A valve that permits the passage of a liquid or gas in one direction only. It stops, or checks, reverse flow.
Also known as a clack valve, from the noise it makes.
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In boilers they are usually mounted halfway along the boiler drum, or else as a top feed, but away from the firebox, so as to avoid stressing it with the shock of cold water.
- swing check
- tilting disc check
- wafer check
The hinged closure element of a swing check valve.
Subjects: Mechanical Engineering
- Valtorc International A major supplier in the industrial control and actuated valves market worldwide supplying ARRA CERTIFIED Ball Valves, Butterfly Valves, V-Port Ball Valves and many more American made products since 1980.