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  1. geodesia

    NACE Requirement for piping material

    Hello everybody. I would appreciate anybody could help me with this issue. We are working in the construction of a plant, and nowadays we are trying to find piping material urgently, because we are finalizing and we have some lack of material piping CS to finalize. Material has to be according...
  2. geodesia

    Re-examination piping welds- ASME B31.3

    Hello all, I have a question regarding piping re-examination, I would appreciate anybody could help me! WE are installing piping CS in a plant, in compliance with ASME B31.3. It was required 100% RT/UT, and piping were inspected by RX. Unfortunately, there are some of them which were found with...
  3. geodesia

    Nozzle loads in square connections

    Hi all I am trying to find out how to solve a proble, I am facing now: I have a square connection welded to a pressure vessel (Calcualted with ASME VIII Div.1) with several nozzle loads For nozzle loads issue, I am used to work with WRC107,because normally we work with round connections...but...
  4. geodesia

    ASME Code and hub definition

    I will please appreciate if somebody tell me where the ASME COde defines "hub" or gives minimum general requirements so that a hub is defined
  5. geodesia

    Fig UW-13.3 (b)- Butt weld with hub

    I have a discussion with a manufacturer and my colleagues regarding the detail UW-13.3 (b)for butt wled connections: Can the edge of the bevel of that weld be closer than "e" to the outer flat face? And as I think that maybe is not too clear the question....I will try to explain in another...
  6. geodesia

    Hub definition

    Hi all, I was having a look to the Code, trying to solve aproblem with a butt weld, and I have been searching for the definiton of hub...and didnt find anything in ASME VIII Div.1! Can anybody tell me if ASME Codedefines "hub" or give minimum dimension/requirements so that a "hub" is a "hub"?
  7. geodesia

    Radiation material properties- absortancy

    Hi all, I am performing some calcualtions to consider solar radiation in temperature for an structure, and I would need the values for absortancy for that. For (landa) aprox. 0.5 micrometers (solar radiation) and (landa) aprox 10 micrometers (low temperature) The structure will be plain carbon...
  8. geodesia

    How radiation affects to structure design temperature

    If we have an structure exposed to radiation from a flare, how can we consider it for design temperature purpose and in order to install expansion joints, etc...? The problem we are facing now is a structure installed nearby a flare, where it is indicated a radition intensity equal to 15,8 Kw/...
  9. geodesia

    Air line pressure drop

    I am not a process engineer, and I have right now a quite basic problem I need to solve, therefore your help would be appreciated I have to calculate the pressure drop of a air tubing, that goes from a reservoir to a horn. Line is 1/2" SStubing 0.035" Length: 50 ft straight+ 5 x 90º bends Air...
  10. geodesia

    Aircoolers Certification-Russian Federation

    I work in an engineering company and at this moment we are developing aproject fro a refinery in Russia Federation. I have been informed that aircoolers shop run-in test is mandatory in order to obtain the certification to introduce the equipment in Russian Federation. I find this requirement...

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