Pneumatic fluorine lined ball valve, belongs to Q641 floating fluorine lined ball valve series; It is composed of pneumatic actuator and fluorine lined ball valve. The valve body part can be combined with pneumatic and electric actuator to form a variety of different types of ball valve specifications. The product according to the form of the spool can be divided into full diameter fluorine lined 0 type ball valve and fluorine lined V type ball valve. The product has low resistance, large flow coefficient, new structure, outstanding characteristics, product technology has reached the domestic leading level. Can be used for cutting or regulating, regulating valve to customer requirements or flow line design of V-shaped ball to achieve the ideal adjustment characteristics. This product work valve body, valve cover, connecting rod ball, packing sleeve and medium contact place are lined with corrosion resistant fluorine plastic products can withstand in addition to "molten alkali metal and elemental fluorine" any corrosive media, Is chemical, petroleum, medicine, food, iron and steel smelting, paper, water and electricity, environmental assurance and other industrial automatic control system for remote centralized control or local control of the ideal product.