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  • Users: ME1289
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  1. ME1289

    LPG Deepwell Pump Steady Bearing Failure

    Hey guys, Looking to see if anyone has any input on a head scratcher pump problem. Background: We're working on a deepwell LPG cavern pump. The pump itself is basically a 13 stage vertical turbine pump with a 500 ft shaft. We have bronze bushings every 10 ft and the shaft is inside an...
  2. ME1289

    Sundyne LMV-801 intermediate bearing box failures

    Does anyone have experience with a vertical Sundyne LMV-801 with an intermediate bearing box between the motor and the pump? We have a pair of 15 HP pumps that have experienced repeat bearing failures even after factory troubleshooting. Pumps are high suction pressure (~400 PSIG) and typically...
  3. ME1289

    Pump power demand slowly increasing

    Hey guys, I've been having trouble with a pair of Sundyne LMV 311s and I'm running out of troubleshooting ideas. Figured I'd ask around to see if anyone has had similar issues or has any suggestions. Background: The pumps move ambient temperature light hydrocarbons at a low flow (cycles...
  4. ME1289

    GE vertical motor DE bearing issues

    Hey guys, I'm running out of troubleshooting ideas with on a particular GE vertical motor so I figured I'd give the forum a shot. The issue we're having is on a 150HP, 2 pole, 2300V GE vertical motor. This is driving a 9 stage vertical turbine LPG pump. No VFD, just an across the line starter...
  5. ME1289

    Very high sub-synchronous vibration on vertical pump

    Hey Guys, Figured I'd give this forum a shot since this particular problem has us really baffled. We have three 3600 RPM / 200 HP vertical 8 stage pumps pumping out of two LPG spheres. At any time two of the three pumps are running. One pump moves a sphere to the unit and one pump recirculates...

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