Non return valve | Article about Non return valve by The Free Dictionary
check valve (redirected from Non return valve)
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check valve[′chek ‚valv]
A device for automatically limiting flow in a piping system to a single direction. Also known as nonreturn valve.
a device that passes a stream of fluid or gas through a pipe only in one direction and closes automatically when the direction of the stream reverses. It is used in various thermal power engineering and production plants.
check valve, back-pressure valve, reflux valve
An automatic valve which permits liquid to flow in only one direction. Also see non-return valve
Two types of check valves.
A valve that permits the flow of fluid in one direction only. Various types of check valves are depicted in the illustrations.
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