Search results for query: *

anubis12. See in ASME VIII div 1. Part UG (Paragraph UG-28). Regards, Luis C.

Probably HTRI helps on it. Regards, Luis C.

Search in ASME Section VIII div 1, paragraphs: UW-38, UW-51. Regards, Luis C.

I am agree with my colleagues berkshire and IRstuff. This is a student question (convection heat transfer).

Normally, these values are tabuled, in fact you can find them in "Heat Transfer" written for A.F Mills. I have taken some values for fouling resistance for reference: Fluid: Fouling resistance (Rf) [W/m2 K]^-1 Fuel oil...

You must to follow rules according ASME Section I, as per: PG-9; PG-11; and specifically PG-59 (PG-59.1.1.2) Regards, Luis C.

Good morning for everyone. We are a shop that fabricates heat exchangers, in fact, we have ASME U certificate. Sometimes we install HE´s also at plants. One of our customers wants to install around 15 HE´s, all of HE´s are U stamped, but are not fabricated for us. The customer wants to do...

Hi, Is the tubesheet integral or gasketed between channel and shell? It seems that tubesheet are exempted by UCS-66.3 (governing thickness). Please, see fig UCS-66.3 (c) Bolted flat head or tubesheet and flange. If tubesheet is "sandwiched" UCS-66.3 applies also. Regards. Luis C.

I am agree with silebilee. AES type exchanger are very common in oil refineries. In spite that at the beginning could be some expensive (floating head, back up ring, shell cover larger than other types) you must be to have present other issue, the maintenance.AES type its maintenance is very...

I am not so sure. But probably its equivalent could be: SA-765-2(Carbon steel forging)according ASME code. Regards.

Thanks a lot guys.

Thanks. Basically question is, does the rafter by itself could be welded? Or Does the rafter be a whole piece?

According API-650, is it permitted to weld a structural member (rafter), for a structurally supported cone roof? I was searching into standard, but it does not say specifically. Thanks in advance.

I suggest you, try with E-Tank is a good software to design storage tanks according API-650. Regards

Normally source service has high concentrations of hydrogen. Hydrogen could be to induce cracks into material structure. My suggestion is that materials for source service shall be with HIC test. See NACE standard 0284. Regards.

Thanks a lot guys!

Totally, I am in agreement with SnTMan, you are to be in compliance with paragraph UW-14. Regards, Luis.

Is it accepted to fabricated a tubesheet from casting, for example: SB-369-96400 instead of plate SB-171-71500? Thanks in advance

From my view point, install a VB into exchanger has not sense. Because inlet of atmospheric air would cause more condensation for steam. Regards

Yes, You are right, a LWN flange could be fabricated from forged bar. For example: Flange Ø2" LWN 300# (Mat.: SA-182-F304) Regards