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vp_007
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Join Date: Apr 2014
Posts: 11

Ellipsoidal Dish Seam

08/14/2014 4:18 AM

We have fabricated the ell. dish with two long seam & same is 100% radiographed.

but as per client spec seam should not be 0.2mm away from the center line.

but in our case seam will cross the boundry by 200mm but not coming on knuckle portion. is there any reference in ASME code book for above subject.
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Pathfinder Tags: Ellipsoidal Dish seam
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vp_007
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Join Date: Apr 2014
Posts: 11
#1

Re: Ellipsoidal Dish seam

08/14/2014 4:36 AM

sorry its 0.2 times of diamter of dish not 0.2mm
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Tornado
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Technical Fields - Technical Writing - New Member Engineering Fields - Piping Design Engineering - New Member

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Location: Richland, WA, USA
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#2

Re: Ellipsoidal Dish seam

08/14/2014 4:41 AM

There is no knuckle on an ellipsoidal head, and how does the seam avoid the least-radius portion and the skirt?

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bigg
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Join Date: Jun 2010
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#3

Re: Ellipsoidal Dish Seam

08/14/2014 1:19 PM

If the client's purchase order included requirement(s) beyond Code as well as Code compliance, you are required to meet those also. If there is a conflict within the PO, you should have resolved it before fabrication. Now you are at the client's mercy.

BTW, if you are producing ASME Code components, surely you have a copy on-hand?
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