Patent ID: 7922147

Claim:
A flush valve diaphragm comprising: a body having a flexible body portion and a segmented insert within the flexible body portion, the body comprising: a central passageway; a peripheral sealing portion comprising a sealing ring extending along the periphery of the body, the sealing portion with a thickness greater than the thickness of portion of the body within the sealing ring, wherein the flexible body portion is within the peripheral sealing portion; a first integral ring on a first side of the body radially spaced from the sealing ring; a second integral ring on opposite second side of the body radially spaced from the sealing ring; an integral filter integrally formed in the body located between the sealing ring and the first integral ring and between the sealing ring and the second integral ring; a bypass chamber positioned between the first integral ring and the sealing ring; an exit chamber positioned between the second integral ring and the sealing ring; a bypass orifice extending from and allowing fluid communication between the bypass chamber and the exit chamber; and the segmented insert comprising a plurality of trapezoidal members with protrusions extending outward from a major surface of the trapezoidal members, wherein the plurality of trapezoidal members are connected to each other on their outermost edge by a runner.