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Well, best of luck with your gasketed joints :)

Speaking from possibly imprecise memory here: TEMA Type W, packed floating head exchangers use a similar flange design at the floating tubesheet because the clearance between the packing flange and floating tubesheet is necessarily small. These units are of course moderate pressure and...

Well, I don't believe you can fairly call this a "reverse flange". It is more a variation on a Sketch 2-4 intergral flange to my eye. Design of a similar desigh was discussed in this post...

If you can find it: Groups > List All Groups, scroll down. I have it as "Watched" so didn't have to search for it (till now) BTW, I don't get the joke either :)

Hard to say, but looks like bolts again. From the pic it looks like flange and bolting is internal to the cylinder. A reverse flange.

Nah. They'd figure out a way... LOL

No direct equivalent. This is a good opportunity for you to study B16.5 and gain the familiarity to answer your own question. Maybe work with a mentor. Best of luck.

Well, first the B16.5 standard contains temperature-pressure rating tables for the various materials. Select the lowest class that meets your design conditions. Second, confirm with the client. They may have a preference. Regards Mike

Peter, happy to help :)

Ummm. Drill three holes in a piece of steel. Tap the center one. Bolt or rivet it to the plate with the other two.... Regards, Mike

Heat exchanger girth and nozzle flanges are pretty routinely coated with epoxies of various kinds. Given careful application and proper gasket selection it can work just fine. Regards Mike

Well, I'll take a swing at this. Keep in mind I am not familiar with the latest. I doubt TEMA has anything to say about this weld detail. I think it would be acceptable under Sec VIII, Div 1 subject to UW-13 rules, Fig UW-13.2 It is more common to introduce a short cylinder between the TS and...

It is well known that everyplace is warming faster than every other place. LOL

English Wheel, perhaps

Have you identified parallel within WHAT? What do you NEED?

Christine74, yes, I had forgetten. Part of 2017 Ed, don't know when it was added. Thx

Looks more like a model than a photo of an actual part?

From 2007 Ed A08 Sec II, Part A, SA-105, Scope: "Tubesheets and hollow cylindrical forgings for pressure vessel shells are not included within the scope of this specification." No idea if it has been changed since.

I seem to recall SA-105 was not permitted for tubesheets. Is that correct? Been changed? Regards

SA-182 is used all the time...