A pneumatic ball valve uses a sphere around the axis of the stem that rotates 90 ° to realize the function of open and closed. A pneumatic ball valve in the pipeline is mainly used to cut off, distribute and change the direction of medium flow, and the design of a v-shaped opening pneumatic ball valve also has a good flow regulation function. Different from the pneumatic ball valve, a pneumatic butterfly valve is a valve that uses disc-type opening and closing of a reciprocating swing around 90 ° to open, close, and adjust the fluid channel. Pneumatic ball valve Obstruction and secretion obstruction and secretion When the ball valve…