Plastic Relief Valves | McMaster-Carr

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Sodium Hypochlorite (Bleach)

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Back-Pressure Regulator

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For Outlet Tube OD

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EAR99

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52 Products

Fluid Handling

Pressure-Relief Valves

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

14 products

Pressure-Regulating Valves

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

18 products

Vacuum-Regulating Valves

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

2 products

Air-Exhaust Valves

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

16 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