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Recent content by Greg1920

  1. Greg1920

    standard pipe wall thicknesses

    B36.10 has pipe sizes in both metric and imperial
  2. Greg1920

    +Where to model the discharge load - at valve or at 1st elbow?

    The answer is both points will experince load. Initially there will be a thrust load in the A direction when the relief valve opens until the pressure in the horizontal pipe equalizes. B (in the direction you state) will be loaded when the fluid first hits the elbow and is turned up. Once...
  3. Greg1920

    API 676 External Loads

    Nevermind I am an idiot. It all works out. I was multiplying 13*8 for 8 inch pipe instead of 13*200
  4. Greg1920

    API 676 External Loads

    I am doing preliminary stress work on some PD pumps which will be purchased at a later date. At this point the vendor is not determined. They will be purchased to API 676. In looking at API 676 there are nozzle loads provided but I can not make any sense out of them. They are as follows...
  5. Greg1920

    Piping design limits

    Flanges and Valves temperature pressure limits generally govern what the design temperature / pressure limits of your piping classes will be. As stated above the temporary increase in pressure or temperature permitted in B31.3 are also allowed for all the fittings/flanges/valves permitted in...
  6. Greg1920

    Expansion Loop Design

    A high pressure steam system is very dangerous. Ensure that all the work you are doing is properly checked by an experienced engineer. Usually your company would have a piping spec which is being used for steam systems. This piping systems would contain the maximum allowable working pressure...
  7. Greg1920

    NACE MR0175/ISO 15156 Low Pressure Exemtion for Crude Oil Storage

    In the scope of NACE MR0175 Table 1 Nace gives an exemption for "Crude Oil Storage and Handling Facilities operating at a total absoltue pressure below .45MPa (65 psi) I am working on a SAGD facility which consits of Oil Treating, Water Treatment and Storage. The vapour lines / Blanket Gas...
  8. Greg1920

    Global warming: the Skeptical Environmentalist

    I will definitely take a look at this book. Another interesting and well sourced book on the subject is "Heat" by George Monibot. It has an excellent chapter on the debate on whether or not Global Warming is happening and a very detailed solution to the problem. Although he proposes that we...

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