Duct plate Section details are given in this AutoCAD DWG drawing. Typical Sectional details are clearly given in this drawing file. Fire lite, stiffer, dense castable, fiber gasket, dense castable, duct flange, hole, 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.