NEEDLE VALVE Definition & Meaning

needle valve

noun

Machinery.

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.

needle valve

noun

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

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51�Թ� History and Origins

Origin of needle valve¹

First recorded in 1900–05

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Example Sentences

Examples have not been reviewed.

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

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

From

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

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

From

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.

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