Pressure Controls | McMaster-Carr

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For Use With

Argon/Carbon Dioxide Blend

Inlet Pipe Size

Inlet Thread Type

Pipe Size

Outlet Pipe Size

Maximum Inlet Pressure

Less than 500 psi

500 psi to 999 psi

1,000 psi to 1,999 psi

2,000 psi to 3,999 psi

Body Material

Component

Filter/Regulator/Lubricator

Maximum Temperature

Outlet Pressure

RoHS

Compliant with Exemptions

REACH

Inlet Connection

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

Gauge Included

Maximum Pressure

1,000 psi to 1,999 psi

2,000 psi to 2,999 psi

3,000 psi to 3,999 psi

4,000 psi or greater

1 MPa

Not Rated

Valve Function

Back-Pressure Regulation

Inlet Gender

Outlet Thread Type

Maximum Continuous Pressure

Maximum Pressure Regulation

Valve Type

Air Admittance

Back-Pressure Regulator

Thread Type

UN/UNF (SAE Straight)

Shape

Actuation

2,899 Products

Fluid Handling

Pressure Switches

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

307 products

Pressure-Regulating Valves

Reduce inlet pressure to a lower outlet pressure to protect sensitive equipment

289 products

Pressure-Relief Valves

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

236 products

Breather Vents

Maintain even pressure and vacuum as temperatures change by allowing airflow in tanks and enclosures

147 products

Airlocks

Vent gases out of flasks, carboys, and other containers without letting dust and oxygen in

1 product

Vacuum-Regulating Valves

Control the amount of air that a vacuum pump draws from your system to maintain vacuum levels

14 products

Pressure and Vacuum Switches

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

6 products

Differential Pressure Switches

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

53 products

Hydraulic Accumulators

Maintain pump flow, stabilize pressure, and absorb shock during pump failure

19 products

Vacuum Switches

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

26 products

Pressure Transmitters

Send pressure readings to controllers and remote displays

370 products

Pressure and Vacuum Transmitters

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

97 products

Vacuum Transmitters

Transfer vacuum measurements to remote displays and controllers

16 products

Differential Pressure Transmitters

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

70 products

On-Off Valves

Start and stop flow through a line

46 products

Air-Exhaust Valves

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

17 products

Flow Transmitters

Send flow rate measurements to PLCs, data loggers, and remote displays

2 products

Power Transmission

Compressed Air Regulators

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

385 products

Compressed Air Regulator Manifolds

Use a single air supply to meet multiple pressure requirements

20 products

Compressed Air Filter/Regulators

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

181 products

Compressed Air Filter/Regulator Manifolds

Purify air from a single supply and distribute it to multiple locations

4 products

Compressed Air Flow Boosters

Amplify flow from a compressed air supply to make sure tools and machines receive enough

18 products

Compressed Air Pressure Boosters

Ensure tools receive sufficient air pressure by compressing the supply

6 products

Compressed Air Filter/Regulator/Lubricators

Deliver clean, lubricated air at the desired pressure to a component in your line

192 products

Electrical

Manual Switches

Everything from toggle, push-button, and rocker switches to foot switches

9 products

Relays

Electrically open and close circuits to control power to lights, motors, and other equipment

1 product

Facility and Grounds Maintenance

Water Hammer Arresters

Absorb shock of sudden shutoffs to prevent knocking noises in water pipes

22 products

Air Admittance Valves

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

2 products

Heating, Ventilation, and Air Conditioning

HVAC Switches

Control and monitor airflow in HVAC systems automatically

3 products