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  1. Julio8287

    Pipeline Availability Calculation.

    Please, if you have some information about availability calculation for Pipeline Gas Transportation or other factors like reability. Thks in advance.
  2. Julio8287

    ISO 6976 calculator

    Dear All I'm looking for HHV and Density Caculator complying ISO6976. Is ISO6976 equivalent to AGA8? Thanks in advance
  3. Julio8287

    PT downstream position

    Friends: Natural Gas Pipeline has two branches in service in the Pressure Control Station, downstream both have "T" to joint both flows, in this pipeline configuration, what is the minimun distance recommendation to install a Gas Pressure Tubing for a Pressure Transmitter?. Thanks in advance.
  4. Julio8287

    New gas pipeline pressure alarm setting

    David & Binginch Thanks for their answers. Regards Julio
  5. Julio8287

    New gas pipeline pressure alarm setting

    Hi everybody: 34", 408 km, natural gas pipeline, with min. MAOP design and min MAOP hydrotest as data, I would like to know which is the best way to setting my scada alarms for high, high high, low and low low pressure?. Thanks in advance.
  6. Julio8287

    NG pipeline packing calculation improve

    Biginch, yes, I want to know your density calculation, I hope that you can help me to solve this issue. Thanks in advance.
  7. Julio8287

    NG pipeline packing calculation improve

    Hi Folks: David, I assumed 100% of Methane density, I have the compossition now and I've found this for Z-Factor Calculation: http://www.mechengcalculations.com/jmm/pipe015_process.jsp How is your Density Calculation? Biginch, the diference is 2.5% without segments, I would like to know...
  8. Julio8287

    NG pipeline packing calculation improve

    Hi Everybody: I would like to know about Linepack calculation, In 408 km natural gas pipeline 34 inches in diameter, there are stations every 30 Km with PT's and TT's, I did the calculation in segments, I would like to improve this standar volume calculation adding gas composition. Thanks in...
  9. Julio8287

    Pipeline ESD

    Thanks to everybody: BigInch, "put in the Scada system", I'm talking about shutdown initiator from control room, they will be programmed like push buttons in the control system, are there some rules to put this ESD in different places? Bye There
  10. Julio8287

    Pipeline ESD

    Hi There I'm in a SCADA commissiong for a gas pipeline (408 km), Emergency Shut Down from Control Room is being set up: 1.- One for metering station, ESD closes all MS valves. 2.- One for Pressure control station, ESD closes all PCS valves. 3.- One for Plant Facility Receiver, ESD closes all...
  11. Julio8287

    Gas turbine compressor washing

    GTstartup, I would like to know where could I get an example of that calculation?, as you know ambient temperature and others have more influence than washing the compresor in MW.
  12. Julio8287

    Gas turbine compressor washing

    What is the best way to evaluate the compressor on line washing? thanks in advance!
  13. Julio8287

    Real over speed test

    Steam turbines with centrifugal overspeed device need to be tested at real overspeed (10% of nominal speed), I've worked with 33, 66 and 135 MW steam turbines. As a back-up, is necessary to test a push button trip, after that one operator is checking the speed ready to trip the turbine with that...

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