Contact-cooled (Nirvana) Rotary Screw Compressors

ne Nirvana VSD                                                             nirvana

Variable speed with two-stage air end

n Nirvana VSD


Variable Speed with single-stage air end

ie Premium  

   E F F I C I E N C Y       


Fixed speed with two-stage air end


i   Fixed speed with single-stage air end                                                                                                                                                                                                                                      



i Efficiency for Constant Demand

     Fixed Speed Compressors

Ingersoll Rand R-Series fixed speed compressors are the most reliable and energy-efficient solution for processes with constant demand.

• The compressors can be outfitted for continuous and reliable operation in the harshest conditions, even outdoors in rain and dust, from -23°C (-J00F) up to 55°C (131°F).

• Clean compressor package design with fewer components that need servicing.

e Highest Efficiency Air ends

Premium Efficiency and Performance: Two-Stage Air ends

Ingersoll Rand's premium efficiency compressors deliver reliability through our unique two-stage air ends, renowned for trouble-free operation and low energy consumption.

  • Efficiency and durability through low compression ratio in each stage.
  • Reduced bearing loads.
  • Increased air end life.
  • Minimal maintenance.
  • Coolant curtain reduces energy consumption by injecting atomized oil into the compressed air stream, significantly lowering the energy required for compression.

n Efficiency for Variable Demand

Nirvana Variable Speed Drive (VSD) Compressors

Ingersoll Rand VSD compressors maximize the full potential of variable speed technology.

Only Ingersoll Rand's Nirvana VSD technology with the Hybrid Permanent Magnet

(HPM) motor-the highest efficiency motor available-gives you all this:


  • Unlimited starts/stops.
  • Shuts off rather than run unloaded .Conserving energy.
  • Rated for continuous duty - 100% load, 24/7 .46·C (n5· F) - to reduce downtime and lost production.
  • Stable, constant pressure control.
  • Smooth soft-starting - starting amps always below full load.
  • Virtually no degradation in specific power at partial load.
  • Variable speed blower allows the compressor to run at a constant discharge temperature.
  • Automatic coolant temperature control to eliminate moisture build up.



Single Stage Screw Compressors

variable speed2


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