Valve Function Valve Function |
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Exhaust Connection Type Exhaust Connection Type |
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Flow Control Flow Control |
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Flow Coefficient (Cv) Flow Coefficient (Cv) |
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Maximum Flow Rate Maximum Flow Rate |
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Choosing an Air Directional Control Valve
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Matching Flow Diagrams to Replace an Air Directional Control Valve
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About Flow Control Valves
Also known as cylinder speed controls, flow control valves let you control the extension or retraction speed of your air cylinder. They regulate airflow as it passes from the valve's inlet to its outlet. Air flows freely in the opposite direction.
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Elbow Air-Exhaust Control Valves
The 90° elbow shape allows you to install these valves in tight spaces. They quickly vent exhaust air to the atmosphere or divert it to another place in your system to speed up the movement of air cylinders. Also known as quick exhaust valves.
NPTF (Dryseal) threads are compatible with NPT threads.
Flow coefficient (Cv) is a measurement that indicates how much airflow can pass through a valve. When selecting between valves with the same port size, choose the valve with the higher flow coefficient to ensure it provides enough airflow to operate your system.
For technical drawings and 3-D models, click on a part number.
Overall | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Flow Ports | Inlet Size | Outlet Size | Exhaust Connection Type | Max. Flow Rate, scfm @ 100 psi | Flow Coefficient (Cv) | Pressure Range, psi | Body Material | Lg. | Wd. | Ht. | Each | |
Threaded Female Inlet × Threaded Female Outlet | ||||||||||||
| 3 | 1/8 NPT | 1/4 NPT | Threaded | 61 | 1 | 20-125 | Aluminum | 1 7/8" | 1 5/8" | 1 7/16" | 0000000 | 000000 |
| 3 | 1/4 NPT | 1/4 NPT | Threaded | 141 | 2.33 | 20-125 | Aluminum | 2 1/16" | 1 9/16" | 2 1/8" | 0000000 | 00000 |
| 3 | 1/4 NPTF | 1/4 NPTF | Threaded | 159 | 2.71 | 30-125 | Aluminum | 1 3/4" | 1 7/8" | 2 9/16" | 0000000 | 00000 |
| 3 | 3/8 NPT | 3/8 NPT | Threaded | 178 | 2.98 | 20-125 | Aluminum | 2 1/16" | 1 9/16" | 2 1/8" | 0000000 | 00000 |
| 3 | 1/2 NPT | 1/2 NPT | Threaded | 336 | 5.45 | 20-125 | Aluminum | 3 1/8" | 2 15/16" | 3 5/16" | 0000000 | 00000 |
| 3 | 3/4 NPT | 3/4 NPT | Threaded | 447 | 7.84 | 20-125 | Aluminum | 3 1/8" | 2 15/16" | 3 5/16" | 0000000 | 00000 |
| 3 | 10-32 UNF | 10-32 UNF | Threaded | 9 | 0.17 | 15-150 | Brass | 5/8" | 1/4" | 1/2" | 0000000 | 00000 |
Elbow Air-Exhaust Control Valves with Flow Control
Control the flow of exhaust air while also regulating the exhaust air speed. These valves dump exhaust air to the atmosphere without routing it back through a directional control valve. They control flow in one direction as air flows from the inlet to the outlet, and adjust the volume of exhaust air exiting an air cylinder (meter out) to control its speed. Air flows freely in the opposite direction. They have a 90° elbow shape that allows you to install them in tight spaces. The push-to-connect outlet ports are for use with plastic or soft metal tubing; insert tubing into the ports. A muffler reduces exhaust noise. Also known as quick exhaust valves.
Flow coefficient (Cv) is a measurement that indicates how much airflow can pass through a valve. When selecting between valves with the same port size, choose the valve with the higher flow coefficient to ensure it provides enough airflow to operate your system.
For technical drawings and 3-D models, click on a part number.
Overall | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Flow Ports | Inlet Size | For Outlet Tube OD | Exhaust Connection Type | Max. Flow Rate, scfm @ 100 psi | Flow Coefficient (Cv) | Pressure Range, psi | Body Material | Lg. | Wd. | Ht. | Each | |
Threaded Male Inlet × Push-to-Connect Female Outlet | ||||||||||||
| 3 | 1/8 NPT | 1/4" | None (To Atmosphere) | 14.05 | 0.44 | 14-145 | PBT Plastic | 2 7/8" | 11/16" | 1 1/16" | 00000000 | 000000 |
| 3 | 1/8 NPT | 5/16" | None (To Atmosphere) | 24.91 | 0.78 | 14-145 | PBT Plastic | 2 7/8" | 15/16" | 1 3/16" | 00000000 | 00000 |
| 3 | 1/8 NPT | 3/8" | None (To Atmosphere) | 24.91 | 0.78 | 14-145 | PBT Plastic | 3 3/8" | 15/16" | 1 5/16" | 00000000 | 00000 |
| 3 | 1/4 NPT | 1/4" | None (To Atmosphere) | 14.05 | 0.44 | 14-145 | PBT Plastic | 2 7/8" | 11/16" | 1 1/8" | 00000000 | 00000 |
| 3 | 1/4 NPT | 5/16" | None (To Atmosphere) | 24.91 | 0.78 | 14-145 | PBT Plastic | 3 1/4" | 15/16" | 1 3/8" | 00000000 | 00000 |
| 3 | 1/4 NPT | 3/8" | None (To Atmosphere) | 24.91 | 0.78 | 14-145 | PBT Plastic | 3 3/8" | 15/16" | 1 5/8" | 00000000 | 00000 |
| 3 | 1/4 NPT | 3/8" | None (To Atmosphere) | 47.89 | 1.5 | 14-145 | PBT Plastic | 3 9/16" | 15/16" | 1 5/8" | 00000000 | 00000 |
| 3 | 3/8 NPT | 5/16" | None (To Atmosphere) | 24.91 | 0.78 | 14-145 | PBT Plastic | 3 1/4" | 15/16" | 1 1/8" | 00000000 | 00000 |
| 3 | 3/8 NPT | 3/8" | None (To Atmosphere) | 24.91 | 0.78 | 14-145 | PBT Plastic | 3 3/8" | 15/16" | 1 5/16" | 00000000 | 00000 |
| 3 | 3/8 NPT | 3/8" | None (To Atmosphere) | 51.09 | 1.6 | 14-145 | PBT Plastic | 3 9/16" | 1 3/16" | 1 3/4" | 00000000 | 00000 |
| 3 | 1/2 NPT | 3/8" | None (To Atmosphere) | 51.09 | 1.6 | 14-145 | PBT Plastic | 3 9/16" | 1 3/16" | 1 5/8" | 00000000 | 00000 |
Quiet Air-Exhaust Control Valves
A muffler on these valves reduces exhaust noise. They allow airflow into your equipment and then quickly vent exhaust air to the atmohphere without routing it back through a directional control valve to speed up the movement of equipment. Also known as quick exhaust valves.
Flow coefficient (Cv) is a measurement that indicates how much airflow can pass through a valve. When selecting between valves with the same port size, choose the valve with the higher flow coefficient to ensure it provides enough airflow to operate your system.
Overall | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Flow Ports | For Inlet Tube OD | For Outlet Tube OD | Exhaust Connection Type | Maximum Flow Rate | Flow Coefficient (Cv) | Pressure Range, psi | Body Material | Lg. | Wd. | Ht. | Each | |
Push-to-Connect Female Inlet × Push-to-Connect Female Outlet | ||||||||||||
| 3 | 1/4" | 1/4" | None (To Atmosphere) | 0 scfm @ 0 psi | 0.54 | 14-145 | PBT Plastic | 1 5/8" | 1/2" | 5/8" | 0000000 | 000000 |
| 3 | 1/4" | 1/4" | None (To Atmosphere) | 0 scfm @ 0 psi | 0.8 | 14-145 | PBT Plastic | 2" | 1/2" | 3/4" | 0000000 | 00000 |
| 3 | 4mm | 4mm | None (To Atmosphere) | 4.47 scfm @ 100 psi | 0.14 | 14-145 | PBT Plastic | 39.7mm | 10mm | 14.3mm | 0000000 | 00000 |
| 3 | 6mm | 6mm | None (To Atmosphere) | 0 scfm @ 0 psi | 0.8 | 14-145 | PBT Plastic | 44.5mm | 11.6mm | 19mm | 0000000 | 00000 |
| 3 | 6mm | 6mm | None (To Atmosphere) | 4.79 scfm @ 100 psi | 0.15 | 14-145 | PBT Plastic | 41.3mm | 11.6mm | 15.9mm | 0000000 | 00000 |
Air-Exhaust Control Valves
Allow airflow into your equipment and then quickly vent exhaust air to the atmohphere without routing it back through a directional control valve to speed up the movement of equipment. NPTF (Dryseal) threads are compatible with NPT threads. Also known as quick exhaust valves.
Flow coefficient (Cv) is a measurement that indicates how much airflow can pass through a valve.
For technical drawings and 3-D models, click on a part number.
Overall | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Flow Ports | Inlet Size | Outlet Size | Exhaust Connection Type | Max. Flow Rate, scfm @ 100 psi | Flow Coefficient (Cv) | Pressure Range, psi | Body Material | Lg. | Wd. | Ht. | Each | |
Threaded Female Inlet × Threaded Male Outlet | ||||||||||||
| 3 | 1/8 NPTF | 1/8 NPTF | None (To Atmosphere) | 6 | 0.1 | 30-125 | Aluminum and Brass | 1/2" | 1/2" | 1 13/16" | 0000000 | 000000 |
Air-Exhaust Flow Control Valves
Install these valves in the exhaust ports of air directional control valves to control exhaust air speed without needing access to your cylinder. They control flow in one direction as air moves from the inlet to the exhaust port (meter out). Air flows freely in the opposite direction. Valves include a muffler to reduce the exhaust noise.
Flow coefficient (Cv) is a measurement that indicates how much airflow can pass through a valve. When selecting between valves with the same port size, choose the valve with the higher flow coefficient to ensure it provides enough airflow to operate your system.
For technical drawings and 3-D models, click on a part number.
Overall | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Flow Ports | Inlet Size | Exhaust Connection Type | Max. Flow Rate, scfm @ 100 psi | Flow Coefficient (Cv) | Max. Pressure, psi | Body Material | Hex Size | Dia. | Lg. | Each | |
Threaded Male Inlet | |||||||||||
Dial Flow Adjustment Mechanism | |||||||||||
| 2 | 1/8 BSPP | None (To Atmosphere) | 35 | 1.016 | 145 | Aluminum | __ | 16mm | 46mm | 0000000 | 000000 |
| 2 | 1/4 BSPP | None (To Atmosphere) | 52.5 | 1.524 | 145 | Aluminum | __ | 19.5mm | 63.3mm | 0000000 | 00000 |
| 2 | 3/8 BSPP | None (To Atmosphere) | 59.5 | 1.728 | 145 | Aluminum | __ | 25mm | 95.3mm | 0000000 | 00000 |
| 2 | 1/2 BSPP | None (To Atmosphere) | 141.26 | 2.982 | 145 | Aluminum | __ | 28mm | 130mm | 00000000 | 00000 |
| 2 | 3/4 BSPP | None (To Atmosphere) | 268.39 | 5.965 | 145 | Aluminum | __ | 38mm | 157mm | 00000000 | 00000 |
Slotted Screw Flow Adjustment Mechanism | |||||||||||
| 2 | 1/8 NPT | None (To Atmosphere) | 19.21 | 0.52 | 145 | Aluminum | 9/16" | 5/8" | 1 1/8" | 0000000 | 00000 |
| 2 | 1/8 BSPP | None (To Atmosphere) | 19.21 | 0.52 | 145 | Aluminum | 14mm | 15mm | 27mm | 00000000 | 00000 |
| 2 | 1/4 NPT | None (To Atmosphere) | 37 | 1 | 145 | Aluminum | 11/16" | 3/4" | 1 5/16" | 0000000 | 00000 |
| 2 | 1/4 BSPP | None (To Atmosphere) | 37 | 1 | 145 | Aluminum | 17mm | 18.2mm | 32.1mm | 00000000 | 00000 |
| 2 | 3/8 NPT | None (To Atmosphere) | 74 | 2 | 145 | Aluminum | 7/8" | 1" | 1 5/8" | 0000000 | 00000 |
| 2 | 3/8 BSPP | None (To Atmosphere) | 74 | 2 | 145 | Aluminum | 22mm | 25mm | 41.1mm | 00000000 | 00000 |
| 2 | 1/2 NPT | None (To Atmosphere) | 133.2 | 3.6 | 145 | Aluminum | 15/16" | 1 1/16" | 1 7/8" | 0000000 | 00000 |
| 2 | 1/2 BSPP | None (To Atmosphere) | 133.2 | 3.6 | 145 | Aluminum | 24mm | 27mm | 44.6mm | 00000000 | 00000 |
Thumb Screw Flow Adjustment Mechanism | |||||||||||
| 2 | 1/8 BSPT | None (To Atmosphere) | 10.59 | 0.201 | 145 | Brass | 10mm | 14mm | 35.8mm | 00000000 | 00000 |
| 2 | 1/4 BSPT | None (To Atmosphere) | 17.66 | 0.313 | 145 | Brass | 14mm | 18mm | 37mm | 00000000 | 00000 |
| 2 | M5 Metric | None (To Atmosphere) | 3.35 | 0.06 | 145 | Brass | 8mm | 10mm | 23.4mm | 00000000 | 00000 |
| 2 | M7 Metric | None (To Atmosphere) | 4.24 | 0.075 | 145 | Brass | 8mm | 10mm | 26.9mm | 00000000 | 00000 |
Made-to-Order Air-Operated Air-Exhaust Control Valves
When these valves receive an air signal, they quickly dump exhaust air to the atmosphere without routing it back through a directional control valve to speed up the movement of equipment. They're often used with air compressors that require continuous operation. A muffler reduces exhaust noise. Also known as quick exhaust valves.
To Order: Specify minimum pressure and maximum pressure from the ranges listed. The difference between the minimum pressure and maximum pressure must be at least 10 psi, but no more than 30 psi.
Overall | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Flow Ports | Inlet Size | For Outlet Tube ID | Exhaust Connection Type | Air Pilot Size | Max. Flow Rate, scfm @ 100 psi | Flow Coefficient (Cv) | Body Material | Lg. | Wd. | Ht. | Choose a Pressure Range Min. | Choose a Pressure Range Max. | Each | |
Threaded Female Inlet × Barbed Male Outlet × Threaded Male Air Pilot | ||||||||||||||
| 4 | 1/8 NPT | 1/4" | None (To Atmosphere) | 1/4 NPT | 20 | Not Rated | Brass | 2 7/8" | 2 1/16" | 3 3/8" | 40 to 240 psi in 1 psi increments | 50 to 250 psi in 1 psi increments | 0000000 | 000000 |