16 inch valve switch valves are already in use with butterfly valves
, which are divided into soft and hard sealing butterfly valve
s in seal form. The triple offset butterfly valve,
as a part used to realize the pipe system on and off and flow control, has been widely used in many fields such as petroleum, chemical industry, metallurgy, and hydropower. In the known butterfly valve
technology, its seal form USES the seal structure mostly, the seal material is rubber, PTFE, etc. Due to the limitations of structural features, it is not suitable for high temperature, high pressure, corrosion resistance, wear resistance and other industries.