English Dictionary

clack valve

noun

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

The clack valve is used in engineering to control the flow of fluid.

意味（1）

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

The feed water enters the back and cool end of the preheater and passes forward to the front and hot end, after which it enters the boiler through a clack valve.