I have ASME Section 1 and Section 8 code for relief valves. I don't see anything referring to using rated flow of orifice/ valve size to calculate pressure drop in outlet piping. It essentially says keep it short. I think I have enough information to go forward from here.
Thanks,
BMeeks
Hello,
I'm currently working to verify relief valve sizes and I'm wondering if the 3%/10% suggestion from API for inlet/ outlet piping also is assumed to apply to the relief valves on a boiler. When reading the section 1 code from 2007 (latest I have available) it seems as though that rule...