20HP VSD Direct-driven Air Cooling Oil-free Industrial Air Compressor
Unleash the full potential of your production line with the AIRERA 20HP (15kW) VSD Direct-Driven Oil-Free Air Compressor. This industrial-grade solution is engineered for high-demand environments where 100% air purity is the standard. By integrating advanced Variable Speed Drive (VSD) with a Direct-Drive transmission, it achieves unrivaled energy savings by matching power output to your real-time air consumption.
The robust Air Cooling architecture ensures consistent thermal management, eliminating the need for water cooling costs. With zero oil in the compression chamber, AIRERA delivers ISO Class 0 certified air, safeguarding your high-precision equipment and products from contamination. It is the smart, sustainable choice for modern industrial automation.
Advantages of OGFD Air Screw Compressor:
- Constant Voltage and Power Saving
- Patented High-Efficiency Compressor Block
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.
- Unloading Valve
The independently designed unloading valve (Patent No.: ZL200520058468.2) is specifically engineered for vortex characteristics, enabling the screw compressor to achieve a fully sealed operation with 0–100% capacity, ensuring stepless air delivery.
| ITEM | UNIT | MODEL OWFD-15D A/B/CVP |
|---|---|---|
| Free air delivery | m³/min | 1.10-1.90|1.10-1.80 |
| Max. working pressure | MPa | 0.7-1.0 |
| Compressor type | Oil-free 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) | ≤58 |
| Drive rotor speed | rpm | 3000 |
| Compressed air outlet temperature | ℃ | Ambient temperature＋20 |
| Cooling air flow | m³/hr | 5800 |
| Control mode | Intelligent controller | |
| Safety valve set pressure | MPa | 0.77 ~ 1.10 |
| Lubricating water volume | L | 20 |
| Compressed air outlet connection | G1 | |
| Dimension - L | mm | 1170 |
| Dimension - W | mm | 900 |
| Dimension - H | mm | 1100 |
| Net Weight | kg | 660 |
| Motor - Model | TYCP132S3-8 | |
| Motor - Speed | rpm | 3000 |
| Motor - Rated Power | KW | 15 |
| 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 | 26.3 |
| Motor - Weight of motor | kg | 70 |
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.
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