... /CF8/CF8M/C95400 3)FF:EN558-1 16Double Flange Butterfly Valve: SizeDN40mm-DN1400mmDesign StandardAPI 609End flangeEN1092 , ANSI 125/150# ... SS431,SS316SeatNBR, EPDM, WRAS-EPDMSuitale mediumSewage, Sea water, Air, Foodstuff and OilThese products are widely used in industries ... metallurgy industries.Suitable Medium:Water, sewage,sea water, air, foodstuff, oil etc.Working Temperature:-10°C~150°COperator ...