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Meaning of suction valve | Babel Free

Noun CEFR B2

Definitions

An automatic non-return valve that opens when the boiler is at less than atmospheric pressure so as to avoid any risk of vacuum collapse when a hot boiler is allowed to cool down out of service.

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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