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Using this calculation method, standard flanges are used for the equipment flanges; however, since \"10. When there is a partition plate in the heat exchanger tube box, the design load of the flange bolts takes into account the reaction force from the partition plate gasket\", the calculation fails, and it is necessary to increase the cross-sectional area of the bolts in order to make the calculation successful. Does that mean the standard flange here should be calculated as a non-standard one?
It needs to be calculated; 151 already has the relevant details (these details have been used in TEMA and ASME previously), so standard flanges should be used for the calculations and the relevant dimensions adjusted accordingly
Is there already relevant content for 151? Could you indicate which chapter of GB151 it is?
Page 49, 7.1.2 Symbols, Definition of W
You really pay close attention to standards; your skill level is outstanding!
Unfortunately, this W is in the chapter on flat covers; if it were in the chapter on tube box flanges, there would be no problem at all. However, the flange calculations in SW6 require the input of partition diaphragms, which is really confusing.
Unfortunately, this W is in the chapter on flat covers; if it were in the chapter on tube box flanges, there would be no problem at all. However, the flange calculations in SW6 require the input of partition diaphragms, which is really confusing.