Ingersoll
Oil Free (37-300 KW) :

Finding utility across industries like Food & Beverage, Pharmaceuticals, Electronics, Power and Textile, the Oil Free range can be depended upon to deliver the highest purity of air. Built for tough and continuous use, these compressors are high on reliability and durability.


Features :
  • Ultracoat protection. Compared to other coatings, UltraCoat delivers longer life and 10% energy savings.
  • Time-proven two-stage compression module features precision-machined rotors & gearing
  • Antifriction bearings
  • Stainless-steel , dual vented air seals
  • Unique labyrinth oil seal design
  • Hydraulic valve actuation have been used instead of pneumatic controls. This eliminates the need for periodic diaphragm replacement, preventing unnecessary downtime and maintenance costs
  • Nirvana Oil free Variable Speed Drive Oil Free Air Compressor. The two-stage Nirvana Oil Free compressor has fewer rotating parts than any other rotary air compressor in its class.
  • By regulating cooling water to the compressor cooling system, Ingersoll Rand Oil Free Heat Recovery System (OF HRS) can capture upto 85% of the thermal energy available in the returned cooling water and heat customers’ process water upto 70°C (160°F).
  • Low sounds

Specifications :

50 Hz (37-300 kW)
Nominal kW Model SL FAD (m3 / min) at 7 bar g Model SM FAD (m3 / min) at 8.6 bar g Model SH FAD (m3 / min) at 10.3 bar g Width (mm) Length (mm) Height (mm) Weight (mm)
37 6 5.1 N/A 1372 2248 1914 2387 / 2410*
45 7.6 6.5 N/A 1372 2248 1914 2497 / 2520*
55 9.6 8.6 7.7 1372 2248 1914 2577 / 2600*
75 12.5 11.6 10.7* 1372 2248 1914 2682 / 2705*
90 15.9 13.6 13 1588 2692 2362/ 1841* 3270 / 3245*
110 19.4 18 15.3 1588 2692 2362 / 1841* 3350 / 3505*
132 22.8 21.4 18.8 1588 2692 2362 / 1841* 3400 / 3555*
150 25.9 24.6 22.1 1588 2692 2362 / 1841* 3450 / 3605*
200 35 32.6 27.4 1930 3048 2438 / 2064* 5222 / 4826*
250 45.2 41.5 35.5 1930 3048 2438 / 2064* 5262 / 4866*
300** 48.1 43.6 43.3 1930 3048 2438 / 2064* 5512 / 5116
* Specifications given with air - cooled value first, then water- cooled.
** Enhanced performances available upon request.
Note : All above models are available with an option of stand - alone VFD.

50 Hz ( 37 - 160 kW)
Model (HPM Style) FAD (m3/ min) at 7 bar g FAD (m3 / min) at 8.6 bar g FAD (m3 / min) at 10.3 bar g Discharge Air BSPT in Nominal kW Width mm Length mm Height mm Weight mm
IRN37K-OF 5.66 5.07 4.50 1.5 37 1120 2080 2030 1632
IRN45K-OF 6.71 6.20 5.61 1.5 45 1120 2080 2030 1632
IRN55K-OF 9.37 8.47 7.62 1.5 55 1320 2080 1950 2045
IRN75K-OF 12.32 11.33 10.42 1.5 75 1320 2080 1950 2045
IRN90K-OF 15.4 13.7 12.1 2 90 1830 2570 2440 3222
IRN110K-OF 18.8 17.1 15.4 2 110 1830 2570 2440 3222
IRN132K-OF 22.3 20.4 18.6 2 132 1830 2570 2440 3222
IRN160K-OF 25.6 24.4 22.8 2 160 1830 2570 2440 3222
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