Brass Vacuum Regulators | McMaster-Carr

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Body Material

Valve Type

Back-Pressure Regulator

For Use With

Argon/Carbon Dioxide Blend

Boron Trifluoride

Butane

System of Measurement

Outlet Pressure

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

4,000 psi or greater

Maximum Outlet Pressure Gauge Measurement

Inlet Pipe Size

Inlet CGA Number

Stage

Valve Function

Back-Pressure Regulation

Temperature Regulation

Outlet Pipe Size

Pipe Size

Inlet Thread Type

Outlet Connection Port

Outlet Thread Type

Actuation

DFARS Specialty Metals

Exempt

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

2B999

EAR99

RoHS

Compliant

Compliant with Exemptions

Material

Housing Material

Piston Material

Sensor Material

Valve Material

4,323 Products

Fluid Handling

Pressure-Regulating Valves

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

183 products

Vacuum-Regulating Valves

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

14 products

Pressure-Relief Valves

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

169 products

Vacuum-Relief Valves

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

3 products

Compressed Gas Valves

Check and adjust the pressure of compressed gas in tanks; also known as Schrader valves

2 products

Pressure-Relief Discs

Rupture at a set pressure or temperature to vent fluid and gas and protect machinery; one-time use

27 products

On-Off Valves

Start and stop flow through a line

1,437 products

Flow-Adjustment Valves

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

236 products

Check Valves

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

263 products

Diverting Valves

Redirect flow between ports

118 products

Vacuum Breakers

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

35 products

Orifice Valves

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

21 products

Tap Valves

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

1 product

Air-Exhaust Valves

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

11 products

Flow-Regulating Valves

Maintain the set flow rate of fluid through your system

10 products

Air Valves

Fill tanks, tires, and other pressurized equipment

18 products

Directional Control Valves

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

25 products

Drain Valves

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

20 products

Backflow-Prevention Valves

Dual checks stop flow from reversing and contaminating your system

26 products

Flow Switches

Turn equipment on or off when flow rate reaches a set point

98 products

Float Valve Bodies

Pair with floats and rods to create float valves that meet your needs

43 products

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

371 products

Hose Fitting Nuts

Connect fittings and compressed-gas nipples to pressure regulators and torches

55 products

Hose End Caps

Cover the ends of hose to keep out dirt and debris

2 products

Hose Crimpers

Crimp ferrules onto hose to secure fittings

2 products

Mixing Valves

Blend hot and cold water, steam, or oil to maintain a set outlet temperature and prevent scalding

264 products

Flowmeters

Measure the flow rate of a liquid or gas

196 products

Mufflers

Reduce noise and filter exhaust fumes

14 products

Power Transmission

Compressed Air Regulators

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

6 products

Compressed Air Filter/Regulators

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

2 products

Compressed Air Filter/Regulator/Lubricators

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

3 products

Air Flow Control Valves

Control the speed of air-powered equipment by adjusting the volume of airflow entering or exiting

27 products

Hydraulic Check Valves

Open to allow hydraulic fluid flow in one direction and close when flow stops or reverses

18 products

Air Flow Check Valves

Open to allow air flow in one direction and close when flow stops or reverses

9 products

Lubricating

Oil-Dispensing Pump Metering Valves

Add to manual and electric pumps to dispense the right amount of oil to different lubrication points

3 products

Facility and Grounds Maintenance

Toilet Tank Replacement Parts

Replace parts such as flappers, fill valves, and floats in your toilet tank

3 products