... 2)DN25-150 3)DIN,SMS,ISO,IDF,3A,RJT,DS,BS,BPE 4)ISO9001:2008 Features: 304 Stainless Steel Welding Concentric Reducer ... 1)Material:SUS304,304L,316,316L 2)Size:DN25-150&1"-6" 3)Standard:DIN,SMS,ISO ... ,brewery,pharmacy.chemical industry etc 7)Connection types:welded,clamp,union,threaded..... 8)Polish:mirror polish,sub-light,180G.240G,400G ...