... (coupling), bends, nipples, unions, crosses, flanges, plugs, backnuts(locknuts), crosses over, round caps etc.Oil and Gas Pipe Fitting Galvanized Malleable ... : elbow, tee, socket, bushing, reducer,bend, nipple, union, cross, flange, plug, backnut, cross over, round cap etc.EdgesBanded, beaded or plain; with or ...