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Definition 2025

butterfly_valve

butterfly valve

English

a butterfly valve formerly used on a dam, with its disk partially open

Noun

butterfly valve ‎(plural butterfly valves)

A valve with a disk-shaped mechanism which can be used for isolating or regulating flow.

Related terms

butterfly door

Translations

valve which can be used for isolation or regulating flow

Finnish: läppäventtiili

Japanese: 蝶形弁 ‎(ちょうがたべん, chōgataben)