The pneumatic ball valve for quick filling includes a pneumatic actuator and a valve body. The pneumatic actuator and the valve body of the product are connected through a connecting shaft. The pneumatic actuator of the product is equipped with a gas source inlet, a gas source outlet and an indicating contact. The valve body of the product is connected with the pipe socket interface through a nut. The valve body is equipped with a ball and an "O" ring inside the valve body There are two O-rings and they are located on the left and right sides of the ball. Polytetrachloride sealing filler is installed between the "O" ring and the ball. The valve body of the product is made of plastic. 　　

Sixth, in the process of disassembly or reassembly, it must be ensured that the parts on the sealing surface of the valve are not damaged, especially the non-metallic parts, for example, when taking out the O-ring, professionals can use special tools; Seventh, the bolt installation on the flange of the ball valve should follow the three principles of "symmetry, uniformity and step by step";