Air Valves | McMaster-Carr

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System of Measurement

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Actuation

Air Directional Control Valve Flow Pattern

5/3 (Pressure Center)

Inlet Pipe Size

For Use With

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UN/UNF (SAE Straight)

UNF

UNJ/UNJF (SAE Straight)

Return Actuation

Voltage

Inlet Thread Type

Body Material

Fitting Connection

Actuation Type

Actuator Style

Mount Type

Unthreaded Through Hole

Valve Function

Number of Flow Ports

Shape

Adjustable-Angle Elbow

Maximum Pressure

1,000 psi to 2,999 psi

3,000 psi to 3,999 psi

Inlet Connection

REACH

Export Control Classification Number (ECCN)

RoHS

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

DFARS Specialty Metals

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7,268 Products

Fluid Handling

Directional Control Valves

Manage the flow of fluids to move equipment in air- and hydraulic-powered systems

386 products

On-Off Valves

Start and stop flow through a line

2,384 products

Diverting Valves

Redirect flow between ports

190 products

Air Valves

Fill tanks, tires, and other pressurized equipment

23 products

Flow-Adjustment Valves

Gradually open and close to control the volume of air and liquids through a line

420 products

Check Valves

Permit flow in only one direction by closing when flow stops or reverses

552 products

Pilot Valves

Control air supply to the actuator in other valves

7 products

Air-Exhaust Valves

Vent or divert exhaust to speed up the operation of air cylinders, actuators, and other equipment

104 products

Valve Repair Kits

Maintain valves with replacement parts such as seals, plungers, and springs

160 products

Air Pulse Valves

Convert continuous flow into bursts that reduce air consumption in dryers and dust collectors

9 products

Drain Valves

Vent air or discharge liquids to remove excess fluid from your system

63 products

Air Vent Valves

Eliminate air pockets from fluid lines to maintain consistent flow and prevent surges

39 products

Flow-Adjustment Valve Manifolds

Control flow to multiple points from one source

2 products

Manifolds

Distribute air or fluid to multiple places from a single source; also called headers

619 products

Air Chucks

Connect air hose to Schrader valves, which are common on tires and hydraulic systems

28 products

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

11 products

Pressure-Relief Valves

Protect equipment by opening at a set pressure and closing when the pressure drops; for repeated use

96 products

Mufflers

Reduce noise and filter exhaust fumes

365 products

Power Transmission

Air Flow Control Valves

Control the speed of air-powered equipment by adjusting the volume of airflow entering or exiting

293 products

Compressed Air Regulators

Ensure continuous, safe operation of air-powered equipment by controlling air pressure

490 products

Compressed Air Filter/Regulators

Simultaneously clean air that's running through a system and control its pressure

262 products

Compressed Air Regulator Manifolds

Use a single air supply to meet multiple pressure requirements

108 products

Compressed Air Regulator Locks

Lock over your regulator knob to prevent unwanted pressure changes

6 products

Compressed Air Dryers

Remove lingering moisture from air lines

3 products

Compressed Air Filter/Regulator/Lubricator Manifolds

Distribute compressed air to multiple locations from a single source

28 products

Air Flow Check Valves

Open to allow air flow in one direction and close when flow stops or reverses

21 products

Air Cylinders

Push and pull loads to do everything from stamping materials to sorting parts on conveyors

12 products

Facility and Grounds Maintenance

Air Admittance Valves

Allow air into drain, waste, and vent systems so you don't have to vent plumbing to the outdoors

2 products