... of the leading 1-piece female thread ball valve manufacturers and suppliers in China and ... always at your service.Wafer type ball valve DescriptionWafer ball valves are widely used in the ... the requirements of users and system, wafer ball valves can equip electric actuator, pneumatic actuator ... and material 1, Body : WCB,CF8M,CF82, Cap: WCB,CF8M,CF83, Seat : PTFE4, Ball : SS304,SS316,A1055, Seal ...