... wide range of other type sanitary valves, such as ball valves, check valves, diaphragm valves, sampling valves Sanitary Welded Butterfly Valve1) Material quality: SUS304, SUS316L2) Size ... requestWe also supply a wide range of other type sanitary valves, such as ball valves, checkvalves, diaphragm valves, sampling valves, cutoff valves, safety valves, etc.