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Anonymous Poster

R Stamp Conditions

07/13/2009 5:32 AM

dear all

I am going to repair some vessels (LPG Storage tanks) and gert them R Stamped. these Vessels were prepared in 1966 according to DIN Standards and are not U Stamped. I came to know that a vessels cannot be R stamped if it is not previously U Stamped. Is it true? If yes, What may be the next option to get them r Stamped?
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#1

Re: R Stamp Conditions

07/14/2009 9:44 PM

Dear Guest..

Please check the following link http://www.nationalboard.org/Index.aspx?pageID=115&ID=160

I hope you could find the explanation in there.

Good luck.. Sorry i can't help you more.

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#2
In reply to #1

Re: R Stamp Conditions

07/14/2009 11:03 PM

One more thing..

According to http://www.sperkoengineering.com/html/Steps%20for%20R%20or%20Code%20Stamp.pdf

It stated (number 1) "The National Board "R" stamp is required in some states to make repairs or alterations to EXISTING ASME "code stamped" pressure vessels".

Good luck!

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