... certified, CNC machined. export to UK. USA SMS butterfly valve(clamp butterfly valve, sanitary valves)Material quality: AISI304, 316L Standard: DIN/SMS/ISO ... : according your import requirementWe can supply a wide range of sanitary pipe fittings such as elbows, tees, unions, clamps, pipe ... hangers and reducers according to DIN, SMS, ISO9000. SMS butterfly valve(clamp butterfly valve, sanitary valves)