Technical Features Elastomer bellows, unbalanced, single-coil spring, general purpose seal Operating Limits d=10mm~75mm p=up to 11bar/150psi t= -40℃~+205℃/-40℉~+400℉ v=up to 13m/s Standard seat: S04 Materials Face: carbon,sic,TC Rubber : Nitrile, EPDM, Viton Standard Metal: 304ss