According to the working mode, it can be divided into two types: switch and regulation. Among them, the regulating type of electric switch butterfly valve is relatively fine, which can work according to the parameters set by people to effectively regulate the liquid. The switch type electric switch butterfly valve is relatively simple. The switch type can work directly after the power is turned on. The adjustable type can only work after setting parameters after the power is connected. 　　

First, ensure that there are no impurities, welding slag, etc. in the pipeline, so the pipeline must be cleaned up;