... , CF3, CF8M,CF3M etc Resilient seated Butterfly valve 1) Product range1.Rating: PN 1.0-1.6MPa2.Body Materials: WCB, Ductile iron, CF8, CF3 ... , CF8M,CF3M etc 3.Rating: PN 1.0-1.6MPa4.Body Materials: WCB, Ductile iron, CF8, CF3, CF8M,CF3M ... etc 2)Design feature: 1 Seal: PTFE, NRB rubber soft seal2 Replaceable disc sealing ring3 ...