This architectural drawing is Valve design in detail AutoCAD drawing, dwg file, CAD file. A valve is a device that controls the flow of fluids by opening and closing. Any substance that can flow freely is considered a fluid in a scientific setting, and valves can utilize either liquids or gases. Valves regulate the flow of fluid in hydraulic, pneumatic, irrigation, plumbing, and motor systems. For more details and information download the drawing file.