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  • Users: Kaadm
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  1. Kaadm

    Overload on starter motor of GE MS 5001 (Turbine Generator).

    During the machine starting phase, The IGVs were in the required position and bleed valves of the axial compressors were fully open. The overload occurred at 6% of the required speed. The logic not executing different sequence except when the temperatures achieve the alarm or trip conditions and...
  2. Kaadm

    Overload on starter motor of GE MS 5001 (Turbine Generator).

    Gents, What are the causes of having overload on starter motor (driven a torque convertor voith turbo E 6 WAT) of GE MS 5001 turbine model when the machine is hot. Please note that this happen only when the turbine wheel space is hot, however the overload on the starter motor doesn't occur when...
  3. Kaadm

    Importance of using Nitrogen in Sundyne compressor seal.

    Hi Gents, I would like firstly to introduce you to one system we have in our plant. A sundyne compressor LMC-343 (in line single stage compressor driven by 5.5Kv motor) is used for regeneration. It is equipped with a tandem dry gas seal (API Plan 52) which is splitted to process...
  4. Kaadm

    MS 5002/5001D Turbine Journal Bearings charachteristics.

    Hello everyone, May you please advise on where ca I find the Thermal/Chemical/Physical charachteristics of the MS 5002/5001D Journal bearings. Please note that it was not found on the vendor manual. Thank you in advance. Adem
  5. Kaadm

    Centrifugal Compressor Effeciency Calculation.

    Hello everyone, Is there any guidelines concerning the effeciency calculations of a centrifugal compressor which is in service connected to real process system. Thank you.
  6. Kaadm

    Bearing Failure Causes.

    Thank you for your cooperation.
  7. Kaadm

    Bearing Failure Causes.

    Hello, I would inform you that the bearing bolts were equipped with hollow dowels but not shown on the attached picture above. Thanks
  8. Kaadm

    Bearing Failure Causes.

    Gents, Attached are a photo of a self lubricated journal bearing installed on the drive end of a centrifugal pump driven by 5.5kv motor. The bearing failed after being heated up then the temeprature transmitter sent a high temperature alarm(setting alarm: 85 C). I would be grateful if you...
  9. Kaadm

    Centrifugal Pumps Switchover Guideline. (service to stand-by).

    I appreciate your help Gents. I would say that the switchover frequency is mostly based on the scheduled preventive maintenance (PMs) such as oil change where the pump need to be out of service, However I believe that the frequency is certainly relative to the pumps performance.Also it is...
  10. Kaadm

    Centrifugal Pumps Switchover Guideline. (service to stand-by).

    Hello, I wonder what are the guidelines that specify the switchover frequency for a Service/Stand-by centrifugal pumps. Many thanks, Adem
  11. Kaadm

    Gas Turbine Generator Starting System.

    It's MS 5001D type one shaft. Please note that this valves were never adjusted in the other turbines. Thank you.
  12. Kaadm

    Gas Turbine Generator Starting System.

    Hello everyone, One of our gas turbines generator need the adjustement of an orifice manual valve (istalled at the bottom of solenoid valve in the torque convertor oil circuit), however, this valve is never adjusted on the other turbines. The opening/closing of the solenoid valves is...
  13. Kaadm

    Diaphragm Failure.

    The operating temperature is 30°C and the diaphragm is designed to overcome it.
  14. Kaadm

    Throttle Position Sensor.

    Gents, Hoa does a throttle position sensor work within the carburetor?. Thank you
  15. Kaadm

    Diaphragm Failure.

    Micalbrch, It's okay if something elese were damaged after identifying the cause. The most common probleme we're facing on this type of pumps is the diaphragm being perforated after 6months aprox and sometimes less, at the start up of the pump..etc In the past we had another type of pumps...
  16. Kaadm

    Diaphragm Failure.

    Pumpsonly & Compositepro, Thanks for your reply. I would tell you that the failure occur aprox each 6 months for each pump. I will check the adjustement of the valves within the hydraulich chamber. What would you think Gents if I will check the torque value(should be 220N.m) for the cover...
  17. Kaadm

    Gear Oil For Corrosion Inhibitor Pump Mechanism.

    Many thanks for your cooperation Terry. I also contacted the manufacturer and he disagreed the oil substitution. Our planners team had already established a purchase request for the suitable oil and hope everything will be okay with our pumps [thumbsup2] . Thanks to everyone.
  18. Kaadm

    Diaphragm Failure.

    Also the pumphead drawing is attached here. Thank you.http://files.engineering.com/getfile.aspx?folder=16a23b85-c68f-4d76-a322-1df7e3883eda&file=nadir2013144.pdf
  19. Kaadm

    Diaphragm Failure.

    Sorry here is the technical data. Regards.http://files.engineering.com/getfile.aspx?folder=f43ab4a4-8728-4238-b952-4afb7d1a53c1&file=Technical_Data..pdf
  20. Kaadm

    Diaphragm Failure.

    Hello Micalbrch, Thank you for your cooperation. PLease find the attached docs the technical data the drawing of the pump head + photos. Many thanks.http://files.engineering.com/getfile.aspx?folder=1e3faed3-22d2-4501-8390-79032cc2e04f&file=BRUN_LUEBBE_PUMP_FAILURE_REPORT.pdf

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