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ob-round dished cover with bolting flange. How to calculate?

ob-round dished cover with bolting flange. How to calculate?

ob-round dished cover with bolting flange. How to calculate?

(OP)
Dear all,

I would really appreciate a help on the following matter.

I have to calculate (ASME code) an ob-round dished cover with bolting flange.
Please see attached drawing.

The thing is that I think this type of cover inst listed on ASME VIII Div.I

Any help?

Is it acceptable if i calculate this cover by FEA?

Thank you in advance!

RE: ob-round dished cover with bolting flange. How to calculate?

UserAK, as no explicit rules exist under Sec VIII, Div 1, the design would fall under U-2(g).

U-2(g) may be satisfied by any means that can be shown to be applicable to pressure vessels and produce designs that are generally as safe as those produced by Sec VIII, Div 1 rules.

FEA is perhaps one way, modifying existing Code rules is another, as is some other suitable design method.

Question is, what are you comfortable with, what is your client (if any) comfortable with, what is your AI comfortable with?

Regards,

MIke

RE: ob-round dished cover with bolting flange. How to calculate?

(OP)
Dear SnTMan,

Thank you very much for your prompt reply. I would discuss it more with our AI.
One dumb question ... where is the U-2(g)? I cant find it in the code Sec VIII, div.1.

Regards,

Alex.

RE: ob-round dished cover with bolting flange. How to calculate?

Start at the front :)

RE: ob-round dished cover with bolting flange. How to calculate?

(OP)
Thank you SnTMan,

I found it in a sec.
I was sure that was a dump question.

Regards,

Alex.

RE: ob-round dished cover with bolting flange. How to calculate?

Not dumb, merely uninformed/ignorant. And you were smart enough to come to this blog to correct that condition. We all have had to learn this stuff, and it's so much easier when I can ask this many folks with one post!

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