... :DI,CI,grey iron 2.ISO9001:2008 3.wafer lug butterfly valve 4.soft-sealed 5.DN15-DN800 Wafer Butterfly ValveSizeDN40 - DN500Design ... 316SeatNBR,EPDMSuitale mediumSewage, Sea water, Air, Foodstuff and Oilcast iron butterfly valve Size:2"-32" Rating:CL150-CL2500 Materials:C.S, ... S.S,F.S Certificates:CE, API6Dcast iron butterfly valveSize:2"-32" or DN50-DN800Pressure: Class150-1500LBMaterial:WCB ...