This architectural drawing is Tank connectors design in detail AutoCAD drawing, dwg file, CAD file. An airtight connection between a pipe and a tank is made using a tank connector, a sort of leak-proof fitting. Typically, 15mm, 22mm, and 28mm fittings are offered for tank hookups. A compression fitting and flange are often found at either end of a tank connector. For more details and information download the drawing file.