... professional manufacture we supply many kinds of malleable iron pipe fittings: elbows, tees, sockets(coupling), bends, nipples, unions, ... Galvanized Malleable Cast Iron Pipe Fitting Product ItemMalleable iron pipe fittings: elbow, tee, socket, bushing, reducer,bend, nipple, ... union, cross, flange, plug, backnut, cross over, round cap etc.EdgesBanded, beaded or plain; with or without Ribs. Thread ...