Release Valves | McMaster-Carr

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System of Measurement

Inlet Pipe Size

For Use With

Inlet Thread Type

Maximum Inlet Pressure

Less than 250 psi

250 psi to 499 psi

500 psi to 999 psi

1,000 psi to 1,999 psi

Set Pressure

1,000 psi to 1,999 psi

2,000 psi to 2,999 psi

Body Material

Valve Function

Inlet Connection

Shape

Valve Type

Inlet Gender

Actuation

Maximum Temperature

Set Pressure Configuration

Adjustable

Fixed

Relief Port Pipe Size

Overall Height

Seal Material

Outlet Pipe Size

Airflow Capacity

REACH

Relief Port

RoHS

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

2B999

EAR99

Inlet Connection Port

Pipe

Tube

DFARS Specialty Metals

Exempt

Forward

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858 Products

Fluid Handling

Pressure-Relief Valves

Protect equipment by opening at a set pressure and closing when the pressure drops; for repeated use

236 products

Air-Exhaust Valves

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

68 products

Air Vent Valves

Eliminate air pockets from fluid lines to maintain consistent flow and prevent surges

38 products

On-Off Valves

Start and stop flow through a line

38 products

Steam Traps

Extract condensation from lines without losing any steam

16 products

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

3 products

Power Transmission

Compressed Air Regulators

Ensure continuous, safe operation of air-powered equipment by controlling air pressure

312 products

Facility and Grounds Maintenance

Air Admittance Valves

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

2 products