... .Body Materials: WCB, Ductile iron, CF8, CF3, CF8M,CF3M etc 3.Rating: PN 1.0-1.6MPa4.Body Materials: WCB, Ductile ... disc sealing ring3 Operation: Worm Gear, electric actuator, etc 3) Application:Water or Seawater industry, etc.This valve is widely used in ...