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D
Wilkerson OperationsEnglewood, Colorado
Pneumatic
Flow Controls& Accessories
Section D
Flow Control Valves“SPF” Series ..........................................................2“337” Series ...........................................................3“3250” Series ..................................................... 4-5Right Angle Series ............................................. 6-9
Needle Valves“SPN” Series ........................................................10“338” Series .........................................................11“SPC” Series Check Valve ...................................12
“339” & “3047” Series Check Valve ..................... 13“EM” Series Exhaust Mufflers .............................. 14Breather Vents ..................................................... 15“ES” Series Silencer............................................. 15ASN Air Line Silencer .......................................... 16Muffler-Reclassifier ECS ...................................... 17Automatic Drip Leg Drain .....................................18Relief Valves ........................................................ 18Quick Exhaust & Shuttle Valves .................... 19-21
2 Wilkerson OperationsEnglewood, Colorado
Pneumatic
Catalog 9CW-BJ-261 Flow Controls & Accessories“SPF” Series – 1/8" to 1/2" PortsFlow Control Valves
Cracking pressure for return check poppet –5 PSI Nominal
Operating TemperatureStandard: 0° to 140° F*
-40° to 140° F (Hydraulic service)
Extended Temperature: 0° to 400°F** Ambient temperatures below freezing require moisture-free air.
Ambient temperatures below freezing and above 180° requirelubricants especially selected for suitability at thesetemperatures. Pneumatic valves should be used with filteredand lubricated air.
General InformationThe “SPF” Series Flow Control Valves meter flow ofair or oil in one direction and allow free flow in thereverse direction.
“SPF” Series valves are manufactured with a two stepneedle. Fine metering is accomplished over the initialadjustment turns and nominal metering is providedover the remaining turns. Once the desired flow isselected, a set screw can be tightened to maintain thesetting.
These valves are available with NPTF ports in 1/8",1/4", 3/8", and 1/2" sizes.
† At 100 PSIG inlet pressure with full pressure drop.
General InformationThe “337” Series Flow Control Valves meter flowof air in one direction and allow free flow in thereverse direction.
The “337” Series valves are manufactured with a finetapered needle providing precise flow control, even atlow flow rates. The perimeter of the adjustment knobfeatures numerical micrometer position markingsproviding a visual indication of the setting. Once thedesired flow is selected, a set screw can be tightenedto maintain the setting.
These valves are available with NPTF ports in 1/8",1/4", 3/8", 1/2", and 3/4" sizes. This series isrecommended for pneumatic service.
Cracking pressure for return check poppet –1 to 2 PSIG
Operating TemperatureStandard: 0° to 180°F*
Extended Temperature: 0° to 300°F* (consult factory)* Ambient temperatures below freezing require moisture-free air.
Ambient temperatures below freezing and above 180° requirelubricants especially selected for suitability at these temperatures.Pneumatic valves should be used with filteredand lubricated air.
Model Selection and Dimensions
Mounting Bracket Model Selectionand Dimensions
Body Material: Brass
Needle: Stainless Steel
Check Seal: Urethane
Needle Seals: Buna N(Fluorocarbon optional –consult factory)
Catalog 9CW-BJ-261 Flow Controls & Accessories“3250” Series – 1/8" to 3/4" PortsFlow Control Valves
ApplicationThe “3250” Series Flow Control Valves are specificallydesigned to accurately meter the flow of air in onedirection and allow free flow in the opposite direction.The “3250” Series Flow Control Valves are alsosuitable for low pressure hydraulic service.
OperationWhen air is moving in the free flow direction throughthe valve, it forces the poppet off its seat andunrestricted air flow is permitted.
When air is moving in the metered direction throughthe valve, air pressure and the force of the poppetspring causes the poppet to close. Flow must then bethrough the orifice that is controlled by the meteringscrew. Opening this screw allows more flow; closing it,less flow.
Flow Rating (SCFM)
Flow PathValve Port Size
1/8" 1/4" 3/8" 1/2" 3/4"
Maximum Flow in 70 130 220 295 420Metered Direction
Maximum Flow in 60 120 205 346 615Free Flow Direction
Valve will operate mounted in any position. Lock nuton metering screw prevents change in setting duringoperation.
(Revised 03/21/05)
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Wilkerson OperationsEnglewood, Colorado
Pneumatic
Catalog 9CW-BJ-261 Flow Controls & Accessories“3250” Series – 1", 1-1/4" & 1-1/2" PortsFlow Control Valves
ApplicationThese extra large flow control valves have beendeveloped to provide effective flow settings forlarge diameter cylinders and for other similar airapplications. Each valve has a fine screw adjustmentallowing precise settings which are secured bya sturdy lock nut.
OperationLarge internal port passages coupled with unique softseal poppet and inline design provide maximum fullflow capacity and minimum pressure drop in the freeflow direction. Their cone shaped brass metering valvewill provide consistent cylinder speed by regulatingcylinder exhaust.
Flow Capacity InFull Flow Direction
Port Max. FlowModelSize (Needle Open)
Number(NPTF) SCFM** Cv1 1000 12.3 03250 1000
1-1/4 1200 13.8 03250 1250
1-1/2 1800 17.5 03250 1500
** At 100 PSIG inlet pressure with full pressure drop.
Model Selection Information andDimensionsModel Number 03250 1000 03250 1250 03250 1500
Port Size1" 1-1/4" 1-1/2"NPTF
Inches mm Inches mm Inches mm
A 5.00 127 5.00 127 5.88 149
B 6.50 165 6.50 165 8.00 203
C 3.00 76 3.00 76 3.75 95
D 3.25 83 3.25 83 3.50 89
E 2.25 57 2.25 57 2.50 64
F .39 10 .39 10 .39 10
G 1.31 33 1.31 33 1.50 38
H 2.13 54 2.13 54 2.38 60
D
A
F
C
G
E
H(Hex)
FullFlow
AdjFlowB
(Closed)
Technical SpecificationsBody: Cast Aluminum
Port Size: 1", 1-1/4", 1-1/2"
Internal Components: Brass, Aluminum
Seals: Buna N, Urethane
Spring: Stainless Steel
Operating Temperature:Standard: – 40°F to 180°FExtended Options: – 40°F to 350°F
Operating Pressures:Maximum Air: 250 PSIG
6 Wilkerson OperationsEnglewood, Colorado
Pneumatic
Catalog 9CW-BJ-261
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C
LM
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Flow Controls & AccessoriesFCM701 & FCM703 SeriesMiniature Right Angle Flow Control
H
C
LM
D
General InformationMiniature right angle flow controls provide meter outcontrol of exhaust air from an air cylinder whileproviding full flow in the reverse direction. The 10-32male thread can be used to mount directly to cylinderports. The inlet ports are available in 5-32 or 1/4"instant tube fittings. The adjustment screw is captiveand discourages tampering.
This compact flow control saves space and reducesthe number of fittings involved in making theconnection. Plumbing can be oriented 360° aboutthe cylinder port.
Valve SpecificationsMaximum Operating Pressure145 PSIG (10 bar, 1000 kPa) max.
Temperature Range*0°F to 140°F (-18°C to 60°C)
* Ambient temperatures below freezing require moisture-free air.Ambient temperatures below freezing and above 180° requirelubricants especially selected for suitability at these temperatures.Pneumatic valves should be used with filtered and lubricated air.
DimensionsMiniature Exhaust Flow Control FCM701Composite Body
FCM701
FCM703
Tube Thread C Hex H H Flow Adjusted Free FlowPart No. Size Size (mm) Closed Open L M Dia. D Flow (SCFM) (SCFM)
ApplicationThe Right Angle Flow Control is an ideal solution tocylinder speed control where space is at a premium.Costly fittings, connections and piping expenses can beeliminated because the valve can rotate 360°, the pipingalignment can be in any direction.
OperationInstall by threading male end directly into cylinder port.The free-flow and metered-flow direction is automaticallypredetermined. Free-flow direction is into cylinder andmetered-flow is out of the cylinder. Flow is adjusted withan Allen wrench and locked with nut.FC701 Series is available with Prestolok fittings on inletport to accommodate 1/8 – 1/2 tube sizes. This allows forquick connection and eliminates need for separate tubefitting.FC702 Series is available with a threaded inletconnection.FCS701 Series is available with a swivel outlet, for usewhere access is restricted.
Specification and DescriptionBody: Brass Black Epoxy CoatedBolt Material: BrassPlunger: Brass and AcetalSeals: Buna NTemperature Range: -10°F to 200°F (-23°C to 93°C)Pressure Rating: 145 PSIG (10 bar, 1000 kPa) max.Dimensions
M
Hex 1
Hex 2
LOpen
LClosed
N
J
LOpen
LClosed
M
Hex 1
Hex 2
N
J
M
Hex 1
Hex 2
Hex 2L
Open
LClosed
N
J
Tube Thread Hex Hex L L Adjusted Free FlowPart No. Size Size 1 2 Open Closed N M J Flow (SCFM) (SCFM)
* Ambient temperatures below freezing require moisture-free air.Ambient temperatures below freezing and above 180° requirelubricants especially selected for suitability at these temperatures.Pneumatic valves should be used with filtered and lubricated air.
General InformationMiniature right angle flow controls provide meter outcontrol of exhaust air from an air cylinder whileproviding full flow in the reverse direction. TheM5 (10-32) male thread can be used to mountdirectly to cylinder ports. The inlet ports areavailable in M5 (10-32) male or 5/32" instant tubefitting. The adjustment screw is captive anddiscourages tampering.
This compact flow control saves space and reducesthe number of fittings involved in making theconnection. Plumbing can be oriented 360°about the cylinder port.
Component MaterialsBody: Polyamide
Mounting thread: Brass
Model Selection
Dimensions - Inches (mm)
Flow
Ports Wrench Model NumberMale Female Size
M5 M5 5/16" PWRE14557
M5 5/32" Tube 5/16" PWRE14457
Note: Standard 10-32 fittings will fit the M5 threads on valve body.
A
L
K
C
H
3mm Dia.
A C K H L.43 .16 .28 .67 .79(11) (4) (7,2) (17) (20)
No of Exhaust InletTurns (Screw Open) (Screw Closed)
12 1.8 SCFM 1.8 SCFM
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Wilkerson OperationsEnglewood, Colorado
Pneumatic
Catalog 9CW-BJ-261 Flow Controls & Accessories“3251” SeriesHeavy Duty Right Angle Flow Control
ApplicationThe Heavy Duty Right Angle Flow Control is an idealsolution to cylinder speed control where space is ata premium. Costly fittings, connections and pipingexpenses can be eliminated because the valve canrotate 360°, the piping alignment can be in any direction.The 1/8" model can be rotated after final assembly.
OperationInstall by threading male end directly into cylinderport. The free-flow and metered-flow direction isautomatically predetermined. Free-flow direction isinto cylinder and metered-flow is out of the cylinder.Flow is adjusted with an Allen wrench and lockedwith nut.
Heavy Duty Right Angle Flow Control also availablewith Prestolok fittings on inlet port to accommodate5/32 - 3/8 tube sizes. This allows for quick connectionand eliminates need for separate tube fitting.
Specification and DescriptionBody: Brass
Plunger: Brass and Acetal
Seals: Buna N
Temperature Range: 0°F to 140°F (–18°C to 60°C)Pressure Rating: 125 PSIG (863 kPa) max.
Shown withThreaded Inlet
Shown with PrestolokInlet Fitting
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AOpen
BB1
Metered Flow
FreeFlow
Model Selection Information and DimensionsModel Thread Thread A B C Weight Cv
Number (NPT) (NPT) Adjusted FreeMale Female Inches mm Inches mm Inches mm oz. kg. Flow Flow
CAUTION: If it is possible that the ambient temperature may fall below freezing, the medium must be moisture-free to prevent internaldamage or unpredictable behavior.
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10 Wilkerson OperationsEnglewood, Colorado
Pneumatic
Catalog 9CW-BJ-261 Flow Controls & Accessories“SPN” Series – 1/8" to 1/2" PortsNeedle Valves
General InformationThe “SPN” Series needle valves provide excellentbi-directional speed control for pneumatic andhydraulic applications.
“SPN” valves are manufactured with a two step needle.Fine metering is accomplished over the initialadjustment turns and nominal metering is providedover the remaining turns. Once the desired flow isselected, a set screw can be tightened to maintainthe setting.
These valves are available with NPTF ports in 1/8",1/4", 3/8" and 1/2" sizes.
Extended temperature: 0° to 400°F** Ambient temperatures below freezing require moisture-free air.
Ambient temperatures below freezing and above 180° requirelubricants especially selected for suitability at these temperatures.Pneumatic valves should be used with filtered and lubricated air.
Extended Temperature: 0°F to 300°F*(Consult factory)
* Ambient temperatures below freezing require moisture-free air.Ambient temperatures below freezing and above 180° requirelubricants especially selected for suitability at these temperatures.Pneumatic valves should be used with filtered and lubricated air.
Performance Data – Flow
General Information“338” Series needle valves bi-directionally meter theflow of air through the valve.
This series features a fine tapered needle providingprecise flow of air in both directions. Numericalmicrometer position markings are stamped on theperimeter of the adjustment knob which provide avisual indication of the setting. Once the desired flowis selected, a set screw can be tightened to maintainthe setting.
These valves are available with NPTF ports in 1/8",1/4", 3/8" 1/2" and 3/4" sizes. This series isrecommended for pneumatic service.
Operating Temperature0° to 140° F*-40° to 140° F (Hydraulic service)* Ambient temperatures below freezing require moisture-free
air. Ambient temperatures below freezing and above 180°require lubricants especially selected for suitability at thesetemperatures. Pneumatic valves should be used with filteredand lubricated air.
Component MaterialsBody: Brass
Poppet: Stainless Steel
Poppet Seal: Buna (Nitrile)
Poppet Retainer: Stainless Steel
Spring: Stainless Steel
Poppet Style: Soft Seal Standard
Model Selection and DimensionsModel
Number A Port Size D C
SPC200B 1/8-27 NPTF 0.62 2.00
SPC400B 1/4-18 NPTF 0.81 2.62
SPC600B 3/8-18 NPTF 1.00 2.75
SPC800B 1/2-14 NPTF 1.25 3.44
Performance Data - Flow Model Free Flow Orifice Number Port Size, Inches SCFM* Cv area, in.2
“3047” – 1/4" Male Pipe“339” Series – 1/8" to 3/4" Ports
General InformationGeneral Information“339” Series check valves allow free flow in onedirection and provide positive checked (zero flow) inthe reverse direction. These valves are available withNPTF ports in 1/8", 1/4", 3/8", 1/2" & 3/4" sizes. Thisseries is recommended for pneumatic service.
“3047” Series check valves allow free flow in onedirection and provide positive checked (zero flow) inthe reverse direction. This valve is available with amale 1/4" NPTF connection and is recommended forpneumatic service.
Operating TemperatureStandard: 0° to 180° F** Ambient temperatures below freezing require moisture-free air.
Ambient temperatures below freezing and above 180° requirelubricants especially selected for suitability at these temperatures.Pneumatic valves should be used with filtered and lubricated air.
Component MaterialsBody Material: Brass
Internal Components: Brass/Stainless Steel
Seals: Nitrile
† At 100 PSIG inlet pressure with full pressure drop.
Model Selection and DimensionsPort Model Flow† Dimensions ServiceSize Number (SCFM) A B Kit
Muffler / filters effectively reduce air exhaust noises toan industry accepted level with minimum flowrestriction. They protect valves, impact wrenches,screw drivers and other air tools by preventing dirt andother foreign matter from entering the system. Non-corrosive. Can be cleaned with many commonsolvents.
Maximum Operating Pressure250 PSIG (Air)
Operating Temperature0° to 300° F*
Muffler / Flow ControlsMuffler / Flow controls provide an acceptable exhaustnoise level and effectively meter exhaust. Installed invalve exhaust ports, they control cylinder pistonspeeds throughout a wide range. The adjusting screwcannot be accidently blown out, can be locked tomaintain setting. Brass and bronze construction.Clean with commonly used solvents.
Breather VentsThese low silhouette versions of the muffler/filter areuseful where space is a problem and/or to preventcontamination. Use for vacuum relief or pressureequalization in gear boxes, oil tanks, reservoirs, etc.Non-corrosive.
Maximum Operating Pressure250 PSIG (Air)
Operating Temperature0° to 300° F** Ambient temperatures below freezing require moisture-free air.
Ambient temperatures below freezing and above 180° requirelubricants especially selected for suitability at these temperatures.Pneumatic valves should be used with filtered and lubricated air.
NOTE: Breather vents should notbe used as exhaust mufflers.
The silencer is designed to give superior performancein noise control with a minimum effect on air efficiency.“Trimline” design allows location in the tightest placeswithout extra plumbing and fittings. Fits directly into theexhaust port of more than 90% of present commercialvalves. Slotted body permits rapid discharge of airwithout undesirable back pressure. Unique nylonscreen element resists dirt buildup or clogging.
Maximum Operating Pressure
250 PSIG (Air)
Operating Temperature
0° to 300° F*
16 Wilkerson OperationsEnglewood, Colorado
Pneumatic
Catalog 9CW-BJ-261
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Flow Controls & AccessoriesASN Series – M5, 1/8", 1/4", 3/8" & 1/2"Air Line Silencer – Plastic
Features• Compact
• Lightweight
• Easy to install
• Excellent noise reduction
• Protects components fromcontamination
• NPT & BSPT threads available
ApplicationThe plastic silencer is designed to give excellent noisereduction with a minimum effect on air efficiency.The “Trimline” design allows for locating the silencerin the tightest places without extra plumbing or fittings.Fits directly into the exhaust port of most commercialvalves. Open surface area of element allows for rapiddischarge of air without undesirable back pressure.
Specifications
Body:Acetal (Plastic)
Element:Polyethylene
Pressure Rating:0 to 150 PSIG(0 to 10 bar, 0 to 1034 kPa)
Temperature Rating:14°F to 140°F (-10°C to 60°C)
Part Maximum Flow Sound PressureThread Number A B (SCFM) Level (dBA)
Catalog 9CW-BJ-261 Flow Controls & AccessoriesECS Series – 1/2" & 1"Air Line Muffler – Reclassifier
0 10 20 30 40 50 60 70 80 90 100
SCFM
0
20
40
60
80
100
120
Flow vs. Noise Level
■
❏
●
❍
■❏
●❍ 1" Open Pipe
ECS51/2" Open PipeECS3
dBa
10 20 30 40dm3/sn
0 10 20 30 40 50 60 70 80 90 100
SCFM
0
2
4
6
8
10
Flow vs. Back Pressure
■ ●
■
●
ECS3 Back PressureECS5 Back Pressure
PSID
10 20 30 40dm3/sn
.14
.28
.41
.55
.69
bar
Dimensions:Model A B CECS3 5.30 1/2" 2.57
(135 mm) NPT (65 mm)ECS5 7.30 1" 2.57
(185mm) NPT (65mm)
A
➤
➤
➤ ➤C
➤
B
Performance Characteristics
FeaturesThe ECS (Muffler-Reclassifier) eliminates unwanted oilmist and reduces exhaust noise from pneumaticvalves, cylinders and air motors.
• 99.97% Oil removal efficiencies
• 25 dBA Noise attenuation
• 1/2" NPT and 1" NPT
• Disposable units
• Continuous or plugged drain option
• Metal retained construction
• Fast exhaust time
Improve Overall Plant EnvironmentExhaust oil mist and noise pollution have a directimpact on worker productivity.
Oil aerosol mist from lubricators and compressors ispervasive and enters the industrial plant environmentthrough the exhaust ports of valves, cylinders and airmotors. This rapidly expanding exhaust also producessudden and excessive noise.
The ECS (Muffler-Reclassifier) is 99.97% efficient atremoving the oil aerosols. The ECS also acts as asilencer to lower the dBA levels below O.S.H.A.requirements.
The result is a cleaner, quieter environment whichequates to greater work productivity and safety.
OperationCompressor oils and lubricating oils are exhaustedfrom valves, cylinders and air motors into the ECS.Oil aerosols are “coalesced” into larger droplets andgravity pulls them into the attached drain sump.The sump can then be drained manually or by usinga 1/4" ID plastic tube drain. The air flowing into theECS is also muffled or silenced as it enters the insideof the ECS and passes through the filter media intothe atmosphere.
Proven TechnologyThe ECS units are constructed from the samematerials that go into our oil removal coalescing filterelements.The seamless design insures media uniformity andstrength. This proven technology provides highcoalescing efficiency with low pressure drop.
The filter media is supported by cylindrical perforatedsteel retainers both inside and out. These retainers,fully plated for excellent corrosion resistance, give theECS units high rupture strength in either flow direction.These filters can also be used as high efficiency inlet orbypass filters for vacuum pumps, or breather elementsto protect the air above critical process liquids.
ECS3 / ECS5The ECS solves two problems inherent in compressedair exhaust from valves, cylinders and air motors - oilmist removal and noise abatement.
The ECS will improve your industrial plant environment,thereby improving worker productivity.
Features• Large relief capacity in a compact size.
• Lightweight aluminum construction with resilient seat.
ApplicationThe RV01A1N Pop Off Relief Valve is designed toprotect against excessive pressure buildup in apneumatic circuit or system.
OperationWith the relief valve mounted in a reservoir or system,the force of system pressure at (A) is offset by theforce of spring (C) acting on poppet seat (B). Atpressures lower than the setting, the poppet seat (B) isheld against the body at (A) effecting a seal.
When pressure rises above the set point, the force ofthe pressure lifts the poppet seat (B) off the body at (A)allowing the excess pressure to vent to atmosphere at(F). When the excess pressure has been vented, thespring (C) acts on the poppet seat (B) forcing it to seaton the body at (A), sealing off the flow of air.
SpecificationBody, Lock Nut & Adjusting Screw: AluminumSeat: Nitrile Spring: Steel Poppet: PlasticOperating Temperature: 32°F to 200°F (0°C to 93°C)Port Threads: 1/4 Inch MaleRelief Range:50 to 200 PSIG (1.7 to 14 bar) with standard spring.Consult factory for pressures below 50 PSIG.
Ordering Information
Features• Auto drain ported 1/8" to pipe away liquid.
• Drain has manual override.
• Easily serviced without tool.
• 10-250 PSIG range.
• Compact size.
SpecificationsHousing & Cap:Aluminum
Port Threads:1/4" - 1/2" Top1/8" Drain
Pressure & Temperature RatingsMetal Bowl:0 to 250 PSIG (0 to 1725 kPa)32°F to 175°F (0°C to 80°C)
Seals:Buna N
Ordering InformationConsists of Drip Leg Drain Housing WITH Auto Drain.
Model No. Size
06D1NA 1/4"
06D3NA 1/2"
A B C
2.50 2.37 .87
64 mm 60 mm 22 mm
RV01A1N 100
Standard Model With Specify Pressure Setting1/4 Inch Male Thread PSIG Using Three Digits –
† At 100 PSIG inlet pressure with full pressure drop.
General InformationQuick exhaust valves provide rapid exhaust of controlair when placed between control valve and actuator.They can also be used as shuttle valves.Diaphragm materials are available in urethane, Nitrile,Fluorocarbon, and PTFE to meet a wide variety ofoperating conditions.
Minimum: 3 PSIG50 PSIG for Model No. 03340 0199(PTFE diaphragm)
Operating TemperatureUrethane: 0°F to 180°F* (-18°C to 80°C)Nitrile: 0°F to 180°F* (-18°C to 80°C)Fluorocarbon: 0°F to 400°F* (-18°C to 205°C)PTFE: 0°F to 500°F* (-18°C to 260°C)* Ambient temperatures below freezing require moisture-free air.
Ambient temperatures below freezing and above 180° requireslubricants especially selected for suitability at these temperatures.Pneumatic valves should be used with filtered and lubricated air.
Component MaterialsBody Material: Die cast aluminumStatic Seals: Nitrile standard with urethane
(Others see below)Diaphragm: Standard – Urethane
Optional – Fluorocarbon, PTFE,or Nitrile (Depending on size)
Mounting Bracket Kit –No. 03640 8100(Including body screws)For “0R12” and “0R25” sizes.
† At 100 PSIG inlet pressure with full pressure drop. Bold part numbers standard.
Model Selection, Performance Data and DimensionsPort Flow Model Number Service
1 2 3 (SCFM†) NPTF BSPP “G”A B C
Kit No.
STANDARD URETHANE DIAPHRAGMS (Nitrile static seals)
Rapid Retraction –Double Acting CylinderIn this circuit, air is exhaustedthrough a Quick Exhaust Valve thatis close coupled to the cap endof the cylinder. Because the QuickExhaust Valve has a greaterexhaust capacity than the four-wayControl Valve, increased cylinderspeed can be accomplished with asmaller and less expensive controlvalve.
Dual Pressure Actuation ofDouble Acting CylinderThis circuit utilizes a Quick ExhaustValve and a three-way ControlValve to permit rapid extension ofthe cylinder at a high pressure.Retraction can be accomplished ata lower pressure, thus saving airand increasing cylinder life.NOTE: Line pressure must be 3 or 4 timesgreater than rod end pressure. Effectiveworking pressure is the differential betweenthe cap and rod end.
Bi-Directional Control of TwoDouble Acting CylindersThis circuit provides maximumcontrol with a minimum of valving.A large four-way Control Valve isnot needed to permit the rapidretraction of Cylinder A, as theQuick Exhaust Valve performsthis function. The extension ofCylinders A and B and retractionof Cylinder B are controlled bySpeed Control Valves.
Typical “Shuttle Valve” Applications
Typical “Quick Exhaust Valve” Applications
“OR” CircuitThe most common application ofthe Shuttle Valve is the “OR” Circuit.Here a cylinder or other work devicecan be actuated by either controlvalve. The valves can be manuallyor electrically actuated and locatedin any position.
Memory CircuitThis circuit enables continuousoperation once initiated. Pressureis delivered to the circuit when ValveA is actuated. This allows pressureto pass through the shuttle valveactuating Valve B. Pressure thenflows through Valve B and also theother side of the shuttle valve whichholds Valve B open for continuousoperation. To unlock the circuit,Valve C must be opened to exhaustthe circuit and allow Valve B toreturn to its normally closedposition.
InterlockThis circuit prevents the occurrenceof a specific operation while one oranother operation takes place.When either Valve A or B isactuated to perform operation 1 or2, Valve D is shifted to the closedposition and prevents operation 3from occurring.
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Wilkerson OperationsEnglewood, Colorado
Pneumatic
Catalog 9CW-BJ-261 Flow Controls & Accessories1/8" to 3/8" PortsShuttle Valve
C
F
E
G B
AA1
J
H
K(3 Ports)
L Dia.(2 Holes)
OUTLET
INLETINLET
D
Shuttle valves determine a single pneumatic outputfrom two separate inputs. If pressure is applied toboth ports simultaneously, the valve will select theport with the higher pressure.
Component MaterialsBody Material: Aluminum
Internal Components: Aluminum
Seals: Nitrile
General Information
Valve SpecificationsMaximum Operating Pressure200 PSIG Maximum
3 PSIG Minimum: Differential Pressure
Operating Temperature0° to160° F*
* Ambient temperatures below freezing require moisture-free air.Ambient temperatures below freezing and above 180° requirelubricants especially selected for suitability at these temperatures.Pneumatic valves should be used with filtered and lubricated air.
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Model Selection and Dimensions
Performance Data – Flow
Port DimensionsSize Model A A1 B C D E F G H J K L