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37-225 kW Premium Efficiency Nirvana
Single & Two Stage Rotary Screw Compressor

True Variable Speed Drive, Contact-Cooled Rotary Screw Compressors

Nirvana TM

A true variable speed drive compressor available in single and two-stage

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By matching a standard variable speed inverter with a HYBRID PERMANENT MAGNET® motor, Ingersoll Rand is first-to-market with a true variable speed drive compressor.

In both single and two-stage, the Nirvana compressor has fewer rotating parts than any other air compressor in its class.

And the Hybrid Permanent Magnet motor driving the Nirvana compressor raises the standard on compressor reliability to an unequaled level. There are no motor bearings in the HPM® motor.

And since the HPM motor directly drives the compressor, there are no gears, pulleys, belts, couplings or motor shaft seals to wear out, leak or need replacing. And there is nothing to get out of alignment.

Coupled with Ingersoll Rand's time-proven, reliable airend, Nirvana is as low-maintenance as an air compressor can get.

  • Integral design, fewer parts and fewer connections help eliminate trouble spots, leaks and failures
  • Time-proven quality airend and inverter.
  • Maximum efficiency at virtually any load

Nirvana compressors deliver constant pressure and maximum efficiency at any capacity.

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The nirvana motor turns off when no demand and automatically turns on when air pressure decays

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Nirvana's integral, single-point connection between airend and separator is virtually leak-free.

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Virtual Transmission

  • No Belts
  • No Coupling.
  • No Gears
  • No Alignment
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Unmatched Uptime - HPM ensure maximum uptime & reduces plant shutdowns.

50 Hz Nirvana 37-160 kW Single Stage Performance
Model Pressure Range bar g Nominal Power kw Capacity m3/ min Range (FAD) cfm Dimensions mm Weight kg
IRN37K-CC 4.5-10 37 1.78-6.62 63-234 1345/1579/1770 1048
IRN45K-CC 4.5-10 45 1.75-7.42 62-262 1345/1579/1770 1048
IRN45K-CC 4.5-10 55 3.65-10.53 129-372 1345/1800/1955 1530
IRN45K-CC 4.5-10 75 3.62-13.56 128-479 1345/1800/1955 1530
Model Pressure Range bar g Nominal Power kw Capacity m3/ min Range (FAD) cfm Dimensions mm Weight kg
R90n 4.5-10 90 8.47-17.95 299-634 2703/1466/2032 2060
R110n 4.5-10 110 8.47-21.66 299-765 2703/1466/2032 2060
R132n 4.5-10 132 8.55-24.4 302-863 2855/1836/2032 2363
R160n 4.5-10 160 8.66-28.9 306-1020 2855/1836/2032 2363
50 Hz Nirvana 75-225 kW 2 - Stage Performance
Model Pressure Range bar g Nominal Power kw Capacity m3/ min Range (FAD) cfm Dimensions mm Weight kg
IRN75K-2S 4.5-10 75 9.51-15.85 336-560 2554/1830/2439 3497
IRN190K-2S 4.5-10 190 18.29-39.07 646-1380 3757/1927/2145 5933
IRN225K-2S 4.5-10 225 18.74-46.00 662-1625 3757/1927/2145 5933
Model Pressure Range bar g Nominal Power kw Capacity m3/ min Range (FAD) cfm Dimensions mm Weight kg
R90ne 4.5-10 90 8.86-18.70 313-661 2855/1836/2032 2495
R110ne 4.5-10 110 8.86-23.00 313-811 2855/1836/2032 2495
R132ne 4.5-10 132 9.80-27.20 346-962 2855/1836/2032 2495
R160ne 4.5-10 160 9.29-32.10 328-1132 2855/1836/2032 2495

Oil Free Compressor
The Freedom Of Oil-Free

One of the keys to ensuring you achieve and maintain acceptable air quality for your critical application is to know industry air quality standards and their allowable levels of contaminants. The lower the particular class rating, the purer the air should be.

Quality Class Solids Water Oil & Oil Vapor
Max Number of Particles Per m3 Pressure Dew Point  
0.1-0.5 micron 0.5-1 micron 1-5 micron °F °C mg/m3
0 As specified by the end-user or manufacturer, and more stringent than Class 1
1 20,000 400 10 -100 -70 0.01
2 400,000 6000 100 -40 -40 0.1
3 - 90,000 1,000 -4 -20 1
4 - - 10,000 37.4 3 5
5 - - 100,000 44.6 7 -
6 - - - 50 10 -

Two-stage Oil-free

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Rotary Screw Air Compressor

The reliable workhorse. Since its introduction in 1993, the Ingersoll Rand oil free rotary screw compressor has earned a reputation for being a highly reliable supplier of pure air. Its rugged design sets the standard for efficiency and durability. With an Ingersoll Rand oil-free rotary screw compressor in your operation, you benefit from knowing you can run 24-hours a day, seven days a week with virtually no downtime.

50 Hz (37 - 300 kW)
Nominal kW Model SL FAD (m3/min) at 7 bar g Model SL FAD (m3/min) at 8.6 bar g Model SL FAD (m3/min) at 10.3 bar gWidth mm Length mmHeight mmWeight kg
37 6 5.1 N/A 13722248 19142387 / 2410*
45 7.6 6.5 N/A 1372 2248 1914 2497 / 2520*
55 9.6 8.6 7.7 13722248 1914 2577 / 2600*
75 12.5 11.6 10.7* 13722248 1914 2682 / 2705*
90 15.9 13.6 13 1588 2692 2362 / 1841* 3270 / 3245*
110 19.4 18 15.3 15882692 2362 / 1841* 3350 / 3505*
132 22.8 21.4 18.8 15882692 2362 / 1841* 3400 / 3605*
150 25.9 24.6 22.1 15882692 2362 / 1841* 3450 / 3605*
200 35 32.6 27.4 1930 3048 2438 / 2064* 5222 / 4826
250 45.2 41.5 35.5 19303048 2438 / 2064* 5262 / 4866
300** 48.1 43.6 43.3 19303048 2438 / 2064* 5512 / 5116