Flush valve filter and bypass orifice

Details Flush valve filter and bypass orifice Flush valve filter and bypass orifice

E - Fixed Constructions

03

D

E03D 3/12 (2006.01) E03D 3/06 (2006.01) F16K 31/385 (2006.01)

Patent

CA 2121516

ABSTRACT OF THE DISCLOSURE A diaphragm-type of flush valve for use with toilet devices such as urinals and water closets has a body with an inlet and an outlet and a valve seat therebetween. There is a valve member movable to a closing position on the valve seat to stop flow between the inlet and the outlet. The valve member includes a diaphragm peripherally attached to the body, a refill ring attached to the diaphragm for controlling water flow to the outlet and a retaining disc which is used to attach the refill ring to the diaphragm. There is a pressure chamber above the diaphragm for holding the valve member on the valve seat. A filter and bypass orifice connect the inlet and the pressure chamber, with the bypass orifice being formed in the retaining disc and the filter being formed in part by a portion of the diaphragm.

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