check valve

(redirected from Non return valve)
Also found in: Dictionary, Medical, Acronyms.

check valve

[′chek ‚valv]
(mechanical engineering)
A device for automatically limiting flow in a piping system to a single direction. Also known as nonreturn valve.

Check 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

check valve
An automatic valve which permits liquid to flow in only one direction. Also see non-return valve.

check valve

check valveclick for a larger image
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.
References in periodicals archive ?
Tenders are invited for Repairs to 60 HP centrifugal pump set No 2 and laying and fixing of 200 mm dia MS pipe, Non return valve sluice valve and other accessories installed at Gokak WTP
Limited Tenders are invited for Kirloskar Make Non Return Valve Size 12(300Mm)
Tenders are invited for Procurement of pipe fittings sluice valve non return valve foot valve flanges