... ,CE,TUV certified, CNC machined. export to UK. USA SMS butterfly valve(clamp butterfly valve, sanitary valves)Material quality: AISI304 ... , 316L Standard: DIN/SMS/ISO/IDF/3A/RJT/DS/BS/BPESpecification: DN15mm~150mm or ... , unions, clamps, pipe hangers and reducers according to DIN, SMS, ISO9000. SMS butterfly valve(clamp butterfly valve, sanitary valves)