clack valve

clack valve

n. A hinged valve that permits fluids to flow in only one direction and clacks when the valve closes.

clack′ valve`

n. a valve having a hinged flap permitting flow only in the direction in which the flap opens. [1855–60]

Thesaurus

Noun

1.

clack valve - a simple valve with a hinge on one side; allows fluid to flow in only one directionclapper valve, clackvalve - control consisting of a mechanical device for controlling the flow of a fluid