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air valve

American  

noun

  1. a device for controlling the flow of air, as from a pipe or tank.


air valve British  

noun

  1. a device for controlling the flow of air in a pipe

  2. a valve for exhausting air from a fluid system, esp from a central-heating installation See also bleed valve

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Previously, SWW said it believed a damaged air valve on private land was the cause for the outbreak.

From BBC Mar. 4, 2026

Flowerdew on Friday said the outbreak may have come from a damaged air valve in a pipe that runs through a field where cows graze that is close to a reservoir.

From Seattle Times May 18, 2024

His latest idea was an improved kind of air valve for inflatable rubber life preservers.

From BBC Jul. 23, 2019

Maybe an empty tank was strapped to the BC vest by mistake, or maybe an air valve was closed off.

From Forbes Oct. 22, 2014

An air valve is sometimes fitted to a reciprocating double acting circulating pump.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

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