Pneumatic ball valve Nominal dimension: 1/2 " ~12 " (dn15~dn300) Valve body material: wcb/cf8/cf8m Ball material: ss316 Valve stem: ss316 Sealing material: ptfe Connection: flange, thread, welding, Approved by the authenticate of api607 fire protection Manufacture standard: gb, jb, iso, ansi, din, jis Options Solenoid valve Limit switch box Positioner Pc to carton box, carton box to plywood case
