Does anybody know what is the basis for limiting the distance between a head tangent line and the center of a saddle to a maximum of 20% of a vessels length? I have read through Zicks paper, Bednar, Megyesy, Harvey and (I think) all likely threads here, and can find no specific engineering basis...
What are the requirements for corrosion allowance in ASME Section VIII, Division 1 air receivers? Non-mandatory Appendix E requires it to be considered by the designer. The codebook index refers to UCS-25 which has been deleted from the codebooks for sometime.
The question was raised when...