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


Record 1 2010-07-23


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

Valve disc-the movable portion of a valve which comes into contact with the seat as the valve closed, and which controls the flow of the medium through the valve. A contoured disc controls the flow by a shaped end, sometimes called a valve plug, and is usually end-guided at the top or at the bottom (or both) of the valve body.

Key term(s)
  • contoured disk
  • contour disc
  • contour disk


  • Obturateurs et buses (Composants mécaniques)
  • Robinetterie et accessoires

Obturateur d'une vanne à soupape constitué d'un clapet plein dont le profil extérieur permet une variation du débit en fonction de sa position.


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