Sanitary Stainless Steel Check Valve

We are providing union parts , ferrule clamp sets , and butterfly valves, check valves, sight glass ,sampling valve and other pipe fittings with SMS,DIN,3A,MACON,DS,ISO,IDF,RJT Standards. We are strict on the raw material selection for ASTM stainless steel of 304, 304L, 316L .And we insist on that good material is the first step of good quality. We believe that details decide quality. So we are strict on quality controlling on each step and even on each accessory. For gasket(we choose foreign brand) .valve nut and screw, valve handle, spring, we always use SS304 or follow customer’s special requirement.