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  1. 32c4

    gas turbine starting

    I want to know if this louvers infuence or disturbe the air suction of the axial compressor of turbine. they were changed by others not identical in dimensions.(extrnal sizing the same but internal elements are different) these louvers are situated in air chamber of turbine
  2. 32c4

    gas turbine starting

    we have a problem with starting a gas turbine all is ready but at 4200tr/mn we have a shut down the only think that we have changed is the dust louver but with not the right one in dimensions so I ask if this change influence on the machine and exactely at axial compressor of the turbine? the...
  3. 32c4

    NOISE IN PIPING OF CENTRIFUGAL COMPRESSOR COOPER AT THE 2ND STAGE

    Hi, After dismantling the butterfly valve (control Valve Model:Valdisk BX flowserve) we found the spiral wound with SS outer inner ring damage ,deterioration of the gasket it was the main cause of the problem the choice of the gasket was not right 12" Instead of 14", so the inner ring was not...
  4. 32c4

    NOISE IN PIPING OF CENTRIFUGAL COMPRESSOR COOPER AT THE 2ND STAGE

    Yes it is a internal pipe filter (conic with mesh ) the filter is not yet open and also the control valve not yet inspected or dismantel only the control valve internal accessories witch are on contact direct with inlet compressor control valve in the inlet is for regulating the fuction...
  5. 32c4

    NOISE IN PIPING OF CENTRIFUGAL COMPRESSOR COOPER AT THE 2ND STAGE

    Hi pressure drop 0.23 bar control Valve Model:Valdisk BX flowserve type filter :conical with internal mesh but it is situated before the control valve
  6. 32c4

    NOISE IN PIPING OF CENTRIFUGAL COMPRESSOR COOPER AT THE 2ND STAGE

    DEBRIS OF METAL https://files.engineering.com/getfile.aspx?folder=fd8bb43f-5f7d-4166-9b0e-ed541de57cf9&file=Débris.jpg
  7. 32c4

    NOISE IN PIPING OF CENTRIFUGAL COMPRESSOR COOPER AT THE 2ND STAGE

    WE FOUND SERIOUS DAMAGE ON THE FIRST STAGE IMPELLER ( photos attached) with a metallic debris in suction line or piping of the compressor. the question from where they come this fragments of metal? before entring the gas compressor we have filter and then flow control valve (Valdisk BX...
  8. 32c4

    NOISE IN PIPING OF CENTRIFUGAL COMPRESSOR COOPER AT THE 2ND STAGE

    EXCUSE ME BP IS LOW PRESSURE SUCTION L.P (BP IS IN FRENCH BASE PRESSION) this compressor will compress the propane that is boiled off from a large storage tank of refrigerared liquid propane gas. the problem when we start the COMPRESSOR we have a noissy sound at the medium stage piping with a...
  9. 32c4

    NOISE IN PIPING OF CENTRIFUGAL COMPRESSOR COOPER AT THE 2ND STAGE

    WE HEAR A NOISE IN THE M.P STAGE PIPING SPECIALLY WITH VIBRATION AT THE COMMON SHAFT OF B.P AND M.P WITH SENSOR ON LIGNE ,but Nothing with off ligne vibration what is the phenomena ?
  10. 32c4

    what is the impact or influance of

    Sorry,I will explain for more informations please try to understand me BECAUSE OF MY ENGLISH this motor was in overhaull inspection (mechaniccally and electrically) all tincks were inspected ,but the only thinh the fan was broken and replaced by another oversized because we haven't the...
  11. 32c4

    what is the impact or influance of

    what is the impact or influance of changing the cooling fan on non -drive end shaft of an vertical electric motor of 225 kw power with another which is not the same and it make noise?
  12. 32c4

    new motor getting overheating

    Hi What I understand ,I think the problem reside in many points that you have to verify. - quality & ORIGINALTY of the bearing. - seals shaft contact . - grease quantity and type and if it is not mixed. - type of cooling fan of the motor - alignement
  13. 32c4

    vibration

    Hi our's help has been greatly appreciated.I will tell you if there's news after assembly the pump and test . see you greetings
  14. 32c4

    vibration

    Hi excuse me from the instruction manual of the pumpwe have The set point for the maximum deviation is of 0.03mm per meter length of the shaft. And I have 0.08mm for one meter and half the length of shaftpump. after disassembling the pump ,we noted that also bushings are out off tolerance and...
  15. 32c4

    vibration

    Hi friend's it's exactly one half running speed. added information pumped liquid: propane discharge head :114m quantity:292.8m3/h speed:2950rpm pump type:16WUC-3+ind.flowserve. If I REDUCE THE SHAFT DEFLECTION , BECAUSE THE RUN OUT IS ABOUT 8/100 OF ONE METER AND HALF AND THE RECOMMANDED IS...
  16. 32c4

    vibration

    Hi Johnny I believe it is a very complex subject above my head and you have suggested that you could provides references for particular bushing design . yes,Iam interesting can you explain me more Thank you for sharing your knowledge .
  17. 32c4

    vibration

    First, I tell you that the motor alone without pump doesn’t vibrate, but coupled will vibrate, In none drive side or end of the motor only, at 1/2 rotation frequency (25Hz) we have a peak of 9mm/s, on the spectrum. The other side of the motor (DRIVE END) nothing and also on the pump bearing...
  18. 32c4

    vibration

    I need documentation or help for a problem of vibration.first a will explain to you that I have this problem in a vertical pump driven by a motor at speed of 3000rpm and power 75KW ,motor with 2 bearings upper and lower and pump bearing with 2 shaft assembled together. the problem happens at...
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