Technical Features Elastomer bellows, unbalanced, single-coil spring, general purpose seal Operating Limits d=0.375”~3” p=up to 11bar/150psi t= -40℃~+205℃/-40℉~+400℉ v=up to 13m/s Standard seat: S01 Materials Face: carbon,sic,TC Rubber : Nitrile, EPDM, Viton Standard Metal: 304ss