vacuum valve

noun

A non-return valve allowing atmospheric air into a boiler, if a cold boiler reduces its internal pressure on cooling down.

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Meanings

nounvacuum valve (plural vacuum valves)

plural vacuum valves

  1. A non-return valve allowing atmospheric air into a boiler, if a cold boiler reduces its internal pressure on cooling down.
Cite this entry
APA

vacuum valve. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/vacuum%20valve

MLA

“vacuum valve.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/vacuum%20valve. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “vacuum valve,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/vacuum%20valve.

Source: vacuum valve on Wiktionary, CC BY-SA 4.0.