GA 90+/GA 110-160/GA 110-160 VSD Oil-Injected Rotary Screw Compressor
GA / Atlas Copco (Official website) / Listed on page 1 of the document
A series of oil-injected rotary screw air compressors rated 90 to 160 kW. Available as fixed-speed and variable speed drive (VSD, inverter) models, with a full-featured configuration that incorporates a water separator and dryer.
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Specifications
| Motor output | 90 to 160 kW |
|---|---|
| Operating pressure (standard) | 5.5〜14 bar(e) |
| Free air delivery (GA 90+, 7.5 bar) | 292 l/s |
| Free air delivery (GA 160, 7.5 bar) | 505 l/s |
| Noise level | 70〜71 dB(A) |
| Mass (GA 90+ standard) | 3000 kg |
| Mass (GA 160 standard) | 3440 kg |
| Maximum ambient temperature (standard) | 46 °C |
| Pressure dewpoint (full feature) | 3 °C |
Description
Employs screw elements with an asymmetric rotor profile and gear drive, with a high-efficiency motor and Elektronikon controller to achieve energy savings and long service life. The VSD controls motor speed to match air demand, contributing to energy reduction. Heat recovery systems and various options are also available, and the fixed-speed models support high ambient temperatures up to 55°C.
Features
- Water separator as standard, removing 100% of condensate
- Three-stage oil separation keeps residual oil below 3 ppm
- Screw element with asymmetric rotor profile
- Variable speed control by inverter (VSD)
- Heat recovery system allows compression heat to be used as hot water
- Elektronikon unit controller and smartphone-compatible monitoring
Applications
- Metal industry
- Mining
- Power plants
- General industry
FAQ
- Q. What are the operating pressure and free air delivery of the GA 90+/GA 110-160?
- A. The standard operating pressure is 5.5 to 14 bar(e). Free air delivery is 292 l/s for the GA 90+ at 7.5 bar, and 505 l/s for the GA 160 at 7.5 bar.
- Q. What are the noise level and maximum ambient temperature of the GA 110-160?
- A. The noise level is 70 to 71 dB(A). The standard maximum ambient temperature is 46 °C. Fixed-speed models also support high-temperature environments up to 55°C.
- Q. What energy-saving features does the GA 90+/GA 110-160 VSD have?
- A. The VSD controls motor speed to match air demand, contributing to energy reduction. Fixed-speed and inverter (VSD) models are available, so you can choose according to application.
- Q. Can the compression heat of the GA 90+/GA 110-160 be reused?
- A. Yes, the heat recovery system allows compression heat to be used as hot water. Various options are also available.
- Q. What are the dehumidification and residual oil specifications of the GA 90+/GA 110-160?
- A. A water separator is fitted as standard and removes 100% of condensate. Three-stage oil separation keeps residual oil below 3 ppm. The full-featured configuration provides a pressure dew point of 3 °C.
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