The first is flange pneumatic butterfly valve, which is mainly composed of rubber closed valve or stainless steel valve plate surface, valve rod. The ambient temperature for the valve can be 80 ℃ to 120 ℃. Due to its strong adaptability, the valve has been widely used in the food field, oil field, light textile field and paper making field, and is mainly installed inside the drainage and exhaust pipes, It can balance the quantity of flow medium and cut off the flow medium.

What are the advantages of pneumatic ball valves? The operating principle of pneumatic ball valve is to rotate the valve core to make the valve unblocked or blocked. The pneumatic ball valve is easy to open and close, small in size, can be made into a large caliber, reliable in sealing, simple in structure, convenient in maintenance, the sealing surface and spherical surface are often closed, not easy to be eroded by media, and is widely used in various industries.