There are 4 videos on how to use the Autodesk Plant Design Spec Editor. They can be found on Plant Exchange under Videos. The link is here:
The only difference between lined pipe and standard pipe would be the long description. Just make sure the OD of the pipe matches what is required for the spec. There is obviously no need to model the pipe and the lining itself.
I have created lined pipe before. You just make the OD from the manufacturers catalog. Change your long description to be "Cement Lined" or "PTFE Lined" or again, whatever it is from the manufacturer.
Eg, DN100 CS Pipe is OD 114.3 and looking at the Tyco catalog quickly, one of their (Ductile Iron to AS Standard) DN100 pipes is OD 122.
For the purpose of plant modelling, you only need the OD, there is no need to model the wall thickness or the lining itself. The long description of the pipe will state what the pipe is and what the lining is.
Just to be sure - are you talking lined pipe e.g. PTFE lined or are you talking jacketed pipe (as in pipe within a pipe). Also what design standards do you usually use? Imperial, Metric-DIN...
Samuel, have a look at the video's from Ian's link posted previously. There are 4 Cats and Specs video's that show how to create and edit specs for your project.
Just to re-iterate Ian's comment also, do you mean lined pipe or jacketed pipe?
I believe Samuel's concern was the lining flange overlap.
How to convey to spec & catalog editor, for correct dimensions.
These must be considered in pipe lengths.
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