Automatic Valves | McMaster-Carr

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1,578 Products

Fluid Handling

Valve Actuators

Valve Actuators

Automatically start and stop flow to your valve

Flow-Adjustment Valves

Flow-Adjustment Valves

Gradually open and close to control the volume of air and liquids though a line

Drain Valves

Vent air or discharge liquids to remove excess fluid from your system

Pilot Valves

Control air supply to the actuator in other valves

Float Valves

Open or close a pipe connection when liquids in a container reach a set level

Air Vent Valves

Air Vent Valves

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

Air-Exhaust Valves

Air-Exhaust Valves

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

Valve Repair Kits

Valve Repair Kits

Maintain valves with replacement parts such as seals, plungers, and springs

Solenoid Coils

Replace the coil that actuates your flow-control valve

Pressure-Regulating Valves

Pressure-Regulating Valves

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

Mixing Valves

Blend hot and cold water, steam, or oil to maintain a set outlet temperature and prevent scalding

Facility and Grounds Maintenance

Flush Valve Replacement Parts

Flush Valve Replacement Parts

Replace virtually any part in the most common flush valve brands

Toilet Flush Valves

Toilet Flush Valves

Release water from a plumbing line or toilet tank into the bowl

Urinal Flush Valves

Urinal Flush Valves

Release water from a plumbing line into the urinal bowl

Flush Valve Converters

Flush Valve Converters

Make manual flush toilets and urinals touch-free

Power Transmission

Air Flow Control Valves

Air Flow Control Valves

Control the speed of air-powered equipment by adjusting the volume of airflow entering or exiting

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