Aluminum Relief Valves | McMaster-Carr

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Body Material

Housing Material

For Use With

Outlet Pressure

Inlet Pipe Size

Set Pressure

1,000 psi to 1,999 psi

Valve Function

Back-Pressure Regulation

Maximum Inlet Pressure

Less than 500 psi

4,000 psi or greater

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

Inlet Thread Type

Outlet Pipe Size

Actuation

Seal Material

Valve Type

Back-Pressure Regulator

Pipe Size

Shape

Outlet Thread Type

Inlet Connection

Thread Type

UN/UNF (SAE Straight)

Minimum Temperature

Outlet Connection

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

Material

113 Products

Control of Liquids, Gases, and Solids

Miniature Ultra-High-Pressure-Regulating
Valves for Water, Air, and Inert Gas

For extremely high-pressure applications in tight spots, these valves handle the same inlet pressures as other ultra-high-pressure-regulating valves within a smaller footprint.

Back-Pressure-Regulating
Valves for Air and Inert Gas

Use these valves in pipelines.

Panel-Mount Vacuum-Regulating Valves for Air

Regulate vacuum levels from your instrument panel with these valves that have threads below the adjustment handle and a panel-mount nut.

Aluminum Quick-Connect Pipe
Fittings for Compressed Air

Twist these fittings onto aluminum pipe for quick, sealed connections—no threading, soldering, or welding necessary. Use them to build a compressed air system in half the time it would take to build a copper or steel system.

Hydraulic Valves

Tamper-Resistant Pressure-Relief Hydraulic Valves

The pressure setting on these valves cannot be adjusted while they are installed.

Pressure-Relief Screw-In Hydraulic Valves

Set a specific pressure and these valves will maintain it.

Air-Powered Motion and Control

Elbow Air-Exhaust Control Valves

Quickly vent exhaust air to the atmosphere or divert it to another place in your system to speed up the movement of equipment. The 90° elbow shape allows you to install them in tight spaces. Also known as quick exhaust valves.

Air-Exhaust Control Valves

Quickly dump exhaust air to the atmosphere without routing it back through a directional control valve to speed up the movement of equipment. Also known as quick exhaust valves.

Air-Exhaust Flow Control Valves

Install these valves in the exhaust ports of air directional control valves to control exhaust air speed without needing access to your cylinder.