Product Description Product Description   Product Name Ductile Iron Universal Coupling Material Ductile Iron Body (GGG50), Glavnized garbon steel bolts/ Stainless Steel Bolts, CHINAMFG rubber ring Registered Brand CNBM Nominal Diameter DN50 – DN2000mm Application Drinking Water / Sewage Pipe Line, Pump Station, Water Tratement Plant. Standard EN545, EN598, ISO2531, AWWA Coating Fusion Bonded Epoxy (FBE), … Continue reading China OEM Fbe Coating Flexible Coupling