Equipment site: it must be installed in a site that can operate according to regulations and is very easy to maintain, check and repair. 　　

Fourthly, the valve rod of the electric butterfly valve is of through rod structure. After quenching and tempering treatment, it has good comprehensive mechanical properties and scratch resistance, and there is no need to worry about being corroded by articles. One thing we should pay attention to is that the valve rod of the electric butterfly valve does not operate up and down, only rotates, and does not have to worry about the packing problem. It is not easy to be damaged and has good sealing performance. It is fixed with the taper pin of the butterfly plate, and the extended section is designed to prevent the valve rod from collapsing due to the accidental fracture of the connection between the butterfly plate and the valve rod.