1,Sanitary stainless steel butterfly valve 2.Flux domination of pipe line: DN25-200 and 1"-8" 3.Standards: ISO, DIN, ... Clamped Valve Features:1) Sanitary stainless steel butterfly valve2) Material quality: SS304, SS304L, SS316, SS316L3) Flux domination of pipeline: DN25-200 ... service for you. We value the good relationships with customers. high quality stainless steel lifting ball butterfly valves