Sanitary quick-install check valve(non return) 1)Material:SUS304,304L,316.316L 2)Standard:DIN,SMS,3A,IDF 3)Size:DN25-150&1 Sanitary quick-install check valve(non return) SHSD0151)Material:SUS304,304L,316.316L2)Standard:DIN,SMS,3A,IDF3)Size:DN25-150&1'-6"applied to the stainless steel pipeline system 4)Certificate:ISO9001:2000 5)Manual operation;Pulling handle ,Multi-position handle 6)Connection: ...