Regulators for Air | McMaster-Carr

Filter by

For Use With

Argon/Carbon Dioxide Blend

Citric Acid (25% Concentration)

Citric Acid (100% Concentration)

Dichlorotetrafluoroethane

Hydrochloric Acid (37% Concentration)

Liquid Carbon Dioxide

Methanol (Methyl Alcohol)

Methyl Bromide

Methyl Chloride

Methyl Ethyl Ketone (MEK)

Silicon Tetrafluoride

Soap Solutions

Sodium Hydroxide (Caustic Soda)

Sodium Hypochlorite (Bleach)

Toluene (Methylbenzene)

Trifluoroethane

Tungsten Hexafluoride

System of Measurement

Outlet Pressure

Inlet Pipe Size

Maximum Inlet Pressure

Less than 500 psi

500 psi to 999 psi

2,000 psi to 3,999 psi

Body Material

Pipe Size

Valve Function

Back-Pressure Regulation

Outlet Pipe Size

Inlet Thread Type

Valve Type

Back-Pressure Regulator

Pressure Drop Assisted

Actuation

Shape

Outlet Thread Type

Maximum Outlet Pressure Gauge Measurement

Fitting Connection

Thread Type

UN/UNF (SAE Straight)

UNC

UNF

Outlet Pressure Adjustment Method

Inlet Connection

Connects To

Maximum Temperature

Outlet Connection

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

2B350

2B999

EAR99

DFARS Specialty Metals

Exempt

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5,436 Products

Fluid Handling

Pressure-Regulating Valves

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

85 products

Vacuum-Regulating Valves

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

14 products

Vacuum-Relief Valves

Open at a set vacuum and close when the vacuum level drops to protect equipment

3 products

Pressure-Relief Valves

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

96 products

Airlocks

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

1 product

On-Off Valves

Start and stop flow through a line

2,291 products

Flow-Adjustment Valves

Gradually open and close to control the volume of air and liquids through a line

416 products

Check Valves

Permit flow in only one direction by closing when flow stops or reverses

517 products

Diverting Valves

Redirect flow between ports

190 products

Orifice Valves

Restrict the flow of liquids and gases to precisely control rate and pressure

87 products

Vacuum Breakers

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

24 products

Tap Valves

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

1 product

Drain Valves

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

13 products

Backflow-Prevention Valves

Dual checks stop flow from reversing and contaminating your system

5 products

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

454 products

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

22 products

Mufflers

Reduce noise and filter exhaust fumes

26 products

Facility and Grounds Maintenance

Air Admittance Valves

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

2 products

Power Transmission

Compressed Air Regulators

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

4 products