Size Range: DN50-DN600 Body Material: Ductile Iron GGG50 with FBE coated Seal: EPDM/ EPDM+Copper Ring Bolts and Nuts: Carbon steel G 8.8/6.8/4.8 with dacromet coating/galvanization/SS304/SS316 Working Pressure: PN10, PN16, Working temperature: -10℃ to +70°C Connection: HDPE pipe Suitable for water and neutral liquids (sewage) application For more detail information kindly come toworgocn dot comor contact us frank at worgocn dot com freely.