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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If the water pressure is still too low, start replacing the old stop valves to the sinks and toilets.
Stop valves tend to corrode slightly with time, so check that it's working by exercising the valve twice from fully open to fully closed and back again (and always close the valve 'half a turn' from fully open once you're done).
The high-pressure stop valves are the basic parts of equipment used for extraction of oil and natural gas from large depths.
If the hoses from the washing machine don't reach the pipes that will supply it, you have little choice but to drain and cut the pipes, install T-fittings and run branch pipes to the washing machine that terminate in mini stop valves.
Air Stop valves can be installed upstream or downstream of an engine turbocharger, the company said.
So there are no oil separators, no oil stop valves, no oil filters and no check valves.
The stop valve package consists of bellows sealed stop valves on the steam inlet and condensate outlet connections enable isolation of the primary circuit.
The easy-to-use SureStop design, developed with the help of development Unit, will mean no more hard-to-find, hard-to-turn traditional stop valves which have plagued plumbers and homeowners for so long.
These types of stop valves are generally visible and have a polished surface.
Giuliani Anello manufactures and distributes valves and filters utilized in heating applications including strainer filters, solenoid valves, flow stop valves, stainless steel water filter elements and steam cleaning filters.