Different pipe connectors are designed in AutoCAD 2D drawing. Different types of pipe fittings are employed in piping systems. Elbows, tees, reducers, unions, couplings, crosses, caps, swage nipples, plugs, bushings, adapters, outlets, valves, and flanges are the most important and frequently sought-after items. For more knowledge and detailed information download the AutoCAD 2D dwg file.