Air Compressor Valves | McMaster-Carr

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Air Directional Control Valve Flow Pattern

5/3 (Pressure Center)

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

Yes

Export Control Classification Number (ECCN)

2B350

2B999

EAR99

DFARS Specialty Metals

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3,567 Products

Drain Valves

Timer-Actuated Compressed Air Drain Valves

Automatically open valves at set intervals with the electronic timer

17 products

Easy-Clean Float-Actuated Compressed Air Drain Valves

A float automatically opens the external drain when the bowl starts to fill

1 product

Timer-Actuated Compressed Air Drain Valves with Digital Display

Set and view precise intervals on the display to automatically open valves

7 products

Energy-Saving Compressed Air Drain Valves

Open when full and close just before empty to avoid loss of compressed air

5 products

High-Pressure Float-Actuated Compressed Air Drain Valves

Withstand the highest pressure of all our float-operated drain valves

1 product

Back-Pressure-Actuated Compressed Air Drain Valves

Automatically open valves with back pressure from turning off compressors

4 products

High-Discharge Float-Actuated Compressed Air Drain Valves

Best for large compressed air systems, these handle high rates of discharge

2 products

High-Pressure Timer-Actuated Compressed Air Drain Valves

Withstand at least twice the pressure of our other timer-actuated valves

12 products

Compact Float-Actuated Compressed Air Drain Valves

Shorter than our other float-operated valves for tight spots

2 products

Drain Valves

Discharge liquids from most tanks

13 products

Clear-View Float-Actuated Compressed Air Drain Valves

A clear bowl makes it easy to see condensate that’s forming in your line

5 products

Other Products

Air Flow Check Valves

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

21 products

Safety Lockout Valves

Prevent accidental start-up when servicing equipment

57 products

Air-Exhaust Valves

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

52 products

Pressure-Relief Valves

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

96 products

Manual On-Off Valves

Start and stop flow through a line

1,906 products

Directional Control Valves

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

386 products

Solenoid On-Off Valves

A solenoid withstands rapid cycling for applications with frequent opening and closing

297 products

Diverting Valves

Redirect flow between ports

190 products

Air-Actuated On-Off Valves

Operate on compressed air to start and stop flow faster than motor-driven valves

147 products

Motor-Actuated On-Off Valves

An electric motor handles higher flow rates and pressures than solenoid valves

33 products

Compressed Air Filter/Regulator/Lubricator Manifolds

Distribute compressed air to multiple locations from a single source

28 products

Pressure Switches

Activate controls, set off alarms, and power equipment when a set pressure is reached

8 products

Tap Valves

Pierce copper tubing for a secondary line to humidifiers and ice makers; also known as saddle valves

1 product