Air Pressure Switches | McMaster-Carr

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For Use With

Hydraulic Fluid (Petroleum Based)

System of Measurement

Pipe Size

Pressure Set Point

0 in. H₂O to 0.5 in. H₂O

0 in. H₂O to 1 in. H₂O

0 in. H₂O to 2 in. H₂O

0 in. H₂O to 5 in. H₂O

0 in. H₂O to 10 in. H₂O

0 in. H₂O to 15 in. H₂O

0.05 in. H₂O to 5 in. H₂O

0.07 in. H₂O to 0.15 in. H₂O

0.08 in. H₂O to 1.2 in. H₂O

0.12 in. H₂O to 1.6 in. H₂O

0.15 in. H₂O to 0.5 in. H₂O

Thread Type

UN/UNF (SAE Straight)

UNF

Air Directional Control Valve Flow Pattern

5/3 (Pressure Center)

Maximum Continuous Pressure

Actuation

Inlet Pipe Size

Fitting Connection

Wire Connection

Outlet Pipe Size

Operates On

Differential Pressure

Pressure

Maximum Switching Current @ Voltage

Voltage

Maximum Pressure

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

Set Point Adjustability

Return Actuation

Switch Starting Position

Actuator Style

Gender

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

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

Yes

Export Control Classification Number (ECCN)

2B999

EAR99

DFARS Specialty Metals

Exempt

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How can we improve?

932 Products

Pressure Switches

Fixed Setpoint Pressure Switches

Prevent changes to set pressure—each arrives ready to use at your preferred setpoint

60 products

Compact Pressure Switches

One-third thinner than traditional pressure switches to fit into tight, cramped spaces

55 products

Pressure Switches for Air Compressors

Maintain the air pressure needed for air-powered devices

18 products

Pressure Switches

The traditional choice to power equipment and activate controls when they reach a set pressure

46 products

Electronic Pressure Switches for Compressed Air

Send signals to PLCs to activate controls in most air systems

8 products

Economy Pressure Switches

Best for applications that need reliable switching but don’t require high accuracy

8 products

Dual-Setpoint Electronic Pressure Switches with Digital Display

Send signals to PLCs to activate controls at either pressure you set on the display

8 products

Electronic Pressure Switches

Send signals to PLCs to activate controls

14 products

Multiport Pressure Switches for Air Compressors

Maintain compressor pressure and connect up to three air-powered tools using the multiple ports

5 products

Adjustable-Reset Pressure Switches

Control the pressure range between switch activation and deactivation by choosing when they reset

13 products

Hazardous Location Pressure Switches

Built with an explosion-proof enclosure for use in areas with explosive liquids, dust, and gas

11 products

Dual-Setpoint Electronic Pressure Switches for Compressed Air

Send signals to PLCs to activate controls in most air systems at either set pressure

4 products

Manual-Reset Pressure Switches

Require a manual reset each time they hit the set pressure to inspect equipment before it restarts

9 products

Dual-Setpoint Electronic Pressure Switches

Send signals to PLCs to activate controls at either set pressure

5 products

Dual-Setpoint Pressure Switches

Trigger two different processes, each with their own set pressure

8 products

Pressure Switches for SMC Modular Filter/Regulator/Lubricators (FRLs)

Connect inline to monitor air pressure and send signals to equipment

8 products

Adjustable-Reset Pressure Switches with Digital Display

Start equipment or trigger controls based on pressure changes while monitoring the display

5 products

Other Products

Directional Control Valves

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

439 products

Air-Actuated Relays

Convert an air signal on a pneumatic control system to an electric one

1 product

Differential Pressure Switches

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

31 products

HVAC Switches

Control and monitor airflow in HVAC systems automatically

3 products

Air-Exhaust Valves

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

52 products

Manual On/Off Valves

Start and stop flow through a line

55 products

Air-Actuated Switches

Press with your hand or foot to turn circuits on and off with air pressure

13 products

Differential Pressure Transmitters

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

3 products

Air-Actuated On/Off Valves

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

8 products

Solenoid On/Off Valves

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

4 products

Air Cylinders

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

27 products