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  • Users: JSPCGY
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  1. JSPCGY

    Hydrotest

    Dear All We are in the process of hydrotesting piping system. Piping is already installed with pump in it. Do we absolutely need to isolate the pump ? Can you not leave the pump inside the piping loop ? Under what conditions, this can be done ? what are the pros and cons of each ? Thanks
  2. JSPCGY

    API 650 Section I.7.1

    Dear Experts What is your interpretation of this paragrpah? Assuming that all other requirements of this para are met, Can a API 650 tank with a design temperature of 100C be supported on grillage ? Thanks for your reply in advance.
  3. JSPCGY

    Flanges

    Dear Experts What is a TEMA flange and how it is different from a standard ASME B16.5/16.47 flange. Thanks in advance for your anticipated reply.
  4. JSPCGY

    Imperial vs Metric Pipe etc

    Dear Experts, Is there any difference between imperial vs metric pipe, Are they 100% exactly the same and fully interchangeable ? Does Metric pipe actually exist ? e.g. for A106-B if I order DN 150 x 10.97mm WT Pipe, will I get NPS 6 x Sch 80 pipe ? Our normal practice is to use SI units for...
  5. JSPCGY

    Tank

    Dear Friends, What is the difference between a sketch plate vs annular plate. Thanks in advance.
  6. JSPCGY

    650

    It is determined that a storage tank designed per API 650 requires anchors. Looking at Appendix B of 650, We can use concrete ring wall or concrete slab. My civil engineer wants to save cost of concrete. He is proposing that we should simply use earth anchors made by Manta Ray...
  7. JSPCGY

    650 Tank

    Dear Friends, Contractor has hydrotested a storage tank built to API 650. It is noticed that some tank settlement has taken place at the edges and at different points in the bottom floor. What are the acceptable limits for different types of tank settlements and please advise which code /...
  8. JSPCGY

    Scope of International Building Code (IBC)

    Hi All, 1. Is IBC applicable to america only 2. Is IBC applicable internationally e.g. Libya 3. Is IBC applicable to Canada 4. How does ASCE 7 relate to IBC Please advise Thanks for your anticipated reply.
  9. JSPCGY

    NPSH

    Dear All, We are installing a vertical turbine fire pump as NFPA 20 and we are providing the required submergence as required by NFPA 20. We know that NPSH is an important consideration in pump selection. I did not provide vendor NPSHa and neither I asked vendor about NPSHr. I was told that...
  10. JSPCGY

    UG-125(g)(1) "External"

    Please explain the meaning of Word " the source of pressure is external" Please provide examples. Thank you for your help.

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