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  1. AlejandroFernandez

    Reinforcement of Welded Branch Connections

    Hi, I have a issue about a reinforcement design, acording to ASME B31.8. And is on point 831.41 General REquirements... specifically on section "e" "The area of reinforcement ...is defined as a rectangle whose length shall extend a distance, d, on each side of the transverse centerline of the...
  2. AlejandroFernandez

    Welding interpass Temperature

    Hello.. I'm doing a WPS and when try to define point QW-406, I got freezed, because I was trying to find some information about how determining interpass temperature when welding low carbon steel pipes (ASTM A106B). I read something in asme Section IX and AWS D1.1 but it is not so clear...
  3. AlejandroFernandez

    O-ring

    I have to make an O-ring, but I'm using a Buna-N cord (widht 1/2 IN). The question is... How can i joint both ends?. I know I need a glue but which one can I use? and what are my options? Thanks Alejandro Fernández I+D&I Sitelca
  4. AlejandroFernandez

    Nominal Wall Thickness for 2'' Sch api 10000 Weldolet

    Hi there... Can anyone know something about sch for api 10000 rating in pipes and olet like weldolet and also the wide dimention for 2 in weldolet (same rating)? I Was looking in MSS SP 97, ASME B16.11, some catalogs, and found noting about it.. Alejandro Fernández I+D&I Sitelca
  5. AlejandroFernandez

    Plug for Hottapping

    Can anybody know the circle diameter & bolt diameter of stopple plug? This is used to attach the plug holder to stopple plug, in order to install it. Flange dimention: 8 & 12 IN I read a lot of catalog, books, patents and talked to many people about it and get no information.. PS: Attached to...

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