(engineering) A simple type of valve, consisting of one or more circular plates held down by a spring.

plural of puppet valve

(engineering) A valve; especially one hinged at one edge, which, when raised from its seat, falls with a clacking sound.

A contrivance by which a ball, placed in a circular cup with a hole in its bottom, operates as a valve. / (proscribed) A ballcock valve.

A tapering valve which turns in a case like the plug of a faucet.

The valve of a steam engine that opens to the air pump from the condenser.

A valve in a pipeline which allows the liquid or gas to flow in one direction only.

A valve which moves on a hinge.

A valve with a disk-shaped mechanism which can be used for isolating or regulating flow.

plural of Fleming valve