I am currently working on a project to replace a NET type heat exchanger. Why is pressure thrust from the expansion joint not considered when designing the floating head, tubesheet, or tubes?
How is a radial vent hole accounted for when trying to determine t_m in accordance with B31.3 304.5.3?
https://files.engineering.com/getfile.aspx?folder=7106dbe5-fb84-49a7-ba1d-0689e0f02b32&file=Vent.PNG
When calculating the weight of the roof for an API 650 tank, are nozzles and flanges on the roof also added? The scope specifically say "roof plates" which makes me assume not. If not, what about the weight for Annex F?
This might be an elementary question but I'm new to the industrial and would like some help understanding UG-45.
I'm having trouble understanding why when determining what t_b why you pick the min(tb3,max(tb1,tb2)?
If you calculate tb1 or tb2 to be greater than the values listed in the tables...