Questions regarding pipeline grades
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Recently, I came across a set of piping flow diagrams, and the labels indicating the PIPE CLASS for the pipes were a bit difficult to understand. So I’m coming up to ask for some advice. The pipe grade for the argon pipeline is D16ES; the D16 at the beginning likely denotes the pressure rating, while ES is probably an abbreviation for the pipe material? If so, what is the material? The pipeline grade for natural gas pipelines is D16FS. What does FS mean? The pipeline grade for compressed air is D16PS. Is PS the abbreviation for plain carbon steel? The pipe grade for water is D16JS. What does JS mean? The oxygen pipeline grade is S25XS; what does that mean?
Flowcharts usually have an introductory diagram on the first page
This is not listed on the flowchart or on the table of pipe material grades; it is necessary to consult the specific table of pipe material grades. Different design firms use different tables of pipe material grades for various projects
The drawings are from abroad; I’ve checked them and there’s no information regarding the pipe grade. I’ll check to see if it’s mentioned in other technical documents.
For the chloroacetic acid pipeline projects we work on, there are specifications regarding the pipeline grade; you should ask the design team.
I think you should use that standard to judge which one. . . . . . . . . .