... such as ball valves, check valves, diaphragm valves, sampling valves Sanitary Welded Butterfly Valve1) Material quality: SUS304, SUS316L2) Size: 1/ ... 2"-6" or DN15-DN1503) Standard: ISO, DIN, SMS, IDF, 3A4) Application: dairy, beer, pharmacy, beverage, electron and ... 's requestWe also supply a wide range of other type sanitary valves, such as ball valves, checkvalves, diaphragm valves, ...