Stop valve

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a valve that can be closed or opened at will, as by hand, for preventing or regulating flow, as of a liquid in a pipe; - in distinction from a valve which is operated by the action of the fluid it restrains.

See also: Stop

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To determine the structure of the metal in the area of joining of the branch pipe with the cast body of the stop valve, the components were subjected to metallographic examination.
2,4,5) The soft-gas period of the defrost sequence begins by shutting off the evaporator fans and energizing the pilot solenoid for the suction stop valve.
The patented Air Stop valve is installed in the engine air intake system.
Generally the stop valve is located under the kitchen sink, beneath the stairs or in the cellar or basement.
The ABI advise anyone with frozen pipes to turn off the stop valve.
Additionally, special stem packing materials are developed by Val-Tex Company in the US, to stop valve stem passing or external leaking of crude oil or sour gas to atmosphere, stopping any harm to the personnel or the environment.
Drain Doctor has produced a simple check list for homeowners to ensure problems are identified quickly and that major repair work can be avoided: Always know where your main stop valve is located and ensure it is labelled.
Q I had to turn the main cold water stop valve off to repair a sink.
However, contact a plumbing expert if in doubt Being prepared - locating the main stop valve The main stop valve can be found on the rising main, the pipe that brings fresh water into your home.
piece of copper pipe and solder it into the tee under the sink, then solder a water supply stop valve on the other end.
Limited Tenders are invited for 2500 Cls 1 Globe / Stop Valve
Emergency stop valve and its servomotor of unit 2, at, sgtps, mppgcl birsinghpur