Elbow and coupling connection design in AutoCAD 2D drawing, CAD file, dwg file

<p>Elbow and coupling connection design in AutoCAD 2D drawing. When two pipes are connected, elbows are utilized to modify the flow direction. In general, elbows come in 22.5, 45, and 90-degree angles. <span lang="EN-US" style="mso-ansi-language: EN-US;">For more knowledge and detailed information download the AutoCAD 2D dwg file. </span></p>