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  1. macki2009

    Weldolet Questions

    back to the original question When welding a smaller weldolet (WOL) fitting to a larger run pipe for a branch connection, would the weld to the run pipe/header be considered a buttweld or fillet weld? the bonneyforge document says its a full penetration groove weld but B31.3, 328.5.4 welded...
  2. macki2009

    NDT for Hot tap - welding a NPS 6 "O-let" unto a NPS 12 pipeline

    thank you section IX and Weldstan
  3. macki2009

    NDT for Hot tap - welding a NPS 6 "O-let" unto a NPS 12 pipeline

    Dosequis, thank you for your response, much appreciated.
  4. macki2009

    NDT for Hot tap - welding a NPS 6 "O-let" unto a NPS 12 pipeline

    I am preparing to weld a NPS 6 O-let branch unto a NPS 12 mainline. the welding procedure does not specify any details about NDE/NDT, a colleague says we have to use liquid penetrant after each pass, can anyone shed more light on this scenario, please. which is better, magnetic particle testing...
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