sanitary butterfly valve(4 position or 12 position, stainless handle) ISO9001:2008,CE,TUV certified, CNC machined. ... export to UK sanitary butterfly valve(4 position or 12 position, stainless handle)Material quality: AISI304, 316L Standard: DIN/SMS ... to DIN, SMS, ISO9000. sanitary butterfly valve(4 position or 12 position, stainless handle)