... ,ANSI,BS,DIN,JIS,etc. 4)ISO 9001:2008 SO(Slip On) flange Flange typeSO(Slip On) flangeThis flange is slipped over ... ),Male-and-Female (M&F)StandardASME,ANSI,BS,DIN,JIS,etc.Surface Treatment Transparent oil, rust-proof black oil ... an area of21860 square meters.We supply steel pipe,flange,pipe elbow,pipe bend,reducer,tee,cross,capand other ... Production Equipment asme b 16.47 carbon steel forged flange