Thanks so far
For using ASME valves as API valves the condition is:
(A * Kd)_API_rated < (A*Kd)_ASME_certified = (0.9*A*Kd)_ASME_actual
I have seen examples where the ASME actual is not only 10 %, but 15% higher than API.
What are the implications on the pressure drop? Well, pressure drop is...
Hi,
I am having an issue trying to follow the API standards. We are getting different opinions on whether the piping for a API 526 valve designed according to API 520 should be calculated for the "certified capacity" or if it should be calculated for the "certified capacity" divided by 0.9...