The causes of butterfly valve failure are as follows:1. There are sundries on the butterfly plate and sealing surface;
The standard of pipe clamp flange must be consistent with the standard of butterfly valve flange; it is recommended to use butt welding flange, butterfly valve special flange or integral flange
Butterfly valves are of various types and have obvious advantages. It can withstand high temperature, wide range of pressure, large nominal diameter of valve, strong self-cleaning ability,