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Pneumatic ball valve is a kind of high-efficiency automated valve driven by pneumatic actuator, widely used in petroleum, chemical, electric power, metallurgy, food, pharmaceutical, water supply and drainage and other industrial working conditions. The valve is suitable for water, oil, gas, steam, acid and alkali solutions and other media, with excellent sealing performance and corrosion resistance. Pneumatic ball valve through the pneumatic drive to quickly realize the opening and closing, responsive, easy to operate, support for remote automation control, suitable for frequent opening and closing of the working conditions of the environment. Product structure is compact, small flow resistance, reliable sealing, strong pressure resistance, long service life, low maintenance costs. Pneumatic ball valves can not only efficiently complete the cut-off and connection of the medium, but also with the regulating system to achieve flow control, to enhance the automation and safety of the pipeline system. Its advantage lies in the high degree of automation, precise control, rapid response, is an important valve equipment indispensable to the control of modern industrial processes.