Originally Posted By: Darren_Yin
Not to be presumptuous, I would think that before embarking upon external sources for answers, it is prudent to acknowledge first what the B31 Piping Codes have to say about it.


I second your thoughts.

Just to be clear: what is in my paper is not my method.
It is 2007 ASME VIII Div2 method, re-written.
If calculated correct, the p+p1 total pressure shall produce exactly the same stress and exactly the same J factor and exactly the same flange rotation angle as ASME VIII Div2 predicts for p and Me and Fa loads.
Because a pressure equivalent method is just an equivalent calculus.
My contribution in adding/ neglecting/ changing factors or the basic formulas, etc is ZERO.

In the paper, the pressure equivalent limits are not my limits, are the 2007 ASME VIII Div2 limits.
So I think the real issue is:
- to accept or not the 2007 ASME VIII Div2 method when evaluating the flanges under a B31 Code
- to accept or not the 2007 ASME VIII Div2 limits as applicable also for piping flanges.
What do you think?

My best regards.