Pressure Regulators | McMaster-Carr

Filter by

Outlet Pressure

Inlet Pipe Size

For Use With

Argon/Carbon Dioxide Blend

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

Pipe Size

Inlet Thread Type

Body Material

Maximum Pressure Regulation

Outlet Thread Type

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

Not Rated

Valve Function

Backflow Prevention

Back-Pressure Regulation

Maximum Outlet Pressure Gauge Measurement

Material

Component

Filter/Regulator/Lubricator

Inlet Connection

Shape

Thread Type

UN/UNF (SAE Straight)

Outlet Connection

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

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

Yes

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

2B999

EAR99

Valve Type

Air Admittance

Back-Pressure Regulator

Reduced Pressure Zone

2,625 Products

Fluid Handling

Pressure-Regulating Valves

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

305 products

Pressure-Relief Valves

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

245 products

Vacuum-Regulating Valves

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

14 products

Airlocks

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

1 product

Hydraulic Accumulator Bladders

Replace bladders in hydraulic accumulators

5 products

Pressure Switches

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

8 products

Vacuum Breakers

When pressure drops, vents open to prevent suction from drawing liquid back upstream

33 products

Backflow-Prevention Valves

Dual checks stop flow from reversing and contaminating your system

26 products

On-Off Valves

Start and stop flow through a line

3 products

Air-Exhaust Valves

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

20 products

Power Transmission

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

219 products

Compressed Air Regulator Manifolds

Use a single air supply to meet multiple pressure requirements

63 products

Compressed Air Filter/Regulator/Lubricators

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

191 products

Safety Lockout Valves

Prevent accidental start-up when servicing equipment

40 products

Compressed Air Filters

Purge particles, oil, and other contaminants from air lines to prevent damaging equipment

355 products

Compressed Air Filter Elements

Replace filter elements for peak performance in removing solid particles, water droplets, and oil

2 products

Compressed Air Filter/Regulator Manifolds

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

13 products

Compressed Air Filter/Regulator/Lubricator Manifolds

Distribute compressed air to multiple locations from a single source

28 products

Compressed Air Regulator Locks

Lock over your regulator knob to prevent unwanted pressure changes

2 products

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

Safety Equipment

Respirator Filter Monitors

Track the quality of incoming air as it travels from your air line to your respirator

6 products