When using the pneumatic control valve, we must pay attention to the model problem. If we can choose the correct model, the most basic work can be completed. If we choose the wrong pneumatic control valve, many problems may occur, such as uncontrollable, or can not be used with other accessories, and even continuous failures, and even increase the maintenance cost.

Because the valve seal adopts cam type preference structure, when the valve is open, the ball quickly disengages from the sealing surface of the valve seat. When the valve is closed, the ball quickly fits with the sealing surface of the valve seat. Then reach the intention of small opening torque and tight sealing