Compressed Air Switches | McMaster-Carr

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For Use With

Air Directional Control Valve Flow Pattern

5/3 (Pressure Center)

Actuation

Actuator Style

Mount Type

Unthreaded Through Hole

System of Measurement

Inlet Pipe Size

Pipe Size

Return Actuation

Outlet Pipe Size

Actuation Type

Number of Flow Ports

Inlet Thread Type

Air Directional Control Valve Type

Inlet Connection

Outlet Thread Type

Valve Function

Thread Type

UN/UNF (SAE Straight)

UNF

Number of Flow Positions

Maximum Pressure

Less than 1,000 psi

1,000 psi to 1,999 psi

2,000 psi to 2,999 psi

3,000 psi to 9,999 psi

10,000 psi or greater

Valve Position

Fail Closed

Fail Open

RoHS

Compliant

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

2B350

2B999

EAR99

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

Yes

DFARS Specialty Metals

Exempt

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1,158 Products

About Directional Control Valves

Choose the right valve for your application by matching the actions you'll power to our flow diagrams.

Directional Control Valves

Single-Action Air Directional Control Valves

Create one action, such as extending a cylinder; also known as 3-way and 3/2 valves

46 products

Single-Action Mechanically Operated Air Directional Control Valves

Activated by physical contact; also known as 3-way and 3/2 valves

16 products

Two-Speed Two-Action Air Directional Control Valves

Extend and retract a cylinder at different speeds; also known as 4-way and 5/2 valves

34 products

Multiple-Position Single-Action Air Directional Control Valves

Control six different outputs from one airflow source; also known as 3-way valves

1 product

Two-Speed Two-Action Foot-Operated Air Directional Control Valves

Operate hands free by using your foot; also known as 4-way and 5/2 valves

3 products

Two-Action Air Directional Control Valves

Operate with one hand; also known as 4-way and 4/2 valves

6 products

Two-Speed Two-Action Air Directional Control Valves with Exhausting Shut-Off

Exhaust all air pressure in the off position; also known as 4-way and 5/3 exhaust center valves

9 products

Two-Action Foot-Operated Air Directional Control Valves

Operate hands free by using your foot; also known as 4-way and 4/2 valves

11 products

Single-Action Foot-Operated Air Directional Control Valves

Operate hands free by using your foot; also known as 3-way and 3/2 valves

6 products

Two-Speed Two-Action Mechanically Operated Air Directional Control Valves

Activated by physical contact; also known as 4-way and 5/2 valves

10 products

Two-Speed Two-Action Air Directional Control Valves with Full Shut-Off

Turn off all ports to lock equipment; also known as 4-way and 5/3 closed center valves

8 products

Two-Action Electrically Operated Air Directional Control Valves

Extend and retract a double-acting cylinder using voltage; also known as 4-way and 5/2 valves

1 product

Single-Action Electrically Operated Air Directional Control Valves

Create one action using voltage; also known as 3-way and 3/2 valves

65 products

Two-Action Air Directional Control Valves with Full Shut-Off

Lock equipment in place with air pressure; also known as 4-way and 4/3 closed center valves

5 products

Key-Operated Single-Action Air Directional Control Valves

Require a key so you can control access; also known as 3-way and 3/2 valves

1 product

Modular Air Directional Control Valves with Air Manifolds

Use one pressure source for multiple valves and mount to a single-station base or to a manifold

32 products

Two-Action Air Directional Control Valves with Exhausting Shut-Off

Exhaust air pressure in off position; also known as 4-way and 4/3 exhaust center valves

3 products

Two-Speed Two-Action Air-Operated Air Directional Control Valves

Use an air signal to actuate; also known as pilot valves and 4-way valves

10 products

Simultaneous Two-Action Air Directional Control Valves

Extend two single-acting cylinders at once; also known as 4-way and 5/3 pressure center valves

3 products

Remote-Access Two-Hand Single-Action Air Directional Control Valves

Buttons are separate from logic unit, allowing you to position them away from machinery

3 products

Single-Action Air-Operated Air Directional Control Valves

Create one action using an air signal to actuate, also known as 3/2 and pilot valves

6 products

Two-Speed Two-Action Electrically Operated Air Directional Control Valves

Extend and retract at different speeds using voltage; also known as 4-way and 5/2 valves

63 products

Modular Air Directional Control Valves with Air and Electrical Manifolds

Mix and match valve styles on one manifold to meet your control needs

15 products

Two-Hand Single-Action Air Directional Control Valves

Require both hands to operate one action; also known as 2-hand control valves

2 products

Key-Operated Two-Speed Two-Action Air Directional Control Valves

Restrict access with a key; also known as 4-way and 5/2 valves

1 product

Two-Speed Two-Action Electrically Operated Air Directional Control Valves with Full Shut-Off

Lock equipment in place and actuate with voltage; also known as 4-way and 5/3 closed center valves

30 products

Two-Hand Two-Action Air Directional Control Valves

Prevent accidental start-up by requiring both hands; also known as 4-way and 4/2 valves

2 products

Dual-Input Air Directional Control Valves

Require pressure from both inlets to open output; also known as “and” valves

1 product

Quick Switch Single-Action Electrically Operated Air Directional Control Valves

Finish single actions up to 30% faster than standard valves; also known as 3-way and 3/2 valves

10 products

Two-Speed Two-Action Air-Operated Air Directional Control Valves with Full Shut-Off

Lock equipment in place and actuate by air signal, also known as 4-way and 5/3 closed center valves

2 products

Single-Action Electrically Operated Air Directional Control Valves with Full Shut-Off

Close all ports in off position and actuate with voltage; also known as 3-way and 3/3 valves

6 products

Input-Selecting Air Directional Control Valves

Select higher of two inlet pressures to power one outlet; also known as shuttle and “or” valves

2 products

Safety-Lockout Single-Action Air Directional Control Valves

Lockable in the off position with a padlock; also known as 3-way and 3/2 valves

6 products

Two-Speed Two-Action Electrically Operated Air Directional Control Valves with Exhausting Shut-Off

Exhaust air in off position and actuate with voltage; also known as 5/3 exhaust center valves

16 products

Hazardous Location Electrically Operated Air Directional Control Valves

Rated for hazardous environments; also known as 4-way valves

7 products

Quick Switch Two-Speed Two-Action Electrically Operated Air Directional Control Valves

Shift in 1.7 ms for faster cycles; also known as 4-way and 5/2 valves

4 products

Electrically Operated Air Directional Control Valves with Flow Control

Create motion and control speed with one valve; also known as 4-way valves

12 products

Robot-Arm-Mounted Electrically Operated Air Directional Control Valves

With two 3-way solenoid valves for end-of-arm tools; also known as 3/2 valves

1 product

Wear-Resistant Electrically Operated Air Directional Control Valves

Ceramic seals resist oil and dust in harsh environments; also known as 4-way valves

11 products

High-Pressure Washdown Electrically Operated Air Directional Control Valves

IP69K rated to withstand high-pressure washdowns and actuate with voltage

8 products

Simultaneous Two-Action Electrically Operated Air Directional Control Valves

Extend two single-acting cylinders at once with voltage; also known as pressure center valves

6 products

Other Products

Pressure Switches

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

275 products

Differential Pressure Switches

Activate controls and alarms when the pressure difference between process lines exceeds a setpoint

31 products

Manual On/Off Valves

Start and stop flow through a line

55 products

Vacuum Switches

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

26 products

Pressure and Vacuum Switches

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

6 products

Air-Actuated On/Off Valves

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

185 products

Solenoid On/Off Valves

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

4 products

Pressure and Vacuum Transmitters

Convert pressure and vacuum measurements into a signal sent to remote displays and controllers

23 products

Air-Exhaust Valves

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

52 products

Differential Pressure Transmitters

Relay pressure changes in heating, cooling, and pumping systems to controllers and remote displays

3 products

Drain Valves

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

13 products

Diverting Valves

Redirect flow between ports

22 products

Air Pulse Valves

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

9 products