Valve Function Valve Function |
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For Air Cylinder Type For Air Cylinder Type |
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Maximum Flow Rate Maximum Flow Rate |
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Overall Length Overall Length |
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Flow Coefficient (Cv) Flow Coefficient (Cv) |
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Exhaust Connection Type Exhaust Connection Type |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Matching Flow Diagrams to Replace an Air Directional Control Valve
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Choosing an Air Directional Control Valve
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Safety-Lockout Air On/Off Valves



Padlocks that comply with OSHA 29 CFR 1910.147 meet standards for the control of energy sources that could injure workers.
Overall | ||||||||||||||
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Inlet Pipe Size | Outlet Pipe Size | Exhaust Pipe Size | Flow Coefficient (Cv) | Min. Flow Rate | Max. Flow Rate | Max. Pressure, psi | Temp. Range, °F | Lg. | Wd. | Ht. | For Max. Padlock Shackle Dia. | Specifications Met | Each | |
Brass Body | ||||||||||||||
1 1/4 | 1 1/4 | 1/4 | 86 | Not Rated | Not Rated | 200 | 32° to 210° | 8" | 2 5/16" | 4 3/4" | 9/32" | OSHA Compliant 29 CFR 1910.147 | 0000000 | 000000 |
1 1/2 | 1 1/2 | 1/4 | 140 | Not Rated | Not Rated | 200 | 32° to 210° | 8 3/16" | 2 13/16" | 5 1/4" | 9/32" | OSHA Compliant 29 CFR 1910.147 | 0000000 | 00000 |
2 | 2 | 1/4 | 190 | Not Rated | Not Rated | 200 | 32° to 210° | 8 9/16" | 3 3/8" | 5 3/4" | 9/32" | OSHA Compliant 29 CFR 1910.147 | 0000000 | 000000 |
Bronze Body | ||||||||||||||
1/4 | 1/4 | 1/4 | Not Rated | Not Rated | Not Rated | 200 | 50° to 200° | 4 7/8" | 1 1/16" | 3" | 1/4" | __ | 0000000 | 00000 |
3/8 | 3/8 | 1/4 | Not Rated | Not Rated | Not Rated | 200 | 50° to 200° | 4 7/8" | 1 1/16" | 3" | 1/4" | __ | 0000000 | 00000 |
1/2 | 1/2 | 1/4 | 15 | Not Rated | Not Rated | 200 | 50° to 200° | 4 15/16" | 1 3/16" | 3 1/16" | 1/4" | __ | 0000000 | 00000 |
3/4 | 3/4 | 1/4 | 51 | Not Rated | Not Rated | 200 | 50° to 200° | 6 7/16" | 1 13/16" | 3 11/16" | 1/4" | __ | 0000000 | 00000 |
1 | 1 | 1/4 | 68 | Not Rated | Not Rated | 200 | 50° to 200° | 7 5/16" | 2 1/4" | 4 3/8" | 1/4" | __ | 0000000 | 000000 |
Aluminum Body | ||||||||||||||
1/4 | 1/4 | 3/8 | 1.8 | Not Rated | Not Rated | 145 | 40° to 175° | 1" | 1" | 6 1/2" | 9/32" | OSHA Compliant 29 CFR 1910.147 | 00000000 | 000000 |
3/8 | 3/8 | 3/8 | 2.6 | Not Rated | Not Rated | 145 | 40° to 175° | 1" | 1" | 6 1/2" | 9/32" | OSHA Compliant 29 CFR 1910.147 | 00000000 | 000000 |
1/2 | 1/2 | 3/4 | 4 | 0 scfm @ 100 psi | 91 scfm @ 100 psi | 300 | 40° to 175° | 4 1/4" | 2" | 9" | 1/4" | OSHA Compliant 29 CFR 1910.147 | 0000000 | 000000 |
1/2 | 1/2 | 3/4 | 7.1 | Not Rated | Not Rated | 300 | 40° to 175° | 4 7/16" | 2" | 8 7/8" | 9/32" | OSHA Compliant 29 CFR 1910.147 | 00000000 | 000000 |
3/4 | 3/4 | 3/4 | 4 | 0 scfm @ 100 psi | 93 scfm @ 100 psi | 300 | 40° to 175° | 4 1/4" | 2" | 9" | 1/4" | OSHA Compliant 29 CFR 1910.147 | 0000000 | 000000 |
3/4 | 3/4 | 3/4 | 8.2 | Not Rated | Not Rated | 300 | 40° to 175° | 4 7/16" | 2" | 8 7/8" | 9/32" | OSHA Compliant 29 CFR 1910.147 | 00000000 | 000000 |
1 | 1 | 1 1/4 | 9.4 | 0 scfm @ 100 psi | 216 scfm @ 100 psi | 300 | 40° to 175° | 4 1/4" | 2 1/4" | 9" | 1/4" | OSHA Compliant 29 CFR 1910.147 | 0000000 | 000000 |
1 | 1 | 1 1/4 | 16.5 | Not Rated | Not Rated | 300 | 40° to 175° | 5 1/2" | 2.3" | 10 13/16" | 9/32" | OSHA Compliant 29 CFR 1910.147 | 00000000 | 000000 |
1 1/4 | 1 1/4 | 1 1/4 | 19.2 | Not Rated | Not Rated | 300 | 40° to 175° | 5 1/2" | 2.3" | 10 13/16" | 9/32" | OSHA Compliant 29 CFR 1910.147 | 00000000 | 000000 |
Overall | ||||||||||||
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Inlet Pipe Size | Outlet Pipe Size | Exhaust Thread Size | Flow Coefficient (Cv) | Max. Pressure, psi | Temp. Range, °F | Lg. | Wd. | Ht. | For Max. Padlock Shackle Dia. | Specifications Met | Each | |
Brass Body | ||||||||||||
1/4 | 1/4 | 10-32 | 6.29 | 200 | -40° to 350° | 4 5/8" | 1 1/8" | 2 5/8" | 9/32" | OSHA Compliant 29 CFR 1910.147 | 0000000 | 000000 |
3/8 | 3/8 | 10-32 | 6.99 | 200 | -40° to 350° | 4 5/8" | 1 1/8" | 2 5/8" | 9/32" | OSHA Compliant 29 CFR 1910.147 | 0000000 | 00000 |
1/2 | 1/2 | 10-32 | 19 | 200 | -40° to 350° | 4 15/16" | 1 5/16" | 2 13/16" | 9/32" | OSHA Compliant 29 CFR 1910.147 | 0000000 | 00000 |
3/4 | 3/4 | 10-32 | 34.4 | 200 | -40° to 350° | 5 13/16" | 1 9/16" | 3 5/16" | 9/32" | OSHA Compliant 29 CFR 1910.147 | 0000000 | 00000 |
1 | 1 | 10-32 | 50.1 | 200 | -40° to 350° | 6 3/16" | 1 15/16" | 3 11/16" | 9/32" | OSHA Compliant 29 CFR 1910.147 | 0000000 | 00000 |
Quiet Safety-Lockout Air On/Off Valves


The muffler on these valves reduces exhaust noise. A padlock (not included) locks the handle in the shut-off position to disconnect air tools safely. They comply with OSHA 29 CFR 1910.147 to maintain safety and control in a compressed air system.
Flow coefficient (Cv) is a measurement that indicates how much airflow can pass through a valve.
Overall | ||||||||||||
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Inlet Pipe Size | Outlet Pipe Size | Exhaust Pipe Size | Flow Coefficient (Cv) | Max. Pressure, psi | Temp. Range, °F | Lg. | Wd. | Ht. | For Max. Padlock Shackle Dia. | Specifications Met | Each | |
NPT Female Inlet, Outlet, and Exhaust | ||||||||||||
Aluminum Body | ||||||||||||
1/4 | 1/4 | 3/8 | 3.2 | 150 | 40° to 175° | 1" | 1" | 6 1/2" | 9/32" | OSHA Compliant 29 CFR 1910.147 | 00000000 | 0000000 |
3/8 | 3/8 | 3/8 | 3.2 | 150 | 40° to 175° | 1" | 1" | 6 1/2" | 9/32" | OSHA Compliant 29 CFR 1910.147 | 00000000 | 000000 |
1/2 | 1/2 | 3/4 | 5.9 | 150 | 40° to 175° | 4 7/16" | 2" | 11 1/2" | 9/32" | OSHA Compliant 29 CFR 1910.147 | 00000000 | 000000 |
3/4 | 3/4 | 3/4 | 5.9 | 150 | 40° to 175° | 4 7/16" | 2" | 11 1/2" | 9/32" | OSHA Compliant 29 CFR 1910.147 | 00000000 | 000000 |
1 | 1 | 1 1/4 | 17.4 | 150 | 40° to 175° | 5 1/2" | 2.3" | 14 3/4" | 9/32" | OSHA Compliant 29 CFR 1910.147 | 00000000 | 000000 |
1 1/4 | 1 1/4 | 1 1/4 | 17.4 | 150 | 40° to 175° | 5 1/2" | 2.3" | 14 3/4" | 9/32" | OSHA Compliant 29 CFR 1910.147 | 00000000 | 000000 |
Safety-Lockout Single-Action Air Directional Control Valves

To prevent accidental start-up, these valves can be locked in their off position with a padlock. 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 hand, so they stay actuated and return to their starting position only when you move the actuator again. In the off position, they exhaust air pressure from the system, allowing equipment to reset so the action can be repeated. They help meet OSHA 29 CFR 1910.147 procedures for the control of energy sources that could injure workers.
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 | ||||||||||||||||
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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 | Specifications Met | Lg. | Wd. | Ht. | Mounting Fasteners Included | Padlock Included | For Max. Padlock Shackle Dia. | Each | |
Threaded Female Inlet × Threaded Female Outlet | ||||||||||||||||
3 | 1/8 NPT | 1/8 NPT | Threaded | 5 | 0.65 | 15-145 | Not Rated | OSHA Compliant 29 CFR 1910.147 | 1 5/8" | 1 3/4" | 2 5/8" | No | No | 25/64" | 00000000 | 000000 |
3 | 1/4 NPT | 1/4 NPT | Threaded | 113 | 2 | 15-145 | Not Rated | OSHA Compliant 29 CFR 1910.147 | 2 3/4" | 2 1/2" | 4 1/4" | No | No | 25/64" | 00000000 | 00000 |
3 | 3/8 NPT | 3/8 NPT | Threaded | 116 | 3 | 15-145 | Not Rated | OSHA Compliant 29 CFR 1910.147 | 2 3/4" | 2 1/2" | 4 1/4" | No | No | 25/64" | 00000000 | 00000 |
3 | 1/2 NPT | 1/2 NPT | Threaded | 215 | 3.8 | 15-145 | Not Rated | OSHA Compliant 29 CFR 1910.147 | 2 3/4" | 2 1/2" | 4 1/4" | No | No | 25/64" | 00000000 | 00000 |
3 | 3/4 NPT | 3/4 NPT | Threaded | 361 | 6.4 | 15-145 | Not Rated | OSHA Compliant 29 CFR 1910.147 | 3 5/8" | 3 1/4" | 5 3/8" | No | No | 25/64" | 00000000 | 000000 |
3 | 1 NPT | 1 NPT | Threaded | 481 | 8.6 | 15-145 | Not Rated | OSHA Compliant 29 CFR 1910.147 | 3 5/8" | 3 1/4" | 5 3/8" | No | No | 25/64" | 00000000 | 000000 |
Key-Operated Single-Action Air Directional Control Valves

Because they require a key to operate, you can limit who is able to adjust these valves. 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 hand, so they stay actuated and return to their starting position only when you move the actuator again. In the off position, they exhaust air pressure from the system, 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 | |||||||||||||||
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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 | No. of Keys Included | Each | |
Threaded Female Inlet × Threaded Female Outlet | |||||||||||||||
3 | 1/4 NPT | 1/4 NPT | None (To Atmosphere) | 33.53 | 1.05 | 0-145 | 29.5 | 1 5/8" | 1 5/8" | 4 1/8" | 1 1/8" | No | 2 | 000000 | 000000 |
Key-Operated Two-Speed Two-Action Air Directional Control Valves

Because they require a key to operate, you can limit who is able to adjust these valves. Often used to extend and then retract a cylinder at different speeds, they create two actions and have two exhaust ports, which allows you to control the speed of each action by attaching a flow control valve to each exhaust port. They direct airflow from the inlet to your equipment and exhaust return airflow to create motion. Return actuation is by hand, so they stay actuated and return to their original position only when you move the actuator again. Also known as 4-way and 5/2 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 | |||||||||||||||
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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 | No. of Keys Included | Each | |
Threaded Female Inlet × Threaded Female Outlet | |||||||||||||||
5 | 1/8 NPT | 1/8 NPT | Threaded | 11.3 | 0.34 | 14-145 | 26.5 | 7/8" | 1 5/8" | 5 5/8" | 1 1/4" | No | 2 | 0000000 | 0000000 |