A Quick Look at These Three Types of Sanitary Butterfly Valve. Sanitary Butt Welded Butterfly Valve, Sanitary Thread Butterfly Valves and Sanitary Flange Butterfly Valves. Sanitary Butt Welded Butterfly Valve The Sanitary Butt Welded Butterfly Valves are triple offset structure and suitable for high temperature, high pressure, corrosion, etc. Its are quarter-turn valves which are used for isolating or regulating flow. They are favored for being lighter in weight, requiring less support and are suitable for water and gas, which makes them useful across industrial, mining and power applications. The butt-weld butterfly valve has various advantages such as good sealing performance, convenient operation, and quick opening and closing. They have no flanges, making the…