Size Range: DN50-D2000 Body Material: Ductile Iron GGG50, Carbon Steel ST37.2 with FBE coated Flange Drilling: EN1092 PN10, PN16, PN25, AS/BS TD, TE Working Pressure: PN10, PN16, PN25 Equipped with galvanized steel bolts, nuts Rubber Seal: EPDM or NBR Bolt & Nut: Galvanized Steel, Hot Galvanized Steel, SS304, SS316 Usage: Connect pipes, fittings and Valves For more detail information kindly come toworgocn dot comor contact us frank at worgocn dot com freely.