1 1/2 Pipe Size Pressure-Relief Valves | McMaster-Carr

Filter by

System of Measurement

Inlet Pipe Size

For Use With

Aluminum Chloride

Hydraulic Fluid

Relief Port Pipe Size

Pipe Size

Outlet Pressure

0 psi to 10 psi

2 psi to 15 psi

3 psi to 20 psi

5 psi to 20 psi

5 psi to 50 psi

10 psi to 30 psi

10 psi to 55 psi

10 psi to 80 psi

10 psi to 100 psi

20 psi to 45 psi

20 psi to 50 psi

20 psi to 70 psi

20 psi to 150 psi

25 psi to 75 psi

25 psi to 90 psi

30 psi to 50 psi

30 psi to 95 psi

30 psi to 100 psi

Set Pressure

Less than 500 psi

Maximum Inlet Pressure

Less than 500 psi

1,000 psi to 1,999 psi

Seal Material

Stainless Steel

Airflow Capacity

Body Material

Inlet Gender

Inlet Thread Type

Steam Flow Capacity

Valve Function

Back-Pressure Regulation

Pressure Regulation

Pressure Relief

Vacuum Regulation

Set Pressure Configuration

Burst Pressure

Gender

Inlet Connection

Outlet Pipe Size

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 399° F

400° F to 499° F

500° F or greater

Material

Resin-Filled Graphite

Stainless Steel

REACH

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

DFARS Specialty Metals

How can we improve?

40 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

Vacuum-Regulating Valves

Vacuum-Regulating Valves

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

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