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Instead of design temperature, I will term MDMT - Minimum Design Metal Temperature. UCS-66 deals with Carbon steel materials only. IF rated MDMT is higher than design MDMT, then you have to perform impact test of that material in conjuction with UG-84. First of all, you need to find out what...

While reviewing saddle calculation generated in PV-Elite, it is found that allowable stress in case of circumferential stresses at horn of saddle is 1.25 times of shell allowable. But same allowable in Codeware COMPRESS is in multiple of 1.5 to shell allowable. Can somebody please inform if they...

MAWP should always be equal to or greater than design pressure. When you asked to provide MAWP calculation, vendor mentioned that MAWP = Design Pressure, which is fine. As long as vendor mentions which component restricts MAWP, I don't find any reason for insisting on its calculation.

Try to use Goak Seek function in excel to reach at conclusion

I will perform NDE first on cone-shell junction and then weld stiffening ring. For stiffing ring to shell weld joint, onlt MT/PT will be sufficient.

If someone does design considering expansion ratio per UHX, it gives lesser tubesheet thickness than zero expansion ratio (strength welded joint without expansion. This was for just information and I disn't understand fully the question...Sorry!!!

darrenyee88: Which software are you using for equipment design? What I understand is that initially MAWP was limited equal to design pressure and nozzle was designed for MAWP. Now, you have calculated the MAWP and by default, software is calculating nozzle parameters for MAWP considering it...

This all depends upon which wind code are you following...

Can you please inform nozzle size, design conditions, insert plate dimensions, shell dimensions etc. for more clarity?

Hey guys lets clarify poor satheesh787's doubts. Enough GYAN has been given. I have not used PV-Elite since long time but there is standard practice for considering 0% seismic load while hydrotesting of equipments. Normally we consider 25% or 33% wind loads or as per client specification while...

There is no restriction as per Code but for good industry practice I will avoid RF pad over insert plate. What is the reason for this arrangement? Is insert plate thickness exceeding vertical reinforcement limit?