Patent ID: 6105926
Filing Date: 2000-08-22
Classification: E03D,F16K

Abstract:
A diaphragm type flush valve for use with toilet devices such as urinals and water closets, including a body having an inlet and an outlet, a valve seat between said inlet and outlet and a valve member movable to a closing position on said valve seat to stop flow between said inlet and outlet, said valve member including a diaphragm peripherally attached to said body, a pressure chamber above said diaphragm for holding said valve member on said valve seat,a disc positioned on top of said diaphragm, a guide extending downwardly from said diaphragm, said disc being attached to said guide and functioning to assemble said diaphragm, disc and guide into said valve member,said disc including a rigid body and a seal member, said seal member having a portion on an upper surface of said disc for sealing contact with a relief valve extending through said disc and guide, said disc having a portion on a lower surface thereof for contact with said diaphragm.