Pipe connection section details are given in this 2D CAD DWG drawing. Typical Sectional details are clearly given in this drawing file. Stack through the roof, sleeve, LPG Gas station, and section details are given in this DWG file. This 2d drawing is useful for civil engineers and architects. Download the AutoCAD 2D DWG file. Thank you so much for downloading the DWG file from our website.