The pneumatic ball valve is a ball valve equipped with a pneumatic actuator. The execution speed of the pneumatic actuator is relatively fast, and the fastest switching speed is 0.05 seconds per time, so it is usually also called a pneumatic quick shut-off ball valve. Pneumatic ball valves are usually equipped with various accessories, such as solenoid valves, air source treatment triples, limit switches, positioners, control boxes, etc., to achieve local control and remote centralized control, and the valve can be controlled in the control room. , no need to go to the scene or bring manual control at high altitudes and dangerous areas, which greatly saves human resources, time and safety