slide valve

American  

noun

Machinery.

1. a valve that slides without lifting to open or close an aperture, as the valves of the ports in the cylinders of certain steam engines.

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slide valve British  

noun

1. a valve that slides across an aperture to expose the port or opening

2. (modifier) fitted with slide valves

   a slide-valve engine

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Etymology

Origin of slide valve

First recorded in 1795–1805

Example Sentences

According to the update , erosion created a hole in the slide valve, allowing air to mix with hydrocarbons.

From Seattle Times

FCCUs use a fine, silica catalyst in high heat to make gasoline from gas oil and the passage of the sand-like catalyst over the slide valve at the Superior refinery wore a hole in it.

From Reuters

Helicopters Inc. has since changed its story, now blaming the crash on a jammed slide valve, a component in the hydraulic system controlling the chopper’s tail rotor.

From Seattle Times

The valves of the high-pressure and intermediate cylinders were of the piston type, and the low-pressure cylinder had double-ported slide valves, fitted with Stephenson link motion.

From Project Gutenberg

The pipe for supplying oil to the slide valve and cylinder is furnished with a sight feed oil cup, the oil being carried by steam from the steam drum.

From Project Gutenberg