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dsg, I have found that, as an engineering professional, to reluctantly or not blindly follow that which vendors quote. Not to say that we have all the time in the world to delve into things or that we don't trust vendors, but seldom are we given all the facts to understand the parameters. I...

Piping:- Piping Handbook, Edited by M Nayar Piping:- Process Piping Design to ASME B31.3, Becht Pipeline:- Piping and Pipeline Engineering, Antaki Process Plant:- Perry's Chemical Engineering Handbook Structural(depending on your location in the world):- Steel Designer's Manual, Davison, Owen...

Roark 7th Edition, Table 13.3, Case 8 will give good fundamental guidance. MW Kellogg, Section 2.3 will also add a bit ...and if you could get your hands on "Tubular Steel Structures, Theory & Design", by MS Troitsky, theres a good section on support of above-ground pipelines. But also largely...

This is how I would (honestly, I would...) go about this: 1. Find out if there are any local or governmental statutory / regulatory requirements, failing which - 2. Re-read the owner’s specification as to what code to use, failing which - 3. Ask a colleague what practice was employed before...

My feeling is that B31.3 covers the distance between pipe supports, but only indirectly, as Big Inch suggested, through a longitudinal stress calculation. This is explained through Code Case 178 – which is based fundamentally on combined bending and torsion equations. Another possible motive...

Generally, on a batch operation basis I wouldn’t think there is a need to have a minimum flow or recirculation line. That is, for 1 or 2 batches a day. Even though modern plant MCC manufacturers have claimed stunning improvement in operating parameters of their kit, a number of old plant...

Hi All, Could anyone lend some historic perspective as to why non-preferred (uncommon) pipe sizes are just that? The enduring tradition is that, for example, 1 ¼” (32), 2 ½” (65), 3 ½” (90), 5” (125) are indeed manufactured but are non-preferred and thus relegated to the “use only if you have...