needle valve

American  

noun

Machinery.

1. a valve with a needlelike part, a fine adjustment, or a small opening, especially a valve in which the opening is controlled by a needlelike or conical point that fits into a conical seat.

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needle valve British  

noun

1. a valve containing a tapered rod that can be moved in or out to control the flow of a fluid

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Etymology

Origin of needle valve

First recorded in 1900–05

Example Sentences

For a while they spoke of the difficulties Gay must be having getting a needle valve and then gradually as the time passed they didn’t mention him any more.

From Literature

There is a needle valve, and the point must be on the needle and must sit in its hole or the carburetor does not work.

From Literature

“Anyways you won’t go running off without a needle valve,” said Gay.

From Literature

The float may bind on its guide, the needle valve regulating the gasoline-inlet opening in bowl may stick to its seat.

From Project Gutenberg

The fuel from the tank entered the top of the float compartment and the opening was closed by a needle valve carried on top of a hollow metal float.

From Project Gutenberg