check valve


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check valve

n
(Mechanical Engineering) a valve that closes by fluid pressure to prevent return flow. Also called: nonreturn valve

check′ valve`


n.
a valve permitting liquids or gases to flow in one direction only.
[1875–80]
Translations
valvola di ritegno
References in periodicals archive ?
The purpose of the OmniSeal[R] anti-blowout seal used in the check valve of the rocket engine is to seal pressurized gas and liquefied gas from temperatures below -300[degrees]F (-184[degrees]C) up to 122[degrees]F (50[degrees]C).
has introduced a new line of barbed check valves as an extension to its SCV Series of check valves.
Shipham Valves, a subsidiary of Wartsila, has completed the development programme for a new range of composite single plate wafer check valves, which will be introduced to the market place at the Valve World Exhibition to be held in Dusseldorf at the end of November.
If the thumping noise is keeping you up at night, replace it with a quieter check valve.
Both the check valve and relief valve functions are controlled by the double silicone diaphragm in the middle of the assembly and the 2 mating outer components (polycerbonate), which hold and center the diaphragm
Check valves are used to prevent water pumped to an overhead tank from flowing back when the pump stops.
A record casting application was set this year with the world's largest sub-sea swing check valve produced by Atchison Casting Corp.
We started by dividing the strut chamber in two," says Bauman, "and placing a one-way check valve between the two chambers.
Thermoplastic manifold type check valve is designed to prevent reverse flow while simplifying installation of multiple check valves.
This compact and versatile linear valve is available as a normal venting valve, with integrated check valve, with automatic venting or with both integral check valve and automatic venting.
Precisely engineered, check valve with external seal suitable for many applications