Safety Valves | McMaster-Carr

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Inlet Pipe Size

For Use With

Aluminum Chloride

Hydraulic Fluid

Maximum Inlet Pressure

Less than 250 psi

250 psi to 499 psi

500 psi to 999 psi

1,000 psi to 1,999 psi

2,000 psi or greater

Set Pressure

Less than 500 psi

500 psi to 999 psi

1,000 psi to 1,999 psi

2,000 psi to 2,999 psi

3,000 psi or greater

Relief Port Pipe Size

Outlet Pressure

0 psi to 10 psi

0 psi to 25 psi

0 psi to 30 psi

0 psi to 60 psi

0 psi to 150 psi

0.5 psi to 3.5 psi

0.5 psi to 10 psi

0.5 psi to 30 psi

0.5 psi to 60 psi

0.5 psi to 90 psi

5 psi to 30 psi

5 psi to 50 psi

5 psi to 90 psi

5 psi to 105 psi

Inlet Thread Type

Airflow Capacity

Body Material

Stainless Steel

Valve Function

Back-Pressure Regulation

Directional Control

Pressure Relief

Temperature Regulation

Seal Material

Stainless Steel

Set Pressure Configuration

Shape

Inlet Gender

Inlet Connection

Push to Connect

Valve Type

Back-Pressure Regulator

Temperature Regulator

Thermostatic Mixing

Actuation

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 399° F

400° F to 449° F

450° F or greater

Pipe Size

Test Mechanism

Relief Port

REACH

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Relief Port Location

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696 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

Pressure-Relief Discs

Pressure-Relief Discs

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

On-Off Valves

Start and stop flow through a line

Directional Control Valves

Directional Control Valves

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

Diverting Valves

Diverting Valves

Redirect flow between ports

Mixing Valves

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

Facility and Grounds Maintenance

Air Admittance Valves

Air Admittance Valves

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

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