... Valve Features:1) Sanitary stainless steel butterfly valve2) Material quality: SS304, SS304L, SS316, SS316L3) Flux domination of pipeline ... triplet diaphragm valve, U-typediaphragm valve5) Sample valves, stop reversing valves, forged stainless steel valves, and pipefittings6) Standard: AAA ... . We value the good relationships with customers. high quality stainless steel lifting ball butterfly valves