11 v3 0448 2
Powers #11 Regulators
With Powers #11 Self-Operating Temperature
Regulators, you no longer need external power to
control your process. Just one temperature set-point
adjustment to make and the rugged, self-operating
#11 Regulator controls the flow of heating or cooling
medium and maintains a uniform temperature.
So whether you’re using processing equipment, heat
exchangers, or machinery, Powers #11 Self-Operating
Temperature Regulators are the easy solution to your
control problems.
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B #11 v3 04483
Table of Contents
Page
#11 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Component System Thermal System Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
#11 Type ST Regulators for Heating or Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
#11 Type CD Regulator for Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
#11 Type DS and DB Double Seat Regulators for High Capacity Heating or Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
#11 Type WM Water Mix Regulators for Water Mixing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Installation Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Special #11 Regulators, Optional Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Sensing Bulbs and Protective Wells . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
#11 Regulator Sizing: Valve Sizing, Maximum Operating Pressure Differential, Load Calculations. . . . . . . . . . . . . . . . . . . . . . . . . 16
#11 Regulator Sizing Calculations and Charts—English . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
#11 Regulator Sizing Calculations and Charts—Metric . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Sizing Mixing Regulators—Sizing Capacities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
How to Order… . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
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B #11 v3 0448 4
Powers #11 Features
Wide range of heating,cooling, and mixing valve
bodies are available. Union ends assist installationand maintenance
Large (7.8 sq. in.) bellowsprovides extra valve positioningpower, increasing accuracy.
Deep corrugations in bellowsprovides long life..
High rate spring allows 60°Fadjustment span.
Temperature setting scaleprovides easy, convenientreference when changingsetpoints.
Thick (.049″) wall capillaryeliminates need for additional
armor.
Protected capillary entry intoregulator shields against
damage and strain.
Temperature adjustment screwutilizes ball bearing spring
platform, for easy adjustment.
Open yoke design minimizesheat transfer from valve to
bellows, allowing more accurate control.
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B #11 v3 04485
Component SystemThermal System Options
Powers No. 11 Regulator capability includesinterchangeable sensing and control “components” forminimum downtime, greater flexibility, and extra economy.Any of 29 thermal systems (composed of remote bulb,capillary, and bellows) can be teamed up with 35 standardvalve assemblies. This means approximately 1,000 standardmodels are available to meet virtually every processrequirements.
If a thermal system is damaged—or if process changesrequire a different temperature range—replacementcan be made in minutes without removing the valveassembly from the supply line. Similarly, asingle thermal system can accommodatea variety of valve types and sizes.
The Thermal System is the keycomponent of a #11 Regulator. Itsenses the process temperature andprovides power to stroke the valve.The #11 Thermal System offerstremendous flexibility through its widerange of options. Standard featuresand options are listed below. (See“How to Order” section, pp. 22–23, forspecifying #11 Thermal SystemOptions.)
Optional Dial Indicator• Stainless steel case
• Rotates in any direction
• Fast response
• Dual °F / °C scale
• Wide availability of temperatureranges. (See “How to Order”section, pages 22–23, for rangeavailability.)
Capillary Length• Standard 8′• Optional 15′ or 30′
Bulb and Capillary Material• Standard: Copper
• Optional: Stainless steel or Teflon
Bulb Fitting• Standard Style D (Fixed Union)
• Optional Style A (AdjustableUnion), Style J (Plain Bulb), or Style V (Vertical Bulb)
Bulb SizeUsually dictated by range and valveselection. See “How to Order” section(pp. 22–23) for applicable bulb size.
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B #11 v3 0448 6
Powers #11 Type ST Regulator
Stainless Steel Plugand Seat provide long lifein high and low pressureapplications.
Reduced Ports areavailable for low flowapplications.
Spring-loaded V-Ring Packing providestight sealing and long life.
Union ends ease installation and maintenance
Self-Aligning Plug assists with tight shutoff.
Heating or CoolingSize 1⁄2″ to 1″with Stainless Steel Trim
Application: #11 Type STRegulator is well-suited forheating and cooling appli-cations where good shutoff isrequired or where high inletpressures cause a largepressure differentialacross the valve. TheType ST is normally thesingle seat valve usedfor cooling applications,and steam applicationsabove 50 PSI.
(Maximum leakage @closure is 0.1% of maximum flow)
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B #11 v3 04487
SelectionRefer to Load Calculations (page 16) to determine the valve capacity required foryour process.
Next, refer to the Valve Sizing Charts (pages 16–21) to select valve size matchingyour capacity requirements.
How to OrderRefer to the product number guide (on pages 22–23) to match your valve andthermal system selections and determine product number.
Type ST Dimensions
SpecificationsBody: Bronze ANSI Class 250
Connections: Union ends
Trim: Stainless steel
Sizes
Cv
Max. Pressure Differential(psi/kPa)
1⁄ 2A 1⁄ 2B 1⁄ 2C 1⁄ 2D 1⁄ 2 3⁄ 4 1
.25 .50 1.0 2.0 2.6 4.6 10.5
200 200 200 200 140 70(1379) (1379) (1379) (1379) (965) (483)
CB
A Valve StyleMaterial andConnections
ValveSize
Ain. (mm)
Bin. (mm)
Heating CoolingC
in. (mm)
ShippingWeight
lbs. (kg)1⁄2″ 141⁄8 (359) 11⁄4 (32) 13 ⁄4 (44) 55⁄8 (143) 21 (9.5)3⁄4″ 141⁄4 (362) 13⁄8 (35) 2 (51) 6 (152) 20 (10)
1″ 143⁄8 (365) 11⁄2 (38) 21⁄4 (57) 63 ⁄4 (171) 22 (11)
Single Seat Stainless Steel Trim
Bronze body, double female unions
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B #11 v3 0448 8
Powers #11 Type CD Regulator
Self-aligning plug assists tight shut-off.
Large port area provides extra capacity.
Spring-loaded V-RingTeflon Packing
provides good sealing,long life, and requires no
lubricant.
HeatingSize 1⁄2″ to 11⁄2″Bronze trim withComposition Shut Off Disc
Application: The #11 TypeCD Regulator is well-suitedfor heating applicationswhere the steam inletpressure is under 50 psiand good shut-off isrequired. The Type CDis only available forsteam service.
(Maximum leakage @closure is .01% ofmaximum flow)
Union endsease installation and
maintenance.
Composition disc assists shut-off
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9 B #11 v3 0448
SelectionRefer to Load Calculations (page 16) to determine valve capacity required foryour process.
Refer to Valve Sizing Charts (pages 16–21) to select valve size matching yourcapacity requirements.
How to OrderNext refer to the product number guide (pages 22–23) to match your valve andthermal system selections and determine product number.
Type CD Dimensions
SpecificationsBody: Bronze ANSI Class 250
Connections: Union ends
Trim: Bronze
Sizes
Cv
Max. Pressure Differential(PSI/kPa)—Steam
Max. Pressure Differential(PSI/kPa)—Water
1⁄ 2″ 3⁄ 4″ 1″ 11⁄ 4″ 11⁄ 2″
3.1 5.5 12.0 15.8 22.0
50 50 50 45 30(345) (345) (345) (310) (207)
30 30 30 30 30(207) (207) (207) (207) (207)
C
B
A
Valve StyleMaterial andConnections
ValveSize
Ain. (mm)
Bin. (mm)
Heating CoolingC
in. (mm)
ShippingWeight
lbs. (kg)1⁄2″ 141⁄8 (360) 11⁄8 (29) N/A 55⁄8 (143) 19 (8.6)3 ⁄4″ 141⁄4 (363) 13⁄8 (35) N/A 6 (152) 20 (9.1)
1″ 143⁄8 (366) 11⁄2 (38) N/A 63⁄4 (171) 22 (10)
11⁄4″ 145⁄8 (372) 13⁄4 (44) N/A 7 (178) 24 (10.9)
11⁄2″ 15 (382) 21⁄16 (52) N/A 8 (203) 26 (11.3)
Single Seat Composition Disc
Bronze body, double female
unions
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B #11 v3 0448 10
Powers #11 Type DB and DS Double Seat Regulators (1″ to 2″)
Stainless steel seatsand plugs available forsevere service applications.
Heating or CoolingSizes 1″ to 2″Double SeatBronze or Stainless Trim
Application: The #11 DoubleSeat Regulators are normallyused in applications where singleseat regulators do not haveenough capacity. Double SeatRegulators do not have tightshut-off (when new, leakage= 0.5% of max. flow), andshould not be used whereleakage can cause over-heating in low capacityheating systems (e.g. HeatExchangers). Double SeatRegulators will work well inheating systems that havestorage capacity (e.g., tanktype water heaters, orconstant flow heat exchangersystems with storage tanks)and are excellent for coolingapplications which usuallyutilize some additionalmethod of bypassing wateraround the #11 Regulator.
Bronze trim is suitable forwater and steam inletpressures below 50 psi.Stainless steel trim should beused when inlet pressure isabove 50 psi.
Union endsease installation and
maintenance size 1″–2″(Bronze body).
Double Seat Style provides extra capacity.
Teflon or EPT spring-loaded V-Ring packingprovides tight sealing andlong life.
Skirt guided plugsassist smooth operation.
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11 B #11 v3 0448
SelectionRefer to Load Calculations (page 16) to determine valve capacity required foryour process.
Refer to Valve Sizing Charts (pages 16–21) to select valve size matching yourcapacity requirements.
Type DescriptionDB . . . . . . . . . Double Seat Bronze Trim, Size 1″ to 2″DS . . . . . . . . . Double Seat Stainless Trim, Size 1″ to 2″
How to OrderRefer to the product number guide (pages 22–23) to match your valve and thermal system selections and determine product number.
Double Seat Regulator Dimensions
SpecificationsBody: 1″ to 2″ Bronze ANSI Class 250, 21⁄2″ to 4″ Iron ANSI Class 125
Connections: 1″ to 2″ Union Ends, 21⁄2″ to 4″ Flanged
Trim: Bronze or Stainless Steel
Sizes
Cv
Max. ∆P Bronze (PSI/kPa)
Max. ∆P Stainless Steel (PSI/kPa)
1″ 11⁄ 4″ 11⁄ 2″ 2″
13.5 22.0 28.0 53.0
50 (345) 50 (345) 50 (345) 50 (345)
150 (1034) 150 (1034) 150 (1034) 125 (862)
C
B
AValve Style
Material andConnections
ValveSize
Ain. (mm)
Bin. (mm)
Heating CoolingC
in. (mm)
ShippingWeight
lbs. (kg)
1″ 15 (381) 21⁄8 (54) 23⁄4 (70) 63⁄4 (171) 24 (11)
11⁄4″ 151⁄4 (387) 21⁄2 (64) 3 (76) 7 (178) 26 (12)
11⁄2″ 153⁄8 (390) 25⁄8 (67) 31⁄4 (83) 8 (203) 28 (13)
2″ 161⁄2 (419) 35⁄8 (92) 43⁄8 (111) 95⁄8 (244) 39 (18)
Double SeatBronze body,
double female unions, Types DB, DS
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COLDWATER
HOTWATER
WATERHEATER
BULB IN WELLTEMPERED WATER
MIXING
BY-PASS
RETURN TOBOILER
HOT WATERFROM BOILER
U = Upper Port / Cold Water InletB = Bottom Port / Hot Water InletC = Combination Port / Tempered (mixed)
Water Outlet
B #11 v3 0448 12
Powers #11 Type WM Regulator (1⁄2″ to 2″)
Size 1⁄2″ to 2″Water Mix Three-WayBronze or Iron Body,Bronze Trim
Application: The #11 TypeWM/IM Regulator is typicallyused for domestic or processwater tempering. It is also usedfor bypass control (in lieu of adiverting valve), but must bepiped as a mixing valve (twoinlets, one outlet).
(Maximum leakage @ closure is.01% of maximum flow)
Lower guidestabilizes plug, assistingshut-off and modulation.
EPT Discs (1⁄2″ to 2″) assist shut-off.
EPT spring-loaded V-ring packing providestight sealing and long life.
Self-aligning plugassists tight shut-off.
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B #11 v3 044813
SelectionRefer to Load Calculations (page 16) to determine valve capacity required foryour process.
Refer to Valve Sizing Charts (pages 16–21) to select valve size matching yourcapacity requirements.
How to OrderNext refer to the product number guide (pages 22–23) to match your valve andthermal system selections and determine product number.
Type WM Dimensions
Specifications
Body: 1⁄2″ to 2″ Bronze ANSI Class 125
Connections: 1⁄2″ to 2″ Screwed Ends
Trim: Bronze (1⁄2″ to 2″ with EPT discs)
Sizes
Cv Mixing
Cv Bottom Port (bypass)
Cv Top Port (bypass)
Max. ∆P (PSI/kPa)
1⁄ 2″ 3⁄ 4″ 1″ 11⁄ 4″ 11⁄ 2″ 2″
4.2 7.2 12.4 20.1 25.5 39.3
2.2 6.0 8.9 15.8 17.9 30
3.5 6.0 11.2 16.7 23.7 38
25 (150) 25 (150) 25 (150) 25 (150) 25 (150) 25 (150)
C
B
A
Valve StyleMaterial andConnections
ValveSize
Ain. (mm)
Bin. (mm)
Cin. (mm)
ShippingWeight
lbs. (kg)1⁄2″ 141⁄8 (359) 13⁄4 (44) 27⁄8 (73) 21 (9.5)3⁄4″ 141⁄4 (362) 21⁄4 (57) 33⁄8 (86) 22 (10)
1″ 143⁄8 (365) 21⁄2 (64) 37⁄8 (98) 23 (10.4)
11⁄4″ 145⁄8 (371) 23⁄4 (70) 41⁄2 (114) 25 (11.3)
11⁄2″ 147⁄8 (378) 3 (76) 51⁄8 (130) 28 (12.7)
2 151⁄4 (387) 33⁄8 (86) 61⁄8 (156) 33 (15)
Water MixBronze body,
screwed ends,Type WM
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B #11 v3 0448 14
Special #11 Regulators
Powers Process Controls can build Special #11 Regulatorsfor a wide range of applications. Always consult your factoryrepresentative for availability of any Special #11 Regulators.
For example, Powers Process Controls has developed:
• Ambient Sensing Regulator for Controlling SpaceTemperature or Steam Tracing Pipelines
• Nickel-Coated Regulator for Sea Water Service
• Plugged Port Three-Way Regulator for Boiler BlowDown Tempering
• Special bulbs and capillaries for OEM applications
Steam StrainerProlongs life and prevents temperature variations due tolodged dirt or sediment between plugs and seats. Self-cleaning unit installs in steam supply line to valve.
Size 1⁄2″ 3⁄4″ 1″ 11⁄4″ 11⁄2″ 2″
Order No. 043-718 043-724 043-730 043-736 043-740 043-744
Stem LubricatorSilicone grease lubricant minimizes friction between valvestem and packing. Suitable for valves handling steam, hot andcold water, air, natural gas, oils,and most other liquids compa-tible with bronze or cast iron valve bodies. Temperature limitsof fluid in valve: –40°F to +400°F. (Not used with Teflon V-RingPkg.)Order No. 590-184A
#11 Ambient Sensing Regulator
Optional Accessories
No. 11 is the simplest of all tempera-ture regulators to install because itmounts directly in the supply line—noexternal power requirement and nomounting brackets. Recommendedvalve installation is in verticalposition (Figure 1) or in any positionwithin 90° in either direction as shown.Remote sensing bulb is mountedeither horizontally or vertically (enddown) with bushing furnished. Aspecial bulb must be ordered forvertical (end up) mounting (Figure 2).
Figure 1: Regulator Figure 2: Bulb
Standard Bulb
Special BulbSpecify end-upmounting
Installation Information
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15 B #11 v3 0448
Sensing Bulbs and Protective WellsBulb size is usually dictated by range and valve type selected. Refer to “How to Order” information on pages22–23 for proper bulb size.
Style D—Fixed Union Bulbs (Standard)For rigid, pressure-tight attachment to vessel or pipeline—either directly or into socket well (see Style S wells).Union connection simplifies installation.
Style J—Plain Bulb (Special)No union—for liquid or air immersion in open tanks or ducts. Maximum 15 foot coated capillary length.
Style A—Adjustable Union Bulb (Special)For pressure-tight insertion into tanks or ducts. Adjustable union permits capillary to be moved any desireddistance through fitting and into liquid for more effective sensing bulb position.
Style G—Finned Bulb (Special) Kit may be added to style “D” bulb as noted.
For air-sensing applications not corrosive to copper. Has duct-mounting flange for easy installation. Flangerequires 31⁄4″ dia. bolt circle; four 9⁄32″ dia. bolt holes at 90° spacing.
Style S WellsFor sealing Style D bulb in tanks or pipeline installation. Provides higher pressure rating and corrosion protectionfor bulb.
Notes: (1) Teflon-coated bulb and capillary is resistant to deterioration in most metal-finishing baths and other chemical solutions at temperatures to 400°F max.(Refer to Powers Form AE-14 for information on corrosive resistance of specific solutions.)(2) Pressure ratings are valid up to following temperature limits: 270°F for all copper bulbs and wells; 600°F for all others.
D
L
NominalDimensions Part No.
Tank FIttingSize DMaterial
Actual Dimensions WallThicknessL D
Pressure Rating*
L1″ NPT 316L Stainless 11⁄64″ (27) 811⁄16″ (221) .032″ 450 (3103) 675 (4654) 808-4781″ NPT Chrome-Plated Copper 1″ (25) 91⁄16″ (230) .025″ 175 (1207) 250 (1724) 709-1931″ NPT Chrome-Plated Copper 1″ (25) 21″ (533) .025″ 175 (1207) 250 (1724) 709-0751″ NPT 316L Stainless 11⁄64″ (27) 203⁄8″ (518) .032″ 450 (3103) 675 (4654) 808-47511⁄4″ NPT 347 Stainless 117⁄64″ (29) 235⁄16″ (592) .032″ 360 (2483) 540 (3725) 808-46111⁄4″ NPT Chrome-Plated Copper 11⁄4″ (30) 24″ (610) .025″ 150 (1035) 200 (1380) 709-128
* Pressure ratings are valid up to the following temperature limits: 270°F for all copper bulbs and wells; 600°F for all others.
1″ x 9″
1″ x 20″
11⁄4″ x 24″
Nominal Dimensions(O.D. x Length)
AccessoryKit Numbers
Bulb & CapillaryMaterial D
Actual Dimensions (in/mm)
L1″ x 9″ Bulb Copper 2″ (51) 813⁄16″ (224) 701-5491″ x 20″ Bulb Copper 2″ (51) 2015⁄16″ (532) 701-550
L
D
Nominal Dimensions(O.D. x Length)
Tank FittingSize
Bulb & CapillaryMaterial D
Actual Dimensions (in/mm) Pressure Rating (2) (PSI/kPa)
L Shock Non-Shock1″ x 9″ 1″ NPT 347 Stainless 15⁄16″ (24) 83⁄4″ (222) 500 (12700) 725 (18415)1″ x 20″ 1″ NPT 347 Stainless 15⁄16″ (24) 201⁄2″ (520) 500 (12700) 725 (18415)
������
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L
D
Nominal Dimensions(O.D. x Length)
Bulb & CapillaryMaterial D
Actual Dimensions (in/mm)L
Standard CapillaryLengths (Feet)
1″ x 9″ 347 Stainless 8, 15 15⁄16″ (24) 83⁄4″ (222)Teflon-coated (1) 15 15⁄16″ (24) 83⁄4″ (222)
1″ x 20″ 347 Stainless 8, 15 15⁄16″ (24) 201⁄2″ (520)Teflon-coated (1) 15 15⁄16″ (24) 201⁄2″ (520)
L
D
Nominal Dimensions(O.D. x Length)
Tank FittingSize
Bulb & CapillaryMaterial D
Actual Dimensions (in/mm) Pressure Rating (2) (PSI/kPa)
L Shock Non-Shock
1″ x 9″ 1″ NPT Copper 15⁄16″ (24) 8″ (203) 175 (4445) 250 (6350)1″ NPT 347 Stainless 15⁄16″ (24) 81⁄16″ (205) 500 (12700) 725 (18415)
1″ x 20″ 1″ NPT Copper 15⁄16″ (24) 197⁄8″ (505) 175 (4445) 250 (6350)1″ NPT 347 Stainless 15⁄16″ (24) 1913⁄16″ (503) 500 (12700) 725 (18415)
11⁄4″ x 24″ 11⁄4″ NPT Copper 13⁄16″ (30) 2211⁄16″ (576) 150 (3810) 200 (5080)13⁄8″ x 30″ 11⁄4″ NPT Copper 13⁄8″ (35) 285⁄8″ (727) 150 (3810) 200 (5080) D
L
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B #11 v3 0448 16
#11 Regulator Sizing
Valve SizingThe following sizing tables apply for steam or water input. Forother media, capacities may be calculated using CV factors—or consult factory. To prevent cycling, valve size should notexceed supply line size; preferably, it should be one or twosizes smaller.
Maximum Operating Pressure DifferentialA pressure drop (differential) for fluid flow must exist acrossthe valve. Pressure differential is the difference in pressurebetween inlet and outlet under flow conditions. Thegreater the differential, the greater the flow at any plugposition.
For steam, maximum flow occurs at a drop equal to approxi-mately 50% of absolute supply pressure (gauge pressure + 15 psi). To size properly, it is necessary to know availabledifferential at maximum flow. For best control, as muchdifferential as possible should be taken across the valve. Forwater, use a pressure drop of at least 25% of inlet pressure.
Caution: Do not exceed maximum differentials for valve size shown in tables on pages 19–22. Too large a differentialmay cause valve “chatter” or prevent shutoff. The maximumdifferential is the pressure the valve will have against it atshutoff.
Load CalculationsFor obtaining Required Amount of Heating or CoolingMedium
1. For heating or cooling water
2. For heating water with steam
3. For heating or cooling water with water
4. For heating air with steam
5. For heating or cooling air with water
6. For heating oil with steam
Lbs. steam/hr. = x (°F oil temp. rise)GPM
4
GPM = 2.16 xCFM x (°F air temp. rise)
1000 x (°F water temp drop or rise)
Lbs. steam / hrs. = 1.08 x (°F air temp rise) x CFM1000
GPM1 = GPM2 x°F water2 temp rise or drop
°F water1 temp rise or drop
Lbs. steam / hr. = x (°F water temp rise)GPM
2
GPM =BTU/hr.
(°F water temp. rise or drop) x 500
Pounds of Steam per Hour to Raise Water Temperature* ∆T
U.S.GPH 10 20 30 40 50 60 80 100 120 140 160 180
255075
100150200300400500750
1,0001,5002,0003,0004,000
2.14.26.28.3
13172533426283
125167250334
4.28.3
13172533506783
125167250334500668
6.2131925385075
100125187250375501750
1,000
8.31725335067
100133167250334500668
1,0001,335
102131426384
125167208312417625835
1,2501,670
1225385075
100150200250375500750
1,0001,5002,000
17335067
100134200267334500667
1,0001,3402,0002,670
21426383
125167250334420625833
1,2501,6702,5003,340
255075
100150200300400500750
1,0001,5002,0003,0004,000
3368
100133200267400534677
1,0001,3302,0002,6704,0005,340
3775
112150225300450600750
1,1251,5002,2503,0004,5006,000
Temperature Change — ∆T°F
295888
117175235350467584875
1,1651,7502,3403,5004,670
* For fuel oil, divide lbs. steam / hr. by 2.
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B #11 v3 044817
#11 Regulator Sizing (cont’d)
See page 19 for metric equivalents.
Heating and Cooling Regulators Water Capacities (Gallons per minute)
Heating Regulators Steam Capacities (Pounds per hour)
Single SeatStainless Steel Trim Regulators(Type ST)
200200200200200140
70
1⁄2A1⁄2B1⁄2C1⁄2D1⁄23⁄41
Inlet Pressure — PSIG
Available Sizing Pressure Differential — PSIGMax.
PressureDifferential
Steam
ValveSize(in.)
200200200200200140
70
1⁄2A1⁄2 B1⁄2C1⁄2D1⁄23⁄41
Inlet Pressure — PSIG
Available Sizing Pressure Differential — PSIGMax.
PressureDifferential
Steam
ValveSize(in.)
183672
144188332759
Max.20
36
12243155
125
14.28.317334376
175
23.36.513263460
137
14.59.118364783
191
25.511224457
101230
36.9
13.8275572
127289
55.11020415394
215
27.114285774
130297
48.517346888
156356
69.619387699
176401
810.4
214283
108192438
105.611224558
103236
28.717356990
159364
512234793
121215490
1013.5
2754
108140249568
Max.15
6.513265268
120274
210204081
105186425
5142855
111144254581
10163365
130170300685
15
2 5 10 15 25
98196391782
1016——
Max.107.5
183673
145189334762
10224387
174226400913
15254998
196225452
1031
202959
118235306542
1236
Max.32.5
224386
173225398—
103365
130261339600—
253775
149298388687—
354182
163326424751—
Max.45
254998
197256452—
103775
150300390690—
254387
173346450797—
3552
104209418543960—
Max.57.5
64127254508661
1170—
Max.70
75150300600780——
Max.82.5
86173345690898——
Max. 95
200125 150 17550 75 100
CV1 2 4 6 8 10 15 2520 30 5040 60 10080 125
Single SeatStainless SteelTrim Regulators(Type ST) 1⁄2A
1⁄2B1⁄2C1⁄2D1⁄23⁄41
0.250.501.02.02.64.6
10.5
0.350.711.42.83.76.515
0.501.02.04.05.29.221
0.711.42.85.67.41330
0.611.22.54.96.41126
0.791.63.26.38.21532
0.971.93.97.8101841
1.12.24.59122147
1.32.5510132353
1.63.26.313172966
1.42.75.511142558
1.83.57.114183374
1.93.97.716203681
20020020020020014070
Available Sizing Pressure Differential — ∆ (PSI) Max. Pressure
Diff. Liquid
ValveSize(in.)
2.24.58.9182341—
2.85.611222952—
2.5510202646—
CV1 2 4 6 8 10 15 2520 30
Single SeatComposition Disc Regulators(Type CD)Heating only
1⁄23⁄4
111⁄411⁄2
3.15.512
15.822
4.37.8172231
6.211243244
8.816344562
7.614293854
9.817385070
1221476185
1425547198
16286079
110
17306686
120
3030303030
Available Sizing Pressure Differential — ∆ (PSI)Liquid
ValveSize(in.)
CV1 2 4 6 8 10 15 2520 30 5040 60 10080 125 BRZ SS
Double SeatRegulatorsBronze andStainless SteelTrim(Types DS & DB)
111⁄411⁄22
13.5222853
19314075
274457
106
386279
150
335469
130
437089
167
5285
108205
6098
125236
68110140265
85139177335
74120153290
96155198374
104170216410
50505050
150150150125
Available Sizing Pressure Differential — ∆ (PSI) LiquidValveSize(in.)
120196250473
156246313562
135220280530
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B #11 v3 0448 18
#11 Regulator Sizing (cont’d)
See page 20 for metric equivalents.
Heating Regulators Steam Capacities (Pounds per hour)
Single SeatCompositionDisc Regulators(Type CD) 50
50504530
1⁄23⁄4111⁄411⁄2
Inlet Pressure — PSIG
Available Sizing Pressure Differential — PSIG
Max.Pressure
DifferentialSteam
ValveSize(in.)
5050504530
1⁄23⁄4111⁄411⁄2
Inlet Pressure — PSIG
Available Sizing Pressure Differential — PSIGMax.
PressureDifferential
Steam
ValveSize(in.)
118210459604841
8129229500659917
3766
143189263
25291
200263366
14072
157206286
256
100218287400
368
121263347483
585
151330435606
263
112245323450
488
156340447623
6105186407535745
10
2 5 10
70124270355495
2107190416547762
5145257560737
1027
10167297649854
1189
Max.15
81144313413575
2125223486640891
5171304664874
1217
10202359783
10311436
Max.20
224397867
11421590
15225399871——
10270478
1044——
15304540
1179——
20365648
1413——
Max.32.5
15 25 50
1
Double SeatRegulatorsBronze andStainless Steel Trim*(Types DS& DB)
*Note: Always use S.S. trim over 50 psig.
50505050
111⁄411⁄22
Inlet Pressure — PSIG
Available Sizing Pressure Differential — PSIG
Max.Pressure
Differential
Steam ValveSize(in.)
50505050
150150150125
150150150125
111⁄411⁄22
Inlet Pressure — PSIG
Available Sizing Pressure Differential — PSIG
Max.Pressure
Differential
Steam
Bronze
Bronze
SS
SS
ValveSize(in.)
630102713072474
10728
118915132865
161263335633
2225366466882
2245400508963
5372606771
1460
41 3 2 6382623792
1500
176286364690
296483614
1163
276450572
1084
457745949
1795
8516841
10702025
10563917
11672209
2304495630
1192
5467762970
1836
Max.15
2 5 10 15
353575731
1385
2547891
11342147
5747
121715492932
10975
159020233829
151174191424364610
101590259132976241
Max.32.5
1761287036536915
251326216127505206
20881
143618273459
980159620323846
Max.20 15
1167190124204581
102015328441807912
352204359245718652
101328216427545213
Max.45
2026330242037956
252338381148509181
35281845935845
11064
Max.57.5
343255947119
13475
402965678357
15819
464475689631
18231
52588569
1090320642
70 82.5 95 107.5
25 7550 100 125 150 175 200
1
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B #11 v3 044819
#11 Regulator Sizing: Metric EquivalentsSee page 17 for English units.
Heating and Cooling Regulators Water Capacities (Liters per second)
Heating Regulators Steam Capacities (Kilograms per hour)
Single SeatStainless Steel Trim Regulators(Type ST)
13791379137913791379
965483
1⁄2″A1⁄2″B1⁄2″C1⁄2″D1⁄2″3⁄4″1″
Inlet Pressure — kPa
Available Sizing Pressure Differential — PSIGMax.
PressureDifferential
Steam
ValveSize(in.)
13791379137913791379
965483
1⁄2″A1⁄2″B1⁄2″C1⁄2″D1⁄2″3⁄4″1″
Inlet Pressure — kPa
Available Sizing Pressure Differential — PSIGMax.
PressureDifferential
Steam
ValveSize(in.)
8.317336686
153349
Max.140
1.22.34.79.3122149
52
3.97.916213683
151.22.5
59.9132352
51.73.56.914183273
102.14.28.417223988
152.95.812233053
121
301.42.85.711152660
5248
16213784
102.44.89.7192545
102
153.67.214293766
151
354.89.519385088
200
702.24.38.717234091
103.46.7
13.4273562
141
254.69.2
18.3374884
193
506
12244862
111252
Max.100
2.55.110202647
107
104
7.916324173
167
255.511224457
101230
507.315295976
135309
100
15 30 70 100 175
4590
180359467——
Max.751
3.36.513263460
137
107.114295774
131299
5012234693
121213487
150142856
112145257586
Max.250
10193978
101179—
70152959
117152269—
175173467
135175310—
250183672
144187331—
Max.301
11234590
118208—
70173569
138180318—
175204080
161209369—
250244896
192249441—
Max.401
2857
114228296524—
Max.476
3366
132264343——
Max.551
3978
156311405——
Max. 651
1400850 1000 1200350 500 700
7 15 30 45 60 75 100 150125 200 350250 450 650550 750
Single SeatStainless SteelTrim Regulators(Type ST) 1⁄2″A
1⁄2″B1⁄2″C1⁄2″D1⁄2″3⁄4″1″
0.020.030.060.130.170.290.7
0.020.050.090.190.240.431.02
0.030.070.130.260.340.611.45
0.050.090.190.370.480.862.05
0.040.080.160.320.420.741.77
0.050.10.210.420.540.962.29
0.060.120.240.480.621.112.64
0.070.130.270.540.71.242.95
0.070.150.290.590.761.353.24
0.090.190.380.760.991.754.18
0.080.170.340.680.881.563.74
0.110.220.450.91.172.074.94
0.130.250.511.021.322.345.61
13791379137913791379965483
Available Sizing Pressure Differential — ∆ (kPa) Max. Pressure
Diff. Liquid
ValveSize(in.)
0.140.280.561.131.462.59
—
0.160.330.661.321.713.03
—
0.150.310.611.221.592.82
—
7 15 30 45 60 75 100 150125 200
Single SeatComposition Disc Regulators(Type CD)Heating only
1⁄2″3⁄4″
1″11⁄4″11⁄2″
0.20.30.81.01.4
0.30.51.11.52.0
0.40.71.62.12.9
0.61.02.23.04.1
0.50.91.92.63.5
0.61.12.53.34.6
0.71.32.93.85.3
0.81.53.24.35.9
0.91.63.54.76.5
1.11.94.15.47.5
207207207207207
Available Sizing Pressure Differential — ∆ (kPa)Liquid
ValveSize(in.)
7 15 30 45 60 75 100 150125 200 350250 450 650550 750 BRZ SS
Double SeatRegulatorsBronze andStainless SteelTrim(Types DS & DB)
1″11⁄4″11⁄2″2″
0.91.41.83.4
1.32.02.64.9
1.82.93.77.0
2.54.15.29.9
2.23.54.58.5
2.84.65.811
3.25.36.713
3.65.97.514
4.06.58.216
5.18.41120
4.67.59.518
6.19.91324
6.9111427
345345345345
103410341034862
Available Sizing Pressure Differential — ∆ (kPa ) LiquidValveSize(in.)
7.6121630
8.9141835
8.3131732
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B #11 v3 0448 20
#11 Regulator Sizing: Metric Equivalents (cont’d)
See page 18 for English units.
Heating Regulators Steam Capacities (Kilograms per hour)
Single SeatCompositionDisc Regulators(Type CD) 345
345345310207
1⁄2″3⁄4″1″11⁄4″11⁄2″
Inlet Pressure — kPa
Available Sizing Pressure Differential — PSIG
Max.Pressure
DifferentialSteam
ValveSize(in.)
345345345310207
1⁄2″3⁄4″1″11⁄4″11⁄2″
Inlet Pressure — kPa
Available Sizing Pressure Differential — PSIGMax.
PressureDifferential
Steam
ValveSize(in.)
4479
172229315
3559
105229305420
14265675
103
15244395
126174
515276079
109
10223883
111153
152646
101135185
303663
139185254
518316891
125
10254496
127175
153053
116155213
70
15 30 70
2748
104138190
104274
161215295
2557
101220293404
5075
132288385529
Max.100
3256
122163224
104987
190254349
2568
120263350482
5091
162353470647
Max.140103183398531730
1004072
157——
1088
157342——
50144255557——
150173307607——
Max.250
100 175 350
5
Double SeatRegulatorsBronze andStainless Steel Trim*(Types DS & DB)*Note: Always use S.S. trim over 50 psig.
345345345345
1″11⁄4″11⁄2″2″
Inlet Pressure — kPa
Available Sizing Pressure Differential — kPa
Max.Pressure
Differential
Steam ValveSize(in.)
345345345345
1034103410341034
1034103410341034
1″11⁄4″11⁄2″2″
Inlet Pressure — kPa
Available Sizing Pressure Differential — kPa
Max.Pressure
Differential
Steam
Bronze
Bronze
SS
SS
ValveSize(in.)
248404514972
50324529673
1274
63103131247
15107174221418
1094
153194368
30156254323612
105 15 5 15108175223422
67109139263
114185236446
77125159301
131213271513
35194315401760
70258420534
1012
10117190242459
25181295376711
Max.100
15 39 70 100
137224285539
10214349444841
25296482613
1161
50448730930
1760
100385627799
1512
10753
122815622957
Max.250
791128916403105
175627
102113002460
150397647823
1558
176287365692
Max.140 50
525856
10892061
70910
148318873573
250971
158320153814
70611995
12672398
1537250431876033
1779289936896984
2102342543598252
Max.301
932151919333659
1751084176722494257
250 476 551 6511294210926855082
Max.401
2425395250299520
751
175 500350 700 140012001000850
5
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B #11 v3 044821
Sizing Mixing RegulatorsWater Capacities (Gallons per Minute/Liters per Second)
3-Way Mixing Valves (Type WM)
Maximum MIXED FLOW for Tempering ApplicationsGallons per Minute Liters per Second
Full Flow through BOTTOM Port (upper port closed) for By-Pass ApplicationsGallons per Minute Liters per Second
Full Flow through UPPER Port (bottom port closed) for By-Pass ApplicationsGallons per Minute Liters per Second
Notes: * Pressure difference between lowest of inlet and outlet pressures. Piping should be arranged so that inlet pressures are equal.� Pressure difference between open port and outlet.
CV1 42 6 8 10 15 20 3025 50401⁄23 ⁄4111⁄411⁄22
5.08.516243454
3.56.0
11.216.723.738.1
7.01222334776
8.61527415893
11.019355375
120
9.917324767
108
13.023436492
147
16.0275075
106170
18305684
119190
19336192
130208
223871
106150241
254279
118168269
Available Sizing Pressure Differential� — ∆ (PSI)ValveSize(in.) 7 3015 45 60 75 100 125 200150 350250
1⁄23 ⁄4111⁄411⁄22
0.30.61.01.62.23.5
0.20.40.71.11.52.4
0.50.81.42.23.25.0
0.61.01.82.73.96.1
0.71.22.33.55.07.9
0.71.12.03.24.57.1
0.81.42.64.15.89.1
0.91.63.04.66.410
1.01.83.25.07.111
1.22.03.75.88.213
1.32.34.26.59.114
1.62.74.97.61117
Available Sizing Pressure Differential� — ∆ (kPa)ValveSize(in.)
CV1 42 6 8 10 15 20 3025 50401⁄23 ⁄4111⁄411⁄22
3.18.513222543
2.26.08.9
15.817.930.2
4.41218323660
5.41522394474
7.01928505795
6.21725455185
8.523346169
117
9.827407180
135
11.030457989
151
1233498798
165
273856
100113191
164263
112127213
Available Sizing Pressure Differential� — ∆ (PSI)ValveSize(in.) 7 3015 45 60 75 100 125 200150 350250
1⁄23 ⁄4111⁄411⁄22
0.20.60.81.51.72.8
0.10.40.6
11.11.9
0.30.81.22.12.43.9
0.41
1.42.62.94.8
0.51.21.93.33.76.2
0.41.11.7
33.35.6
0.51.42.13.84.37.2
0.61.62.44.34.88.1
0.61.82.64.75.38.8
0.723
5.46.110
0.82.33.46.16.811
12.7
47.28.113
Available Sizing Pressure Differential� — ∆ (kPa)ValveSize(in.)
CV1 42 6 8 10 15 20 3025 50401⁄23 ⁄4111⁄411⁄22
5.91018283655
4.27.2
12.420.125.539.3
8.41425405179
101830496296
1323396481
124
1220355772
111
1628487899
152
19335590
114176
213662
100127197
233968
110140215
274678
127161248
305188
142180278
Available Sizing Pressure Differential* — ∆ (PSI)ValveSize(in.)
For sizes 21⁄2, 3, and 4, use “Bottom Port” table.
7 3015 45 60 75 100 125 200150 3502501⁄23 ⁄4111⁄411⁄22
0.40.71.11.92.33.6
0.30.50.81.31.62.5
0.60.91.62.63.35.1
0.71.21.93.2
46.3
0.91.52.54.25.28.1
0.81.32.23.74.77.3
11.72.94.8
69.4
1.11.93.25.46.710
1.22.13.55.97.411
1.42.44.16.88.513
1.62.74.67.59.51.5
1.93.25.4
91118
Available Sizing Pressure Differential* — ∆ (kPa)ValveSize(in.)
For sizes 21⁄2, 3, and 4, use “Bottom Port” table.
The following water capacities of Powers#11 Regulator 3-way valves are based onpiping as shown. The cold water supply linemust be connected to the upper inlet “U”.Hot water supply must be connected tobottom inlet “B”. Side port “C” is the outletfor the mixed water.
Note: 3-way regulators perform poorly withless than 8 lb. pressure differential.
Tempered water systems should employdownstream high temperature limit controls(Powers AquaSentry) to protect users fromscalding in the event of regulator failure.
U (upper)COLD
C (common)MIXED
B(bottom)
HOT
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B #11 v3 0448 22
How to Order…Indicate the entire digit code(s) when ordering.
Complete #11 Regulators
Lower HousingDetermine the order code from the lower housing assembly code chart below. Eliminate the 590 prefix when ordering a complete regulator.
Thermal SystemDetermine the code from the thermal system code chart (page 23). Eliminate the 700 prefix when ordering a complete regulator.
595 – –
#11 Lower Housing Assemblies
Style OrderSize CD ST DB DS WM Code
1/2A n A50
1/2B n B50
1/2C n C50
1/2D n D50
1/2 n n n 050
3/4 n n n 075
1 n n n n n 1001-1/4 n n n n 125
1-1/2 n n n n 1502 n n n 200
OrderValve Action CodeHeating HCooling (not available in Type CD body style) CMixing (WM only) M
590 –
Order Seat Packing Body Trim Code
Single Comp EP (heating) Bronze Bronze CDSingle TFE (H) EP (C) Bronze Stainless STDouble EP (H & C) Bronze Bronze DBDouble TFE (H) EP (C) Bronze Stainless DSMixing EP (Mixing) Bronze Bronze WM
Valve Type
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B #11 v3 044823
#11 Thermal Systems
Bulb and Capillary Material Order CodeCopper (with 8′ capillary) CStainless Steel (with 8′ capillary) SCapillary Length8′ 0815′ (copper) 1515′ (stainless steel) 1530′ (copper) 3030′ (stainless steel) 30Bulb StyleFixed Union DNo Pipe Fittings JAdj. Union AD Vertical VHead Assembly• 21⁄2″ – 4″ Water Mix Bodies
Range codes 22–28 H• All other bodies
Non-Indicating NIndicating I
700 –
Range/Bulb Size Code (two-digit codes below)All ranges/bulb sizes listed below are no charge.Select range with setpoint in upper third for best perfor-mance. Consult factory for ranges/bulb sizes not listed.Temperature Ranges
Range/BulbSize Codes
Range/BulbSize Codes
Single or Double Seat Valves : Sizes 1/2″ through 2″
Heating Cooling Water MixD.A. R.A. 1/2″ to 2″
01 10° to 70°F 0 to 60°F 10° to 60°F02 55° to 115°F 45° to 105°F 55° to 115°F03 85° to 145°F 70° to 130°F 80° to 140°F04 90° to 150°F 100° to 160°F05 110° to 170°F 110 to 150°F 110° to 160°F0607 140° to 200°F 120° to 180°F 135° to 195°F08 170° to 230°F 150° to 210°F 160° to 220°F09 200° to 250°F 185° to 245°F 200° to 250°F10 230° to 290°F 220° to 280°F 230° to 280°F11 270° to 330°F 255° to 315°F 260° to 320°F
Double Seat : Valve Sizes 2-1/2″ through 4″
12 10° to 70°F 0 to 60°F13 55° to 115°F 45° to 105°F14 85° to 145°F 70° to 130°F44 90° to 150°F15 110° to 170°F16 16 no longer available. Substitute either 15 or 17.17 140° to 200°F 120° to 180°F18 170° to 230°F 150° to 210°F19 200° to 250°F 185° to 245°F20 230° to 290°F 220° to 280°F21 270° to 330°F 225° to 315°F
High Power Head Assembly for 2-1/2″ – 4″ Water MixHigh Power Head Assembly for 2-1/2″ – 4″ Water Mix
28 50° to 80°F22 70° to 100°F23 95° to 125°F
1″ x 20″Bulb
1″ x 9″Bulb
1-3/8″ x 30″ Bulb
1-1/4″ x 24″ Bulb*
1-1/4″x 24″Bulb*
Below 110°F
1″ x 20″Bulb
06 no longer available. Substitute either 05 or 07.
Heating CoolingD.A. R.A. Water Mix
24 120° to 150°F25 140° to 170°F26 150° to 180°F27 180° to 210°F
Above 110°F
* Not available in stainless steel
Notapplicable
Notapplicable
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