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LM2500™ / LM2500+™ / LM2500+G4™

The LM2500™ is a GE industrial gas turbine which derives from the CF6-6 aircraft engine. It has been maintained and repaired by MTU since 1981. Unlike the LM6000™ gas turbine, the LM2500™ is designed with a single-rotor gas turbine and an aero-dynamically coupled power turbine. The LM2500™ consists of a sixteen-stage compressor, a fully annular combustor, a two-stage high-pressure turbine and a high-efficiency power turbine. The LM2500™ gas turbine is the most popular aero-derivative in the 20 to 25 MW class.

The LM2500+™ and the LM2500+G4™ are uprated versions of the basic LM2500™ and offer 30,5 MW and 36,3 MW of power.

Facts

  • Generator at “hot” end
  • Single-shaft gas generator with free power turbine

MTU competencies

  • Manufacture of stage 1 and 2 high-pressure turbine disks
  • Maintenance at MTU Maintenance Berlin-Brandenburg

    Start year MRO: 1981
    Shop visits (2023): > 1,000 
    Workscope: Engine MRO

Applications

  • Power generation
  • Mechanical drive systems / oil and gas extraction
  • Marine propulsion
  • Combined Heat and Power ("Cogen")

Technical Data

 LM2500LM2500+LM2500+G4
Power 

25,06 MW

30,0 MW

36,98 MW

Heat rate LHV 9,465 Btu/kWh8,850 Btu/kWh9,184 Btu/kWh
Exhaust gas mass flow 149 lb/s191 lb/s213 lb/s
Exhaust gas temperature 990 F960 F945 F
 Power turbine speed3,600 rpm3,600 rpm3,600 rpm

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