Matching Flow Diagrams to Replace an Air Directional Control Valve
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Choosing an Air Directional Control Valve
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About On/Off Valves
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Fast-Acting Compact Threaded On/Off Valves
Compact
Push Button
Often used in testing and sampling applications, these valves open and close with the push of a button. They’re also known as push-button valves and are designed for installation in tight spots.
Normally open valves close when the button is pushed and spring open when the button is released.
Normally closed valves open when the button is pushed and spring closed when the button is released.
Valves with an exhaust port release media through a small, secondary output when they are closed. When valves are open, the exhaust port is closed.
Flow coefficient (Cv) is the amount of water (in gallons per minute) at 60° F that will flow through a fully open valve with a difference of 1 psi between the inlet and the outlet.
For technical drawings and 3-D models, click on a part number.
- Valve Type: Stem
- For Use With: Air, Oil, Water
- Seal Material: Buna-N Rubber
Pipe Size | Thread Size | Flow Coefficient (Cv) | Max. Pressure | Temperature Range, °F | Port-to-Port Lg. | Each | |
Compact Push Button | |||||||
|---|---|---|---|---|---|---|---|
Normally Open | |||||||
NPT Female × NPT Female | |||||||
| 1/8 | __ | 0.21 | 150 psi @ 180° F | 35° to 230° | 9/16" | 0000000 | 000000 |
Normally Closed | |||||||
NPT Female × NPT Female | |||||||
| 1/8 | __ | 0.44 | 300 psi @ 180° F | 35° to 230° | 9/16" | 0000000 | 00000 |
UNF Female × UNF Female | |||||||
| __ | 10-32 | 0.12 | 300 psi @ 180° F | 35° to 230° | 5/16" | 0000000 | 00000 |
Mushroom Push Button | |||||||
Normally Open | |||||||
NPT Female × NPT Female | |||||||
| 1/8 | __ | 0.21 | 150 psi @ 180° F | 35° to 230° | 9/16" | 0000000 | 00000 |
UNF Female × UNF Female | |||||||
| __ | 10-32 | 0.18 | 150 psi @ 180° F | 35° to 230° | 5/16" | 0000000 | 00000 |
Normally Closed | |||||||
NPT Female × NPT Female | |||||||
| 1/8 | __ | 0.44 | 300 psi @ 180° F | 35° to 230° | 9/16" | 0000000 | 00000 |
UNF Female × UNF Female | |||||||
| __ | 10-32 | 0.12 | 300 psi @ 180° F | 35° to 230° | 5/16" | 0000000 | 00000 |
- Valve Type: Stem
- For Use With: Air
- Seal Material: Buna-N Rubber
Two-Speed Two-Action Air Directional Control Valves
Often used to extend and then retract a cylinder at different speeds, these valves create two actions and have two exhaust ports. They direct airflow from the inlet to your equipment and exhaust return airflow to create motion. Also known as 4-way and 5/2 valves.
Valves with threaded exhaust connection type allow you to control the speed of each action by attaching a flow control valve to each exhaust port.
Valves with spring return actuation return to their original position as soon as you release the actuator.
Valves with hand return actuation stay actuated and return to their original position only when you move the actuator again.
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.
O'all | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Flow Ports | Inlet Size | Outlet Size | Exhaust Connection Type | Max. Flow Rate, scfm @ 100 psi | Flow Coefficient (Cv) | Pressure Range, psi | Vacuum Rating, in. of Hg | Lg. | Wd. | Ht. | For Panel Cutout Dia. | Mounting Fasteners Included | Each | ||
Threaded Female Inlet × Threaded Female Outlet | |||||||||||||||
Spring Return Actuation | |||||||||||||||
| K | 5 | 1/4 NPT | 1/4 NPT | Threaded | 32.5 | 0.98 | 0-145 | 26.5 | 1 1/8" | 1 7/8" | 5 3/4" | 7/8" | No | 0000000 | 0000000 |
| K | 5 | 1/4 NPT | 1/4 NPT | Threaded | 53 | 1.6 | 0-150 | 29 | 2 1/4" | 1 3/8" | 7" | 7/8" | Yes | 0000000 | 000000 |
| L | 5 | 1/8 NPT | 1/8 NPT | Threaded | 14 | 0.24 | 25-125 | Not Rated | 1 3/8" | 1 3/8" | 3 5/8" | 1/2" | No | 00000000 | 000000 |
| N | 5 | 10-32 UNF | 10-32 UNF | Threaded | 15.3 | 0.23 | 0-125 | Not Rated | 3/4" | 11/16" | 2 5/8" | 1/2" | Yes | 00000000 | 00000 |
| N | 5 | 10-32 UNF | 10-32 UNF | Threaded | 16 | 0.23 | 0-125 | Not Rated | 3/4" | 11/16" | 2 5/8" | 1/2" | Yes | 00000000 | 00000 |
| P | 5 | 1/8 NPT | 1/8 NPT | Threaded | 16 | 0.37 | 0-125 | Not Rated | 1 1/4" | 5/8" | 2 5/8" | 1/2" | Yes | 00000000 | 00000 |
| Q | 5 | 1/8 NPT | 1/8 NPT | Threaded | 14 | 0.24 | 25-125 | Not Rated | 1 5/8" | 1 5/8" | 3/4" | 1 1/4" | No | 00000000 | 000000 |
| R | 5 | 1/8 NPT | 1/8 NPT | Threaded | 10.5 | 0.186 | 0-150 | 28 | 1 1/4" | 5/8" | 2 5/8" | 1/2" | Yes | 00000000 | 00000 |
Hand Return Actuation | |||||||||||||||
| K | 5 | 1/4 NPT | 1/4 NPT | Threaded | 32.5 | 0.98 | 0-145 | 26.5 | 1 1/8" | 1 7/8" | 6 1/8" | 7/8" | No | 0000000 | 000000 |
| K | 5 | 1/4 NPT | 1/4 NPT | Threaded | 53 | 1.6 | 0-150 | 29 | 2 1/4" | 1 3/8" | 7 1/4" | 7/8" | Yes | 0000000 | 000000 |
| L | 5 | 1/8 NPT | 1/8 NPT | Threaded | 25 | 0.8 | 0-120 | Not Rated | 7/8" | 1 3/8" | 3 7/8" | 5/8" | No | 00000000 | 00000 |
| M | 5 | 1/8 NPT | 1/8 NPT | Threaded | 19 | 0.34 | 15-150 | Not Rated | 1 1/2" | 1 1/2" | 4 1/2" | 1 1/4" | __ | 00000000 | 000000 |
| S | 5 | 1/4 NPT | 1/4 NPT | Threaded | 56 | 1 | 40-120 | Not Rated | 3" | 1 7/8" | 2" | __ | No | 0000000 | 000000 |
Two-Hand Two-Action Air Directional Control Valves
Since both hands are required to simultaneously press the buttons, these valves protect workers from accidental machinery start-up. Also known as 4-way and 4/2 valves, they create two actions, such as extending and then retracting a double-acting cylinder. They direct airflow from the inlet to your equipment and exhaust return airflow to create motion. Return actuation is by spring, so valves return to their original position as soon as you release the actuator.
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 | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Actuation Force, oz. | No. of Flow Ports | Inlet Size | For Inlet Tube OD | Outlet Size | For Outlet Tube OD | Exhaust Connection Type | Max. Flow Rate, scfm @ 100 psi | Flow Coefficient (Cv) | Pressure Range, psi | Vacuum Rating | Lg. | Wd. | Ht. | Mounting Fasteners Included | Each | |
Threaded Female Inlet × Threaded Female Outlet | ||||||||||||||||
| 6 | 4 | 1/4 NPTF | 1/4" | 1/4 NPTF | 1/4" | Threaded | 56 | 1 | 70-100 | Not Rated | 10 1/2" | 3 1/2" | 3 3/16" | No | 00000000 | 000000000 |
| 18 | 4 | 1/4 NPTF | 1/4" | 1/4 NPTF | 1/4" | Threaded | 56 | 1 | 70-100 | Not Rated | 10 1/2" | 3 1/2" | 3 3/16" | No | 00000000 | 00000000 |
Single-Action Air Directional Control Valves
Manually control these valves by pushing or turning the actuator. Also known as 3-way or 3/2 valves, they create one action, such as extending a cylinder. They direct airflow from the inlet to your equipment and exhaust return airflow to create motion. In the off position, they exhaust air pressure from the system, allowing equipment to reset so the action can be repeated. Valves without an exhaust connection exhaust air to the atmosphere.
Normally closed valves block airflow until actuated. Valves that are both normally closed and normally open can be installed to block airflow, or allow air to flow until actuated.
Valves with hand return actuation stay actuated and go back to their starting position only when you move the actuator again. Valves with spring return actuation go back to their starting position as soon as you release the actuator.
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 | For Panel Cutout | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Flow Ports | Inlet Size | Outlet Size | Exhaust Connection Type | Max. Flow Rate, scfm @ 100 psi | Flow Coefficient (Cv) | Pressure Range, psi | Vacuum Rating, in. of Hg | Actuator Color | Lg. | Wd. | Ht. | Dia. | Wd. | Lg. | Mounting Fasteners Included | Each | ||
Normally Closed Flow Positions | ||||||||||||||||||
Hand Return Actuation | ||||||||||||||||||
| Q | 3 | 1/8 NPT | 1/8 NPT | Threaded | 10.7 | 0.34 | 0-145 | 26.5 | Red | 4 1/2" | 7/8" | 1 3/8" | 1 1/4" | __ | __ | No | 00000000 | 0000000 |
| R | 3 | 1/4 NPT | 1/4 NPT | Threaded | 32.5 | 0.98 | 0-145 | 26.5 | Black | 1 1/8" | 1 7/8" | 5 1/4" | 7/8" | __ | __ | No | 0000000 | 000000 |
| R | 3 | 1/4 NPT | 1/4 NPT | Threaded | 53 | 1.6 | 0-150 | 29 | Black | 2 1/4" | 1 3/8" | 6 3/8" | 7/8" | __ | __ | Yes | 0000000 | 000000 |
Spring Return Actuation | ||||||||||||||||||
| M | 3 | 1/8 NPT | 1/8 NPT | Threaded | 6 | 0.11 | 0-120 | 23 | Black | 1 3/4" | 3/4" | 2 3/8" | 1/2" | 3/4" | 1 3/4" | Yes | 0000000 | 00000 |
| N | 3 | 1/8 NPT | 1/8 NPT | Threaded | 6 | 0.11 | 0-120 | 23 | Red | 2 3/8" | 2 3/8" | 3 5/16" | 1 1/4" | 3/4" | 1 3/4" | Yes | 0000000 | 000000 |
| P | 3 | 1/8 NPT | 1/8 NPT | Threaded | 6 | 0.106 | 0-100 | Not Rated | Black | 2 1/4" | 2 1/4" | 2 1/2" | 2 1/4" | __ | __ | No | 0000000 | 00000 |
| P | 3 | 1/8 NPT | 1/8 NPT | Threaded | 6 | 0.106 | 0-100 | Not Rated | Green | 2 1/4" | 2 1/4" | 2 1/2" | 2 1/4" | __ | __ | No | 0000000 | 00000 |
| P | 3 | 1/8 NPT | 1/8 NPT | Threaded | 6 | 0.106 | 0-100 | Not Rated | Red | 2 1/4" | 2 1/4" | 2 1/2" | 2 1/4" | __ | __ | No | 0000000 | 00000 |
| R | 3 | 1/4 NPT | 1/4 NPT | Threaded | 32.5 | 0.98 | 0-145 | 26.5 | Black | 1 1/8" | 1 7/8" | 4 7/8" | 7/8" | __ | __ | No | 0000000 | 000000 |
| R | 3 | 1/4 NPT | 1/4 NPT | Threaded | 53 | 1.6 | 0-150 | 29 | Black | 2 1/4" | 1 3/8" | 5 7/8" | 7/8" | __ | __ | Yes | 0000000 | 000000 |
| S | 3 | 10-32 UNF | 10-32 UNF | Threaded | 16.2 | 0.25 | 0-125 | 26 | __ | 5/8" | 5/8" | 1 7/8" | 1/2" | __ | __ | Yes | 0000000 | 00000 |
| T | 3 | 10-32 UNF | 10-32 UNF | __ | 14.4 | 0.24 | 0-125 | Not Rated | Black | 5/8" | 5/8" | 1 7/8" | 1/2" | __ | __ | Yes | 00000000 | 00000 |
| V | 3 | 1/8 NPT | 1/8 NPT | __ | 17.8 | 0.29 | 0-125 | Not Rated | Black | 1 1/4" | 5/8" | 2 1/8" | 1/2" | __ | __ | Yes | 00000000 | 00000 |
| W | 3 | 1/8 NPT | 1/8 NPT | Threaded | 6 | 0.11 | 0-120 | 23 | Black | 1 7/8" | 1 5/8" | 2 1/2" | 1 1/4" | 3/4" | 1 3/4" | Yes | 0000000 | 000000 |
Overall | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Flow Ports | Inlet Size | Outlet Size | Max. Flow Rate, scfm @ 100 psi | Flow Coefficient (Cv) | Pressure Range, psi | Vacuum Rating | Lg. | Wd. | Ht. | For Panel Cutout Dia. | Mounting Fasteners Included | Each | ||
Normally Closed Flow Positions | ||||||||||||||
Spring Return Actuation | ||||||||||||||
| T | 3 | 1/8 NPT | 10-32 UNF | 14.4 | 0.24 | 0-125 | Not Rated | 5/8" | 5/8" | 1 7/8" | 1/2" | Yes | 00000000 | 000000 |
| V | 3 | 1/8 NPT | 1/8 NPT | 17.8 | 0.29 | 0-125 | Not Rated | 1 1/4" | 5/8" | 2 1/8" | 1/2" | Yes | 00000000 | 00000 |
Overall | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Flow Ports | For Inlet Tube OD | For Outlet Tube OD | Flow Coefficient (Cv) | Pressure Range, psi | Vacuum Rating | Lg. | Wd. | Ht. | For Panel Cutout Dia. | Mounting Fasteners Included | Max. Flow Rate, scfm @ 100 psi | Each | ||
Normally Closed Flow Positions | ||||||||||||||
Spring Return Actuation | ||||||||||||||
| V | 3 | 1/4" | 1/4" | 0.29 | 0-125 | Not Rated | 1 1/4" | 5/8" | 2 1/4" | 1/2" | Yes | 17.8 | 00000000 | 000000 |
Overall | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Flow Ports | For Inlet Tube ID | Outlet Size | Max. Flow Rate, scfm @ 100 psi | Flow Coefficient (Cv) | Pressure Range, psi | Vacuum Rating | Lg. | Wd. | Ht. | For Panel Cutout Dia. | Mounting Fasteners Included | Each | ||
Normally Closed Flow Positions | ||||||||||||||
Spring Return Actuation | ||||||||||||||
| Z | 3 | 0.17" | 10-32 UNF | 14.4 | 0.24 | 0-125 | Not Rated | 5/8" | 5/8" | 2" | 1/2" | Yes | 00000000 | 000000 |
Overall | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Flow Ports | For Inlet Tube ID | For Outlet Tube ID | Exhaust Connection Type | Max. Flow Rate, scfm @ 100 psi | Flow Coefficient (Cv) | Pressure Range, psi | Vacuum Rating, in. of Hg | Lg. | Wd. | Ht. | For Panel Cutout Dia. | Mounting Fasteners Included | Each | ||
Normally Open/Normally Closed Flow Positions | |||||||||||||||
Spring Return Actuation | |||||||||||||||
| U | 3 | 1/16" | 1/16" | Barbed | 1.4 | 0.025 | 0-100 | Not Rated | 3/8" | 3/8" | 1 1/4" | 1/4" | Yes | 00000000 | 000000 |
Two-Hand Single-Action Air Directional Control Valves
Since both hands are required to simultaneously press the buttons, these valves protect workers from accidental machinery start-up. Also known as 2-hand control valves, they create one action, such as extending a cylinder. Valves direct airflow from the inlet to your equipment and exhaust return airflow to create motion. They can be installed normally open to allow airflow until actuated, or installed to block airflow until actuated. Return actuation is by spring, so valves return to their starting position as soon as you release the actuator. These valves actuate any 3 or 4-way air piloted spring return power valve or small single-acting cylinders. In the off position, they exhaust air pressure from the system to the atmosphere, allowing equipment to reset so the action can be repeated.
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 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Actuation Force, oz. | No. of Flow Ports | Inlet Size | Outlet Size | Max. Flow Rate, scfm @ 100 psi | Flow Coefficient (Cv) | Pressure Range, psi | Vacuum Rating | Lg. | Wd. | Ht. | Mounting Fasteners Included | Each | |
Threaded Female Inlet × Threaded Female Outlet | |||||||||||||
| 6 | 2 | 1/8 NPT | 1/8 NPT | 6 | 0.11 | 70-100 | Not Rated | 10 1/2" | 3 1/2" | 3 3/16" | No | 00000000 | 000000000 |
| 18 | 2 | 1/8 NPT | 1/8 NPT | 6 | 0.11 | 70-100 | Not Rated | 10 1/2" | 3 1/2" | 3 3/16" | No | 00000000 | 00000000 |
Remote-Location Two-Hand Single-Action Air Directional Control Valves
The push buttons that operate these valves are separate from the logic unit, allowing you to position them away from machinery. Since both hands are required to simultaneously press the buttons, they protect workers from accidental machinery start-up. Also known as 3-way and 3/2 valves, they create one action, such as extending a cylinder. Valves direct airflow from the inlet to your equipment and exhaust return airflow to create motion. They're normally closed to block airflow until actuated. Return actuation is by spring, so valves return to their starting position as soon as you release the actuator. In the off position, they exhaust air from the system, allowing equipment to reset so the action can be repeated.
Note: Valve is sold as a complete unit, consisting of one logic unit and two signal valves. Port size given is for the logic unit. Signal valve port size is 1/8 NPT female.
Flow coefficient (Cv) is a measurement that indicates how much airflow can pass through a valve.
Overall | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Flow Ports | For Inlet Tube OD | For Outlet Tube OD | Exhaust Connection Type | Max. Flow Rate, scfm @ 100 psi | Flow Coefficient (Cv) | Pressure Range, psi | Vacuum Rating | Lg. | Wd. | Ht. | For Panel Cutout Dia. | Mounting Fasteners Included | Each | |
Push-to-Connect Female Inlet × Push-to-Connect Female Outlet | ||||||||||||||
| 3 | 1/4" | 1/4" | Push to Connect | 3.8 | 0.11 | 36-145 | Not Rated | 2 1/2" | 1 3/4" | 2 3/4" | 1 1/8" | No | 0000000 | 0000000 |