ISODRAFT
User Guide
Piping Components in ISODRAFT
:
Fixed Length Piping
: Fixed Length Piping In Isometric Drawings
Fixed Length Piping In Isometric Drawings
The differences on the isometric are as follows:
•
All fixed length pipe items, including straight tubes, are classified as fittings, and so each one is labelled with a material list number.
•
No material list numbers are plotted for flanges, because all flanges are integral parts of the purchased pipe fittings. Material list numbers appear only for gaskets and bolts at flange positions.
•
Where a flange has a different pressure rating or class from the normal one for that pipeline, a message giving the actual rating is linked to the flange. Rating changes of this type will occur mainly at vessel nozzle positions or at instrument valves.
1974 to current year.
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