... ,SMS etc Sanitary Stainless Steel Butterfly Clamped Valve Features:1) Sanitary stainless steel butterfly valve2) Material quality: SS304, SS304L, SS316 ... typediaphragm valve5) Sample valves, stop reversing valves, forged stainless steel valves, and pipefittings6) Standard: AAA, DIN, SMS, ... you. We value the good relationships with customers. high quality stainless steel lifting ball butterfly valves