Elevate your industrial capabilities with the AIRERA 18.5kW VSD Direct-Driven Oil-Free Air Compressor. This powerhouse is the ideal solution for large-scale operations requiring 100% sterile, oil-free air. By integrating Variable Speed Drive (VSD) technology, the system intelligently adapts to your fluctuating air demand, eliminating idle energy waste and reducing electricity costs by up to 35%.
The Direct-Driven architecture ensures maximum torque transfer without the energy loss or maintenance hassles of belts. Coupled with a high-capacity Air Cooling system, it maintains peak efficiency and thermal stability even during 24/7 continuous operation. AIRERA delivers the reliability and ISO Class 0 air quality essential for food processing and precision manufacturing.

The compressor block is constructed from 304L stainless steel,featuring a world-class sealing system that integrates mechanical seals,an air curtain chamber, labyrinth seals, and a bypass channel into a single unit.

The plates are made of special 304L stainless steel, offering corrosion resistance and high heat transfer efficiency. This reduces pressure and temperature differentials, ensuring the system operates under near-isothermal compression. The system features a compact design, requires less cooling water, minimizes pressure loss, enhances durability, and is easy to clean and maintain.

| ITEM | UNIT | MODEL OWFD-18.5D A/B/CVP |
|---|---|---|
| Free air delivery | m³/min | 1.80-3.10|1.60-2.80|1.50-2.50 |
| Max. working pressure | MPa | 0.7-1.0 |
| Compressor type | Oil inject screw compressor | |
| Cooling type | Air cooling | |
| Driven type | Direct driven | |
| Inlet status - Temperature | ℃ | 2-40 |
| Inlet status - Pressure | MPa | Atmospheric pressure |
| Inlet status - Relative humidity | ≤90% | |
| Noise Level | dB(A) | ≤61 |
| Drive rotor speed | rpm | 3000 |
| Compressed air outlet temperature | ℃ | Ambient temperature+20 |
| Cooling air flow | m³/hr | 6500 |
| Control mode | Intelligent controller | |
| Safety valve set pressure | MPa | 0.77 ~ 1.10 |
| Lubricating water volume | L | 27 |
| Compressed air outlet connection | G1 | |
| Dimension - L | mm | 1400 |
| Dimension - W | mm | 1000 |
| Dimension - H | mm | 1200 |
| Net Weight | kg | 700 |
| Motor - Model | TCYP-132M-8 | |
| Motor - Speed | rpm | 3000 |
| Motor - Rated Power | KW | 18.5 |
| Motor - Service factor | 1.2 | |
| Motor - Protection type | IP55 | |
| Motor - Efficiency | IE5 | |
| Motor - Startup mode | Frequency conversion starting | |
| Motor - Voltage | V | 400(Special on request) |
| Motor - Frequency | Hz | 50-200(Special on request) |
| Motor - Rated current | A | 32.5 |
| Motor - Weight of motor | kg | 85 |

Direct-drive achieves perfect coaxial alignment between the motor and air end, eliminating radial forces on bearings caused by belt tension. This significantly reduces the load on air-end bearings, extending the machine's mechanical lifespan by over 30% compared to belt-driven models while maintaining minimal vibration.