Standards And Materials Of Sanitary Butterfly Valves
Sanitary Butterfly Valve is a quick disassembly valve, which makes the valve opening and maintenance quick and easy, shortening the process downtime. Its connection methods include internal thread, external thread, flange, welding, etc., and the drive methods include: manual, pneumatic, hydraulic, and electric. The standards adopted by sanitary butterfly valves are as follows:
① Design standard: GB/T2238-1989;
② Flange connection size: GB/T9113.1-2000, GB/T9115.1-2000, JB78;
③ Structural length: GB/T12221-1989;
④ Pressure test: GB/T13927-1992, JB/T9092-1999.
Materials of sanitary butterfly valves: copper, cast iron, cast steel, carbon steel, WCB, WC6, WC9, 20#, 25#, forged steel, A105, F11, F22, stainless steel, 304, 304L, 316, 316L, chrome-molybdenum steel, low-temperature steel, titanium alloy steel, etc.
