Hello:
I am working for a Mexican Company that is a new U code stamp holder.
One of our clients - from Belgium - Ordered us a U stamped 48" O.D. Pressure Vessel ( 40 psig and full vacuum) for corrosive service (1/16" C.A.) for a vegetable oil process plant.
Their drawings do not indicate any...
If you are Using standar flanges you don´t need to calculate the required bolt area, you must use the corresponding diameter and number of bolts, you can´t install other bolt number or diameter than required. It is possible that if you do ASME calculations on standard flanges the stress results...