Safety Relief Valves | McMaster-Carr

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Inlet Pipe Size

For Use With

Liquid Nitrogen

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

Maximum Inlet Pressure

Less than 250 psi

250 psi to 299 psi

300 psi to 499 psi

500 psi to 999 psi

1,000 psi or greater

Airflow Capacity

Pipe Size

Body Material

Stainless Steel

Relief Port Pipe Size

Set Pressure Configuration

Seal Material

Stainless Steel

Shape

Burst Pressure

Valve Function

Pressure Relief

Inlet Gender

Maximum Temperature

Less than 250° F

250° F to 399° F

400° F to 409° F

410° F or greater

Test Mechanism

Actuation

Valve Type

Maximum Pressure

Less than 250 psi

250 psi to 499 psi

500 psi to 999 psi

1,000 psi to 2,999 psi

3,000 psi or greater

REACH

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Relief Port

Relief Port Location

Certification

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259 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-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

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.)