hi,
I need to perform leakage check for a pipe line according to Kellogg Peq method.
This pipe line has two thermal conditions:
- T1 Design Operating Temperature (300 C) @5bar
- T2 Short-Time Operating Temperature (400 C) @5bar

The ASME code suggests: P+P(eq) < 1,0*P(rating)
Anyway, we have accepted P+P(eq) < 1,4*P(rating), after client's request.

Now, I face problem with leakage check in T2 short-time cond.
What is the normal approach and practice for the leakage check in short time conditions?
Is there any reference in ASME Code for short time cond. ?

thanks
steves