Aluminum Relief Valves | McMaster-Carr

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Product Family

Air-Exhaust Valves

Pipe and Fittings

Pressure-Regulating Valves

Pressure-Relief Valves

Safety Lockout Valves

Vacuum-Regulating Valves

Body Material

Material

For Use With

Hydraulic Fluid

System of Measurement

Set Pressure

40 psi to 125 psi

100 psi to 400 psi

115 psi to 250 psi

235 psi to 450 psi

300 psi to 2,000 psi

630 psi to 850 psi

630 psi to 1,000 psi

800 psi to 1,500 psi

1,400 psi to 2,100 psi

1,500 psi to 3,000 psi

Outlet Pressure

0 psi to 10 psi

0 psi to 30 psi

0 psi to 60 psi

0 psi to 80 psi

0 psi to 140 psi

0 psi to 150 psi

0 psi to 220 psi

0 psi to 700 psi

0 psi to 1,200 psi

0 psi to 1,800 psi

Maximum Pressure

Less than 1,000 psi

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

Inlet Pipe Size

Maximum Inlet Pressure

Less than 500 psi

4,000 psi or greater

Inlet Thread Type

Pipe Size

Valve Type

Back-Pressure Regulator

Pressure Regulator

Vacuum Regulator

Valve Function

Back-Pressure Regulation

Flow Adjustment

Pressure Control

Pressure Regulation

Pressure Relief

Vacuum Regulation

Thread Type

UN/UNF (SAE Straight)

Outlet Pipe Size

Actuation

Shape

Seal Material

Inlet Connection

Fitting Connection

Quick Disconnect

RoHS

Compliant with Exemptions

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

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Housing Material

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165 Products

Fluid Handling

Pressure-Relief Valves

Pressure-Relief Valves

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

Pressure-Regulating Valves

Pressure-Regulating Valves

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

Vacuum-Regulating Valves

Vacuum-Regulating Valves

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

Air-Exhaust Valves

Air-Exhaust Valves

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

Pipe Plugs

Insert into the ends of pipe to keep out dirt and debris

Power Transmission

Safety Lockout Valves

Safety Lockout Valves

Prevent accidental start-up when servicing equipment

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)