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  1. lahcen

    Cover leakage of centrifugal compressor

    Thanks georgeverghese, I'll check with the supplier.
  2. lahcen

    Cover leakage of centrifugal compressor

    Thanks georgeverghese, our buffer gas is fuel gas and it is dry. our DGS with two vents: a primary vent to flare and a secondary vent with another line ( not these lines from casing) to atmosphere, and with two injections: fuel gas and Nitrogen. and we have an indicator if the secondary seal is...
  3. lahcen

    Cover leakage of centrifugal compressor

    Thanks LittleInch, I don't know how much the temperature of the cover, but I want to know what's the meaning of cover leakage (head flange leakage?), if any one is familiar with this pipe or Centrifugal compressor that has these pipe, or any one has a document about this. I read that sometimes...
  4. lahcen

    Cover leakage of centrifugal compressor

    Thanks georgeverghese, I think these pipes are for leakage from the head flange (very hot suction pipe that means the Head flange's O-ring is damaged)? I want to confirm. Because the parameters of the DGS are very good. I want to confirm these pipes from the casing that meet with the primary...
  5. lahcen

    Cover leakage of centrifugal compressor

    Hi guys, A centrifugal compressor (Thermodyn), there are two pipes (see the picture), I want to know the role of this pipes and if the pipe of the suction side is very hot that means there is a problem...
  6. lahcen

    balancing a fan

    Thanks electricpete, I catch the idea
  7. lahcen

    balancing a fan

    Thanks GregLocock.
  8. lahcen

    balancing a fan

    Thanks GregLocock for your answer, But I don't find the same result( 1.5gr at 72° and 1gr at 144°).
  9. lahcen

    balancing a fan

    I want to know the formula to calculate the two masses in position 72° and 144° (they found 1.5gr and 1gr by the calculator) please see the file (page 11) to understand my meaninghttps://files.engineering.com/getfile.aspx?folder=62b87ad2-67aa-4305-af65-fd3965fe8cbf&file=bo0276.pdf
  10. lahcen

    nominal diameter

    Thanks rotw
  11. lahcen

    nominal diameter

    Hi rotw; for BCL 307 (after the Operating manual of the machine, 30 it is the nominal diameter =300mm,but the real diameter of impeller is 370mm) Thanks.
  12. lahcen

    nominal diameter

    Hi guys; I want to know the relation between the real diameter and the nominal diameter of centrifugal compressor; for example for BCL307 (the real diameter of impeller is 370mm but the nominal diameter is 300mm). Thanks.
  13. lahcen

    bearings combination of vertical motor

    thanks flexoprinting, i will check what you propose.
  14. lahcen

    bearings combination of vertical motor

    Thanks electricpete, your reply is very helpfull, but the problem is the over heating of the driving side of the motor. I think the problem is the method of arrangement of spacers between bearings.
  15. lahcen

    bearings combination of vertical motor

    Skogsgurra I forget word "spacer", i mean inner spacer ring(L) and outer spacer ring (k). like the picture.
  16. lahcen

    bearings combination of vertical motor

    ScottyUK; your reply is very helpfull, but there isn't spring,there is inner rings (2KL10A C3). Thanks.
  17. lahcen

    bearings combination of vertical motor

    thanks flexoprinting for your help.
  18. lahcen

    bearings combination of vertical motor

    Hi Mr Flexoprinting; thanks for your help.
  19. lahcen

    bearings combination of vertical motor

    Hi Mr Edison123; I think it is clear, the deference is the arrangement of driving side bearings (7312AT DBD + 2KL10AC3). Thanks.
  20. lahcen

    combination bearings of vertical motor

    Hi; we have in our plant a vertical pump (EBARA) with 10 stages; to pump propane. the driver of this pump is a electric motor (Fuji electric). my question is how to mount driving side bearing (which figure is correct? fig1 or fig2? All information is attached. Thanks...

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