Isometric Drawing

Steel and Pipe Fabrication Tutorial
In a piping isometric drawing, the pipe is drawn according to its length, width, and depth, and is often shown in a single view. The Isometrics drawing is created from information found on a plan and elevation views.

Symbols like fittings, Valves, and flanges are modified to adapt to the isometric grid. Piping isometrics are usually drawn on pre-printed paper, with lines of equilateral triangles from 60°. Pipe lengths are measured using coordinates and elevations. Vertical pipe lengths are calculated using elevations, while horizontal lengths are calculated using north-south and east-west coordinates. Piping isometrics are generally produced from orthographic drawings and are essential to the design and manufacturing phase of very complex or large piping systems. It is often used by designers prior to stress analysis and used by draftsmen to produce shop fabrication spool drawings. Isometrics drawing is also the most important drawing for installation contractors during the field portion of the project.

The isometric drawing is oriented on the grid relative to the north arrow found on plan drawings and not drawn to scale. Therefore, dimensions are required to specify the exact lengths of piping runs. his video is about how to read isometric drawings in piping. Basically, this video taught you in sample way to read bill materials, directions, and quantities in pipefitting | Wire bending in piping| Elbow center calculations| Length measurements of piping | and Bill materials in piping.
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