Fiber reinforced thermoplastic butterfly valve element

摘要

A disk element for a butterfly valve utilizing a flattened disk-like member which typically has diametrically opposed tubular sleeve insert members mounted therein, one of such insert members being noncylindrical. The disk element is comprised of fiber reinforced thermoplastic polymer. Preferably the polymer is poly(arylene sulfide) and the fiber reinforcement is comprised of carbon or glass.