... body:CI or DI disc:DI+Nickel painted,SS304/316,AL-BRONZE C954 seat:EPDM,NBR,VITON,PTFE shaft:SS316/410 10 ... GG25, Ductile Iron GGG40, GGG50Disc: DI+Nickel painted,SS304/316,AL-BRONZE C954Seat: NBR ( Buan-N), EPDM, VITON, PTFEShaft & Pin: SS410, SS416 ...