Pinch valve element for plumbing fixture flush valve

Details Pinch valve element for plumbing fixture flush valve Pinch valve element for plumbing fixture flush valve

E - Fixed Constructions

03

D

E03D 3/06 (2006.01) E03D 13/00 (2006.01) F16K 7/07 (2006.01) F16K 31/385 (2006.01)

Patent

CA 2483048

The present invention discloses a pinch valve for replacing a diaphragm valve in a plumbing fixture. The plumbing fixture includes an inlet chamber defining a fluid inlet and in fluid communication with an inside chamber defining a fluid outlet. The pinch valve includes a cartridge member with a fluid inlet opening, a fluid outlet opening and a cartridge chamber defined by a cartridge chamber wall and in fluid communication with the fluid inlet opening and the fluid outlet opening. A flexible sealing member is positioned at least partially within the cartridge chamber and includes a wall with an inner surface defining an inner chamber and an outer surface defining an outer chamber between the outer surface of the flexible sealing member wall and the cartridge chamber wall. The inlet chamber of the plumbing fixture is in fluid communication with the inner chamber and the outer chamber.

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