One piece diaphragm for pressure balanced valve assembly

Details One piece diaphragm for pressure balanced valve assembly One piece diaphragm for pressure balanced valve assembly

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 31/68 (2006.01) F16K 11/14 (2006.01) F16K 17/26 (2006.01) G05D 11/16 (2006.01) G05D 23/13 (2006.01)

Patent

CA 2207812

A valve assembly 30 having a pressure balancer 38 disposed in a housing 32 in which is formed a chamber 48. A one-piece poppet unit 46 is mounted for movement in the chamber 48. The poppet unit 46 has a shaft 51 with a circular disc 106 to which is bonded a diaphragm 56 and a pair of poppets 52 and 54 formed at either end thereof. The diaphragm 56 divides the chamber to form a compartment on either side thereof in which there is zero leakage across the diaphragm 56 of the poppet unit 46 and eliminating any cross-flow leakage between the hot and cold water, respectively, in the chamber compartments.

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