Stop Valves | McMaster-Carr

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For Use With

Acetic Acid (White Vinegar)

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6,438 Products

Fluid Handling

On-Off Valves

Start and stop flow through a line

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Diverting Valves

Redirect flow between ports

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Flow-Adjustment Valves

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

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Drain Valves

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

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Tap Valves

Pierce copper tubing for a secondary line to humidifiers and ice makers; also known as saddle valves

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Valve Handles and Knobs

Replace the handle on most types of valves

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Directional Control Valves

Manage the flow of fluids to move equipment in air- and hydraulic-powered systems

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Control air supply to the actuator in other valves

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Mating parts join valves to a line for quick connection and removal

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Solenoid Coils

Replace the coil that actuates your flow-control valve

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

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Sampling Valves

Drain a small amount of fluid for inspection without disrupting flow

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Flexible and stronger than tubing; often used to convey liquids and gases under pressure

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Absorb heat from a fire in your gas pipeline to stop it from traveling back to the gas source

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Replace virtually any part in the most common flush valve brands

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Manual and touch-free faucets for janitorial, restroom, and food service sinks

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Pressurized-Tank Toilet Kits

Replace upper water supply, flush valve cartridge, or the whole system in pressurized-tank toilets

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Urinal Flush Valves

Release water from a plumbing line into the urinal bowl

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Make manual flush toilets and urinals touch-free

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

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Replace parts such as flappers, fill valves, and floats in your toilet tank

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Connect garden hose to lines coming from a building or the ground

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

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Remove lingering moisture from air lines

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Prevent accidental start-up when servicing equipment

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Tap into refrigerant lines to drain and fill your system

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Seal off AC service valves to prevent refrigerant from leaking out

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Replace valves on your shower station

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