Relevant information Grasp several key points for selecting electric control valves Do you know the working principle of pneumatic control valves How to use electric butterfly valves? What role can the pneumatic switch ball valve in the forbidden area play in the work of overload? Analysis of the troubles caused by oil distribution to the pneumatic control valve

An elastic sphere obtains elasticity by opening an elastic groove at the lower end of the inner wall of the sphere. When the channel is closed, use the wedge head of the valve rod to expand the ball and compress the valve seat until it is sealed. Loosen the wedge head before rolling the ball, and then the ball will return to its original shape, making a small gap between the ball and the valve seat, which can reduce the conflict and operating torque of the sealing surface.