Flush valve diaphragm

FIG. 1 is an upper perspective view of a flush valve diaphragm, showing our new design;

FIG. 2 is a bottom view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is is a rear view thereof;

FIG. 7 is a front view thereof; and,

FIG. 8 is an upper perspective view thereof in a configuration of use.

The broken line showings of FIGS. 1-8 are environmental only and not part of the claimed design.