bn:00019391n
Noun Concept
Categories: Firefighting equipment, All articles needing additional references, Valves, Plumbing valves, Steam boiler components
EN
clack valve  clack  clapper valve  check valve  Flapper valve
EN
A simple valve with a hinge on one side; allows fluid to flow in only one direction WordNet 3.0
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EN
A simple valve with a hinge on one side; allows fluid to flow in only one direction WordNet 3.0 & Open English WordNet
A check valve, non-return valve, reflux valve, retention valve, foot valve, or one-way valve is a valve that normally allows fluid to flow through it in only one direction. Wikipedia
Valve that allows fluid to flow through it in only one direction Wikidata
A valve in a pipeline which allows the liquid or gas to flow in one direction only. Wiktionary
Type of a valve. Wiktionary (translation)
Anything that causes a clacking noise, such as the clapper of a mill, or a clack valve. Wiktionary
A valve; especially one hinged at one edge, which, when raised from its seat, falls with a clacking sound. Wiktionary