The name of the electric on-off butterfly valve is very strange. Most people do not know what it is, nor do they know much about the electric on-off butterfly valve. Electric switch butterfly valve is a kind of electric valve for control and regulation. Now the electric switch butterfly valve is widely used in various fields. Because of its good performance, the electric switch butterfly valve can quickly and efficiently adapt to various environments. The electric on-off butterfly valve can be used as a control valve and a regulating valve, and it is an automatically controlled valve. However, it is also equipped with manual control parts, which can also be adjusted with a manual switch in case of machine failure. 　　

First of all, the installation position of the pneumatic control valve requires a certain space between the upper and lower parts of the high valve to facilitate the disassembly and repair of the valve. If the positioner and hand wheel control valve with pneumatic valve are installed, it is necessary to ensure convenient operation, observation and adjustment.