CompAir offers a range of high-efficiency, oil-free screw compressors in the 75 to 160 kW range, designed to deliver 100% oil-free air for critical applications such as food processing, pharmaceuticals, electronics, and medical industries. Below is a detailed comparison of their key models:
🔧 CompAir Oil-Free Screw Compressors (75–160 kW)
- D-Series (Fixed & Variable Speed)
- Power Range: 75–160 kW
- Pressure: 4–10 bar
- Free Air Delivery (FAD): 8.89 to 23.52 m³/min
- Cooling Options: Air-cooled and water-cooled
- Certifications: ISO 8573-1:2010 Class 0 (oil-free and silicone-free)
- Features:
- Two-stage compression with UltraCoat™ rotor protection
- Delcos XL/UX controllers with iConn remote monitoring
- High ambient temperature operation up to 46°C
- Energy-efficient design with low pressure losses
- Models Include:
- D75, D90, D110, D132, D160 (fixed speed)
- D110RS, D132RS, D160RS (regulated speed)
- Flow Rates at 8 bar:
- D75: 12.91 m³/min
- D90: 15.65 m³/min
- D110: 19.51 m³/min
- D132: 22.39 m³/min
- D160: 23.52 m³/min
- Power Range: 90–160 kW
- Pressure: Up to 10 bar
- FAD: Up to 23.52 m³/min
- Features:
- Advanced airend design for improved energy efficiency
- IE5 ultra-premium efficiency motors on variable speed models
- Delcos i 10 controllers with enhanced diagnostics and connectivity
- Designed for high ambient operation up to 46°C, with optional packages for up to 55°C
- Integrated iConn for real-time monitoring and reduced downtime
- Ease of maintenance with longer intervals and patented consumables
- Ultima Series (U75–U160)
- Power Range: 75–160 kW
- Pressure: 4–10 bar
- FAD: 6.7 to 23 m³/min
- Design Highlights:
- Unique twin-motor design with each airend driven by its own variable speed, permanent magnet synchronous motor
- Eliminates the need for a gearbox, reducing energy losses and maintenance
- Delcos XXL controller with 8-inch color touch screen
- Compact footprint, 37% smaller than conventional two-stage compressors
- Energy savings of up to 45% in idle run compared to traditional compressors
- iConn-ready for proactive real-time monitoring and performance management
📊 Summary Comparison
| Model Series | Power Range | Pressure Range | FAD Range (m³/min) | Cooling Options | Key Features |
| D-Series | 75–160 kW | 4–10 bar | 8.89–23.52 | Air/Water | Two-stage compression, UltraCoat™, Delcos XL/UX controllers |
| DX-Series | 90–160 kW | Up to 10 bar | Up to 23.52 | Air/Water | Advanced airend, IE5 motors, Delcos i 10 controller |
| Ultima | 75–160 kW | 4–10 bar | 6.7–23 | Air/Water | Twin-motor design, no gearbox, Delcos XXL controller |
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