Membrane operated reversing valve - for inlet-outlet by-pass in ion exchange water softener

Dispositif de vanne pour appareil adoucisseur d'eau

  • Inventors:
  • Assignees: Sapir Sa
  • Publication Date: February 20, 1976
  • Publication Number: FR-2280002-A2


In the valve assembly for an ion exchange water softener as disclosed in the parent patent, the piston controlling the reversing valve in inlet-outlet by-pass is replaced by an elastic membrane associated with a rod mounted on this valve and able to be pushed by the membrane into the posn. in which the by-pass is opened. Specif. the membrane is associated with a disc and is clamped at its rim. The disc has a central rod on its underside which engages a bore in the valve rod of the reversing valve which opens or closes the by-pass connecting the raw water fed to the exchanger outlet.




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