TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

ball check valve [1 record]

Record 1 2017-01-25

English

Subject field(s)
  • Closing Devices and Nozzles (Mechanical Components)
  • Taps and Plumbing Accessories
DEF

A ball valve in which the ball is pushed against or away from its seat by fluid pressure opposed to the action of a spring.

OBS

[A ball-check valve is] a spring-operated check valve in a piping system; when the fluid flows in one direction, pressure against a movable ball allows [the] fluid to pass; when the direction of [the] flow is reversed, the ball is forced against a seat, thereby stopping the flow.

OBS

ball check valve: term officially approved by the Lexicon Project Committee (New Brunswick).

French

Domaine(s)
  • Obturateurs et buses (Composants mécaniques)
  • Robinetterie et accessoires
DEF

Clapet de non-retour dont l'obturateur est constitué d'une sphère libre venant s'appliquer sur un siège conique ou sphérique.

CONT

Si un clapet à bille permet d'obtenir une étanchéité presque parfaite, la bille peut vibrer à cause du manque d'amortissement. C'est la raison pour laquelle on remplace la bille par un piston cylindrique [...] à tête tronconique ou sphérique.

OBS

clapet à bille : terme uniformisé par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - Maintenance.

OBS

clapet à billes; clapet de retenue à billes : termes uniformisés par le Comité du projet de lexiques (Nouveau-Brunswick).

Spanish

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