Bronze Relief Valves | McMaster-Carr

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Body Material

Material

System of Measurement

Inlet Pipe Size

For Use With

Argon/Carbon Dioxide Blend

Liquid Carbon Dioxide

Set Pressure

Maximum Inlet Pressure

Less than 500 psi

500 psi to 999 psi

1,000 psi to 1,999 psi

2,000 psi to 3,999 psi

Pipe Size

Outlet Pressure

Inlet Thread Type

Airflow Capacity

Set Pressure Configuration

Adjustable

Fixed

Relief Port Pipe Size

Seal Material

Burst Pressure

Maximum Pressure

1,000 psi to 1,999 psi

2,000 psi to 2,999 psi

3,000 psi to 3,999 psi

Shape

Valve Function

Back-Pressure Regulation

Maximum Temperature

Valve Type

Back-Pressure Regulator

Inlet Connection

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

434 Products

Pressure-Relief Valves

Fast-Acting Pressure-Relief Valves

ASME-Code Fast-Acting Pressure-Relief Valves for Air and Inert Gas

Meet ASME Code Section VIII for use with air and inert gas pressure vessels

24 products

Remote-Discharge ASME-Code Fast-Acting Pressure-Relief Valves for Air and Inert Gas

Direct discharge away from your work environment through the relief port

31 products

Fast-Acting Pressure-Relief Valves for Air and Inert Gas

The most basic option for air and inert gas applications

12 products

ASME-Code Fast-Acting Pressure-Relief Valves for Steam

Install in steam power boilers requiring pressure relief above 15 psi

13 products

Fast-Acting Pressure-Relief Valves for Cryogenic Liquids

Withstand the extreme cold of liquid argon, nitrogen, and oxygen

1 product

Adjustable Fast-Acting Pressure-Relief Valves for Air and Inert Gas

Change set pressure using four interchangeable springs with different set pressure ranges

1 product

ASME-Code Fast-Acting Pressure-Relief Valves for Water

Meet ASME Code Section VIII for use with water pressure vessels

4 products

ASME-Code Fast-Acting Pressure-Relief Valves for Cryogenic Fluids

Our only valves that meet ASME Code Section VIII for use with cryogenic pressure vessels

2 products

ASME-Code Fast-Acting Pressure-Relief Valves for Hot Water

Meet ASME Code Section IV for hot water heaters and boilers

7 products

ASME-Code Fast-Acting Pressure-Relief Valves for Low-Pressure Steam

Place in low-pressure steam-heating boilers requiring pressure relief at 15 psi

8 products

Large-Diameter Remote-Discharge Fast-Acting Pressure-Relief Valves for Air and Inert Gas

Relieve a large amount of air in systems with a pipe size of 2 or greater

3 products

Fast-Acting Temperature- and Pressure-Relief Valves for Hot Water

Open when water temperature reaches 210°F or the set pressure

11 products

Large-Diameter Remote-Discharge ASME-Code Fast-Acting Pressure-Relief Valves for Air and Inert Gas

Relieve a large amount of air and meet ASME Code Section VIII

3 products

Fast-Acting Pressure-Relief Valves for Ultra-Low-Pressure Steam

Install in steam-heating boilers requiring pressure relief between 5 and 12 psi

3 products

Pressure-Relief Valves

Pressure-Relief Valves for Cryogenic Applications

Withstand the extreme cold of liquid argon, nitrogen, and oxygen

7 products

Adjustable Pressure-Relief Valves for Water

Alter the set pressure to suit your application

22 products

Precision-Adjustment Pressure-Relief Valves for Fuel

The adjustment screw has fine threads for precise set pressure adjustments

7 products

Pressure-Relief Valves for Water

Install in pumps attached to low-pressure water systems

5 products

Precision-Adjustment Pressure-Relief Valves for Water

Adjust without a gauge by using the 25 psi increments marked on the screw

4 products

Pressure-Relief Valves for Oil

Often used in hydraulic and lubrication systems

5 products

Adjustable Pressure-Relief Valves for Fuel

Gradually relieve pressure in lines for diesel fuel, fuel oil, gasoline, and kerosene

7 products

Hydraulic Valves

Easy-Adjust Hydraulic Pressure-Relief Valves

An external nut lets you adjust the pressure without disassembling the valve

3 products

Other Products

Pressure-Regulating Valves

Reduce inlet pressure to a lower outlet pressure to protect sensitive equipment

203 products

Air-Exhaust Valves

Vent or divert exhaust to speed up the operation of air cylinders, actuators, and other equipment

11 products

Pressure-Relief Discs

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

27 products

Vacuum-Regulating Valves

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

10 products