It has a good sealing performance like rubber seal butterfly valve, But also has metal sealing temperature, Pressure and so on. It is widely used in medium temperature ≤ 150 metallurgy, Electric power, Petroleum, Water supply and drainage, Municipal engineering, Pipeline, Ship, Etc. It will be directed to open and close the flow control media agency.
Butterfly valve (hard seal butterfly valve) is divided into frame- Based and non- Skeleton type. PTFE sealing butterfly valve is a butterfly valve (hard seal butterfly valve), Lies between the soft skeleton rubber seals and metal sealing butterfly valve butterfly valve.
