Piping fitting system details Piping including t shaped piping , u band pipe , v shaped pipe that show trench excavation line , direction of flow ,They are made from materials including carbon steel, iron, aluminum, plastic, stainless steel, copper, brass, and rubber. There are different types of pipe tee fittings such as straight tee, female and male branch tee, male and female-run tee, reducing tee and wye tee., for more details of Piping fitting system download this AutoCAD file or cad format.