Pressure-Relief Plugs | McMaster-Carr

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Inlet Pipe Size

For Use With

Set Pressure

Less than 1 psi

1 psi to 4.9 psi

5 psi to 9.9 psi

10 psi to 49.9 psi

50 psi or greater

Inlet Thread Type

Body Material

Stainless Steel

Maximum Inlet Pressure

Pipe Size

Valve Type

Actuation

Thread Type

Seal Material

Material

RoHS

Compliant with Exemptions

Thread Size

Set Pressure Accuracy

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Fitting Material

Stainless Steel

System of Measurement

Maximum Temperature

Less than 200° F

200° F to 249° F

250° F to 299° F

300° F to 399° F

400° F or greater

Fitting Connection

Gender

Minimum Temperature

Maximum Pressure

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240 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

Breather Vents

Maintain even pressure and vacuum as temperatures change by allowing airflow in tanks and enclosures

Pressure-Relief Discs

Pressure-Relief Discs

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

Expansion Plugs

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

Containers, Storage, and Furniture

Drum Plugs

Seal drum lid openings

Lubricating

Grease Fittings

Grease Fittings

Create an inlet on equipment and machinery for injecting lubricant; also known as Zerk fittings

Electrical

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

Electrical Enclosure Drain Vents

Electrical Enclosure Drain Vents

Prevent moisture from getting trapped inside enclosures while letting air flow through

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