Product Description Pneumatic threaded ball into two and three type style. Body cast from Germany to introduce advanced technology, reasonable structure, beautiful shape. With travel limit switches, solenoid valves, FRL and 0.4-0.7MPa gas source switching operation can be achieved, and sent two pairs of passive contact signal indicating the valve switch. Pneumatic valve seat with elastic thread sealing structure, open and close easily, reliable sealing. Valve stem seals Bottoms inverted structure, abnormal pressure when the valve chamber, the stem will not be affected. Switch can be set to 90 ° positioning mechanism, according to the need to lock in order to prevent misuse. Pneumatic thread ball valve is suitable for PN1.0 ~ 4.0MPa, working temperature -29 ~ 180 ℃ (ring for enhanced polytetrafluoroethylene) or -29 ~ 300 ℃ (ring for the position of polystyrene) of various pipeline used to cut off or connected line of medium, use of different materials, internal pneumatic threaded ball valve can be separately applied to water, steam, oil, nitric acid, acetic acid, ammonium salt, and water and other media in this ball applicable in the food, beverage, pharmaceutical, chemical and other pure pipeline and industrial environmental protection, water treatment, high-rise buildings, to open and close the drain line or adjust the flow purposes.