TERMIUM Plus®

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

AIR/VACUUM RELEASE VALVE [1 record]

Record 1 1996-10-11

English

Subject field(s)
  • Closing Devices and Nozzles (Mechanical Components)
  • Transport of Water (Water Supply)
DEF

An air valve that permits ingress of air into a empty pipe to counteract a vacuum, and that permits accumulated air to escape.

CONT

Vacuums can occur in pipelines when they are being emptied. ... Air and vacuum release valves have been developed to protect such pipelines.

Key term(s)
  • vacuum relief valve
  • air/vacuum release valve

French

Domaine(s)
  • Obturateurs et buses (Composants mécaniques)
  • Adduction d'eau (Alimentation en eau)
DEF

Soupape s'ouvrant (...) sous l'action d'une différence de pression entre la pression atmosphérique et une conduite ou un appareil hydraulique, pour laisser échapper, ou [ rentrer une petite quantité d'air.]

DEF

Ouvrage d'amenée ou d'évacuation de l'air d'une chambre d'équilibre lors des variations de niveau d'eau dans cette chambre. Le reniflard empêche ainsi la création de vides ou de surpression en cas de coup de bélier.

Spanish

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