Re: [MW:7364] Welding procedure qualification for Hot tap

Hi Eduardo,
I understand that you make a ht, you must perform the calculations as indicated in API RECOMMENDED PRACTICE 2201.
Your wps may be applicable to the type of joint requerimietnos, base material, etc.

To your second question, yes, clear the considerations that you recommended API noted above.

Kind Regards,,
A. Gustavo Mendoza

oct 4, 2010 03:20:12 AM, materials-welding@googlegroups.com wrote:

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Can anybody tell me which are the variables to take in account in order to qualify a WPS for hot tap?, I mean, is it just diameter, thickness, material spec., ?, or do I have to take account temperature, flow, fliud characteristics?
 
Another question is:  Can I use a old WPS for HT used in other projects?


Eduardo Calva


 
   

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