air valve

American  

noun

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

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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

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Example Sentences

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

The recent outbreak appears to come from a damaged air valve in a pipe that runs through a field where cows graze that is close to a reservoir, said Laura Flowerdew, a spokesperson for South West.

From Seattle Times

A total of 22 cases of cryptosporidiosis were confirmed in the Brixham area by UK Health Security Agency on Wednesday, as South West Water said it believed a damaged air valve on a pipe in a field containing cattle was a potential source of entry for parasites.

From BBC

Yuen, who advises the Hong Kong government on covid policies, went on to call valve-equipped face coverings “selfish,” explaining that these vented designs “filter air when inhaling, but when the air is breathed out through the air valve, it is not filtered, which is not good,” the South China Morning Post reported.

From Washington Post

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

From BBC