250KW Direct-driven Water Cooling Oil-free Rotary Screw Compressor
Basic Properties
Place of Origin:
made in China
Brand Name:
AIRERA
Certification:
ISO、CE、TUV
Model Number:
OGFD-250
Trading Properties
Minimum Order Quantity:
1 unit
Price:
Negotiable
Payment Terms:
TT/LC,Western Union,D/P,D/A
Supply Ability:
2,000-3,000 per month
Product Summary
AIRERA 60HP oil-free screw compressor delivers ISO Class 0 certified pure air with 45KW direct-drive efficiency. Features air cooling, 10200 m³/hr airflow, and reliable 24/7 operation for medical, food, and industrial applications.
Product Details
Highlight:
250KW oil-free screw compressor
,direct-driven water cooling compressor
,industrial rotary screw air compressor
Cooling Water Flow（L/Min）:
640
Application:
Medical Equipments,bus,medical Dental,General Industry,For Airbrush And Mini Spray Gun
Working Pressure:
0.7-1.0MPa
Cooling Type:
Water Cooling
Driven Type:
Direct Driven
Lubrication Style:
Oil-free
Motor Power:
250KW
Product Description
AIRERA 250kW High-Efficiency Direct-driven Oil-free Series: A Green Industrial Solution for Ultimate Energy Saving and Zero-Pollution Emission
The AIRERA 250kW direct-driven water-cooled oil-free rotary screw compressor is an energy-saving benchmark designed for high-standard industrial environments, ensuring 100% oil-free air that meets ISO Class 0 purity standards. Featuring an advanced direct-drive structure, this model completely eliminates transmission losses, while its high-efficiency water-cooling system ensures exceptional thermal stability and extended service life even under extreme heavy-duty conditions. Powered by AIRERA’s intelligent control system for precise regulation, this high-capacity unit significantly reduces operational energy consumption and provides a stable, zero-pollution power source for food and electronic manufacturing industries, making it the ideal choice for modern green factory upgrades.
Advantages of OGFD Air Screw Compressor:
- Patented High-Efficiency Compressor Block
- Relief valve
The independently designed unloading valve (Patent No.: ZL200520058468.2), specifically engineered for vortex characteristics, enables fully sealed operation in screw compressors, ensuring stepless air delivery from 0 to 100%.
- Water cooler
The plates are made of special 304L stainless steel, offering corrosion resistance and high thermal efficiency, which reduces pressure and temperature differentials and ensures 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.
Technical Specifications - 250KW Air Cooling Compressor
250KW Air Cooling Compressor Parameters
| ITEM | UNIT | MODEL OGFD-250 |
|---|---|---|
| Free air delivery | m³/min | 43.0-38.0 |
| Max. working pressure | MPa | 0.7-1.0 |
| Compressor type | Oil-free screw compressor | |
| Cooling type | Wate cooling | |
| Driven type | Direct driven | |
| Inlet status - Temperature | ℃ | ≤45 |
| Inlet status - Pressure | MPa | Atmospheric pressure |
| Inlet status - Relative humidity | ≤90% | |
| Noise Level | dB(A) | ≤79 |
| Drive rotor speed | rpm | 2990 |
| Compressed air outlet temperature | ℃ | Ambient temperature＋15 |
| Compressed Inlet temp. | ℃ | 2-40 |
| Cooling water flow | m3/min | 640 |
| Control mode | Intelligent controller | |
| Safety valve set pressure | MPa | 0.77 ~ 1.10 |
| Lubricating water volume | L | 480 |
| Compressed air outlet connection | DN100 | |
| Dimension - L | mm | 3320 |
| Dimension - W | mm | 1850 |
| Dimension - H | mm | 1850 |
| Net Weight | kg | 5200 |
| Motor - Model | Y2355L2-2 | |
| Motor - Speed | rpm | 2990 |
| Motor - Rated Power | KW | 250 |
| Motor - Service factor | 1.2 | |
| Motor - Protection type | IP55 | |
| Motor - Efficiency | IE3 | |
| Motor - Startup mode | ʏ-Δ starting | |
| Motor - Voltage | V | 380 |
| Motor - Frequency | Hz | 50 |
| Motor - Rated current | A | 558 |
| Motor - Weight of motor | kg | 1950 |
AIRERA 250kW Screw Air Compressor: Frequently Asked Questions (FAQ)
How does AIRERA address wear and coating issues on oil-free screw aires?
AIRERA utilizes advanced high-performance rotor coating technology, which enhances corrosion resistance and minimizes operational clearances. Even after long-term operation, the coating maintains excellent sealing performance to ensure no airflow degradation and sustained high efficiency.
What are the core advantages of the 250kW model in food processing and electronics manufacturing?
Both industries have rigorous air purity requirements. AIRERA's 100% oil-free technology eliminates the risk of product oil contamination at the source, preventing costly recalls, while its pressure stability ensures the precision of sensitive pneumatic components and automated production lines.
Does the 250kW model have a high impact on the power grid during startup?
The model offers optional VFD soft-start technology, ensuring a smooth startup current without impacting the facility's power grid. This protects electrical components and avoids peak-demand penalties or voltage fluctuations caused by high startup inrush.
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