... 9001:2008 SO(Slip On) flange Flange typeSO(Slip On) flangeThis flange is slipped over the pipe and ... 48" DN15--DN3000MaterialCarbon steel, stainless steel and alloy steel( A105,,F316, F304, F316L, F304L, F5, F11, F22, ... , PN 320, PN 400Flange Face TypesRaised Face(RF),Flat Face (FF),Ring-Type Joint (RTJ),Ring ... of21860 square meters.We supply steel pipe,flange,pipe elbow,pipe bend,reducer,tee,cross, ...