How did the motor of Jiangnan electric butterfly valve know it was closed in place? Pneumatic butterfly valve is a valve composed of a pneumatic actuator and butterfly valve, which is widely used in chemical industry, paper making, coal mine, petroleum, medical treatment, water conservancy and other professions. Pneumatic butterfly valves are equipped with pneumatic actuators, which enable them to get used to some high-risk working conditions and reduce the risk of manual operation. Especially in low-pressure large and medium-sized pipelines, pneumatic butterfly valves are used more and more. In addition, pneumatic butterfly valves with large orifice diameters are more economical than other valves. Pneumatic butterfly valves have a wide range of applications, Because of its simple structure, more convenient maintenance and protection, and quick opening and closing, it can not only greatly improve the power of operation, but also reduce the maintenance and protection time and reduce the labor cost. other,
、 Special attention is given to the disassembly of pneumatic switch ball valve:
