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  1. Youcef-OilGas

    High electrical Current in Turbo Exapnder

    Thanks again, We have contacted the vendor specialist and waiting for the feedback. We have strainer in suction side of Expander. Regards
  2. Youcef-OilGas

    High electrical Current in Turbo Exapnder

    Thanks georgeverghes, We tried what you proposed by depressurizing it and drying it with Nitrogen, However, still having the same problem. For your information, we are having this unbalancing after reaching the inlet flowrate 300,000Stm3/hr @ the speed of 13000rpm, that means before this, we...
  3. Youcef-OilGas

    High electrical Current in Turbo Exapnder

    Hi, We have just started a new LPG train with AMB Magnetic bearing TurboExpander Technology. However, we noticed that there is a high electrical current in Recompressor side in this new TurboExpander, (Recompressor Side 17 to 20Amps; Turbine side 5 to 8Amps. This means since the current...
  4. Youcef-OilGas

    Golden joint Issue

    Hi All, We have been asked as Client for approval to make 02 Golden Joints (to avoid Hydrotest) on 18'' SS piping THK 48-50mm, in order to fix a misalignement of this line. This line has been already hydrotested (Design pressure 106bar). Can somebody give me a technical point of view, if it's...
  5. Youcef-OilGas

    Natural Gas Specific Heat Data Tables

    Hi What about ASPEN-HYSYS?
  6. Youcef-OilGas

    Max Stored Energy

    Dear HTURKAK Many thanks for your collaboration. And special thank also to Mr LittleInch. Regards,
  7. Youcef-OilGas

    Max Stored Energy

    Hi HTURKAK; Thank you for your valuable information, However I did not get the second point" Follow the decision tree ( Fig. 1 Test Type Selection ) the criteria for max. stored energy alowable 271 MM-J..[/highlight]".Please Clarify, and wherecan I find it? Regards,
  8. Youcef-OilGas

    Max Stored Energy

    Dear All, Please could someone tell me , What is the max Energy Stored in Pipe volume (Calculated in ASME PCC-2–2008) that does not let us perform Pneumatic test of new piping. Knowing that we are converting some Test packs from Hydrotest to Pneumatic Test. Regards,
  9. Youcef-OilGas

    Piping downstream Expander goes upward to 15m from Expander centerline

    Thanks sshep, your explanation seems to be covering our case. However, is there any software can give answer to our phenomenon. Regards,
  10. Youcef-OilGas

    Piping downstream Expander goes upward to 15m from Expander centerline

    Thanks Mr Latexman for your technical reply that I do actually appreciate them very well. for our case, Which of the Flow patterns can be our case in order achieve this flow without problem. Regards,
  11. Youcef-OilGas

    Piping downstream Expander goes upward to 15m from Expander centerline

    Dear All, Thanks to All, I think the difference of pressure is not a good explanation, since from the outlet of Expander up to Vessel inlet the differential pressure is so low. However, Can you Mr Latexman be clearer by characterization of the Flow, to understand this matter. Regards,
  12. Youcef-OilGas

    Piping downstream Expander goes upward to 15m from Expander centerline

    Dear all, In our LPG plant, Process Gas at 95bars , 12°C @ inlet of Expander will have -41°C , 22bars @ the Oultlet of Expander and becoming Mixture Liq & Gas. However; this mixture goes through piping routed upward vertically to 15m from Expander centerline to the Vessel. In other hand...

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