ballcock

• Mécanisme de vanne dans un réservoir d'eau qui utilise un flotteur pour réguler le niveau d'eau, ouvrant ou fermant l'orifice d'admission.

A valve mechanism in a water tank that uses a floating ball to regulate the water level by opening or closing the inlet.

1. Floating ball valveC1formaltechnical

   A mechanical device consisting of a floating ball attached to a lever that controls the flow of water into a tank, such as a toilet cistern, by opening or closing a valve based on the water level.

   Robinet à flotteur

   • The plumber replaced the old ballcock to stop the toilet from running.
   • When the water level drops, the ballcock opens the valve to refill the tank.
   • A faulty ballcock can cause a constant trickle of water in the cistern.

   Synonymesball valve