Three piece female ball valve are commonly found in flowing systems on ships, fire safe protection services and chlorine manufacturers. They are not recommended for use in pharmaceutical, bioprocessing, or food and beverage applications because they cannot be cleaned easily. Exceptions can be made for chemical or non-sterile applications.

 The three piece female thread connecting ball valve has the valve body cast using advanced process introduced from Taiwan, reasonable in structure and elegant in appearance; the valve seat is of elastic seal structure, reliably sealed and easily opened and closed; the valve rod is of bottom mounting structure with back seal, and will not fly out in case of abnormal pressure rise inside the valve cavity. The valve can be equipped with ISO standard support platform, locking device, and 90° switch locating mechanism. The valve can thus be locked as required to prevent accidental operations. There are three drive modes, manual, electric and pneumatic modes.