Today, air compressors are widely used in almost all industries such as: mechanical engineering, plastics, agricultural processing, textiles, food, healthcare, electronics, etc. Along with the development of production, the requirements for stable compressed air quality, operate continuously, save energy with long term durability they are becoming increasingly stricter.
With more 100 years of research and development, Group Kobelco Japan has launched the following lines 37kW Kobelco air compressor system Optimized for performance and reliability. The product is designed to meet all the operational requirements of businesses: stable and continuous operation, easy to maintain and service, reduce energy costs, and delivering exceptional value throughout its entire lifespan.
carried out maintenance and oil sludge (varnish) removal for We are proud to be an authorized supplier of Kobelco air compressors, partnering with businesses to enhance sustainable production efficiency.

Kobelco screw air compressor
Kobelco oil-lubricated air compressors – KOBELION IV SG series 15–90 kW is a high-end industrial screw compressor series, designed for demanding compressed air systems. High stability, continuous operation, and long-term durability.With Kobelco's advanced screw compressor technology, the IV SG series delivers optimal compression performance, helping to maintain a stable compressed air supply for modern production lines.
Compared to mainstream models, KOBELION IV SG focus on sustainable operational efficiency, minimizing incidents, and optimizing maintenance costs throughout the product's lifecycle.
Overview of Kobelco KOBELION IV SG series 15–90 kW air compressors
The single-stage KOBELION IV SG Developed to meet the demand for stable compressed air in factories operating continuously for multiple shifts, the machine's overall design prioritizes robustness, ease of maintenance, and reliable operation under harsh industrial conditions.
Thanks to its highly precise mechanical structure and quality materials, Kobelco KOBELION IV SG air compressor is capable of maintaining stable compression performance over long periods, making it suitable for businesses that prioritize reliability and equipment longevity.
What is the Kobelco KOBELION IV SG air compressor? Its position in a compressed air system.
The concept of oil-lubricated screw air compressors
Oil-lubricated screw air compressors use lubricating oil to seal the screw clearances, reduce friction, and provide cooling during compression. This design allows for continuous, stable operation and is suitable for high-capacity applications.
The role of the KOBELION IV SG series
Kobelco KOBELION IV SG air compressor positioned as a product line:
- Stable and reliable operation.
- Suitable for standard compressed air systems.
- Easy to operate and maintain
- Optimized for continuous industrial production
Technical specifications of the Kobelco KOBELION IV SG air compressor.
- Main engine: 2 poles, TEFC
- Efficiency: IE3 – Premium Efficiency
- Insulation class: F
- Startup method: Star - Triangle
- Voltage: 380 / 415V – 50Hz

| SG series 【 Fixed speed model / Air cooled 】 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Model | Discharge pressure | Discharge air flow | Nominal output | Pipe connection | Fan motor | Lube Oil Quantity | Noise level | Dimensions | Weight | |
| W x D x H | ||||||||||
| MPa | m³/min | cfm | kW | A | kW | L | dB (A) | mm | kg | |
| SG15AN | 0.75 | 2.53 | 89.3 | 15 | 25 | 0.55 | 10 (11) | 55 | 1,250 × 850 × 1,500 | 650 |
| 0.85 | 2.53 | 89.3 | ||||||||
| 1.05 | 2.18 | 77 | ||||||||
| SG22AN | 0.75 | 3.9 | 138 | 22 | 25 | 0.55 | 11 (12) | 58 | 1,250 × 850 × 1,500 | 730 |
| 0.85 | 3.9 | 138 | ||||||||
| 1.05 | 3.2 | 113 | ||||||||
| SG30AN | 0.75 | 5.9 | 208 | 30 | 40 | 1.1 | 18 (20) | 58 | 1,550 × 950 × 1,600 | 940 |
| 0.85 | 5.4 | 191 | ||||||||
| 1.05 | 4.75 | 168 | ||||||||
| SG37AN | 0.75 | 7 | 247 | 37 | 40 | 1.1 | 18 (20) | 58 | 1,550 × 950 × 1,600 | 970 |
| 0.85 | 6.4 | 226 | ||||||||
| 1.05 | 5.7 | 201 | ||||||||
| SG45AN | 0.75 | 9.1 | 321 | 45 | 50 | 1.1 | 30 (37) | 63 | 2,200 × 1,200 × 1,700 | 1,640 |
| 0.85 | 8.5 | 300 | ||||||||
| 1.05 | 7.7 | 272 | ||||||||
| SG55AN | 0.75 | 10.7 | 378 | 55 | 50 | 1.5 | 30 (37) | 64 | 2,200 × 1,200 × 1,700 | 1,690 |
| 0.85 | 10.1 | 357 | ||||||||
| 1.05 | 9.1 | 321 | ||||||||
| SG75AN | 0.75 | 13.9 | 491 | 75 | 50 | 3 | 32 (40) | 66 | 2,200 × 1,200 × 1,700 | 1,800 |
| 0.85 | 13.4 | 473 | ||||||||
| 1.05 | 12 | 424 | ||||||||
| SG90AN | 0.75 | 17.8 | 629 | 90 | 50 | 4 | 35 (43) | 69 | 2,200 × 1,200 × 1,700 | 2,230 |
| 0.85 | 16.5 | 583 | ||||||||
| 1.05 | 15.2 | 537 | ||||||||
| Main motor: 2pole, TEFC induction motor, IE3, Class F, Star-delta drive, Electrical spec : 380/415V, 50Hz. ( ) for initial charge | ||||||||||
Structure & Technology
Kobelco oil-lubricated air compressors – KOBELION IV SG Series (15–90 kW)
KOBELION IV SG Series equipped next generation compressor with direct gear drive, combine high-performance motor meeting IE3 (Premium Efficiency Motor) standards.. The entire compressor and motor assembly is designed as an integrated unit using advanced technology, resulting in a robust structure, stable operation, and simple control.
Superior optimal airflow
The single-stage NEW KOBELION SG achieve highest airflow in its segment., increase maximum 17% compared to other models of the same type, its advanced compressor head design optimizes compression efficiency and reduces energy loss.

Kobelco oil-lubricated air compressors achieve optimal airflow rates.
Direct gear drive (AG/SG)
The machine is designed to achieve optimal performance at rated load. Precision helical gears mounted directly on the motor shaft, Remove the coupling and belt.help:
- Reduce vibration of rotating parts.
- Reduce mechanical losses
- Smooth operation, minimizes pressure surges.
- Reduce noise, improve the working environment.
- No belt adjustment or replacement required.
All models used IE3 high-performance motor, ensuring long-term energy savings.

Direct gear drive (AG/SG)
Smart energy-saving logic
Technology Energy Saving Logic Kobelco's system automatically optimizes the pressure range for load/no-load control. eliminate excess pressure buildup., thereby significantly reducing electricity consumption.

Energy saving logic
High resistance to ambient temperatures
The machine is designed to operate stably at the ambient temperature is consistently 45°C. and can operate safely for up to 50°CSuitable for factory conditions in Vietnam.
Principle of operation
Air is drawn into the screw assembly and compressed by the synchronized rotation of the two screws. Lubricating oil is sprayed into the compression chamber for sealing, friction reduction, and heat absorption. After compression, the air-oil mixture is separated through a high-efficiency oil separator, ensuring stable compressed air output and meeting production requirements. This process helps Kobelco KOBELION IV SG air compressor maintain sustainable performance throughout the operation.
Key advantages of the Kobelco KOBELION IV SG air compressor
Stable operation – high reliability
The robust mechanical design ensures stable operation in dusty industrial environments, high temperatures, and during extended operating hours.
Optimal compression performance
Precision screw technology enables the machine to achieve high compression efficiency and maintain a stable airflow.
Convenient maintenance
The scientifically arranged components facilitate easy inspection and routine maintenance, reducing downtime.
Long lifespan
The machine is designed for reliable operation over many years, making it suitable for businesses that prioritize long-term investment.
Practical applications of the Kobelco KOBELION IV SG air compressor.
- Mechanical factory
- Industrial production line
- Food and drinks
- Textiles - packaging
- Continuous production plant
Many operations engineers have assessed that KOBELION IV SG provides high stability and significantly reduces the risk of production disruptions due to compressed air failures.
Guide to choosing the right Kobelco KOBELION IV SG air compressor.
When selecting Kobelco KOBELION IV SG 15–90 kW air compressor, needs to be considered:
- Total compressed air consumption
- System pressure requirements
- Number of operating hours per day
- Future expansion plans
Choosing the right power capacity helps ensure stable system operation and avoids wasted investment costs.
Installation and operation instructions for the Kobelco KOBELION IV SG air compressor.
Installation
- The machine room is well-ventilated.
- The power system is stable.
- The gas pipelines are installed correctly.
Operate
- Monitor the parameters on the controller.
- Check the oil and filter regularly.
- Perform maintenance according to technical recommendations.
Frequently Asked Questions (FAQ)
Is the Kobelco KOBELION IV SG air compressor suitable for 24/7 operation?
Yes. The machine is designed for continuous operation in industrial environments.
How does the IV SG differ from the Inverter series?
The IV SG is a fixed-speed series, suitable for stable load systems and offering a more optimal initial investment cost.
Is the machine easy to maintain?
Yes. The user-friendly design allows for quick and convenient maintenance.
Why should you buy the Kobelco KOBELION IV SG air compressor at Phuc Hung?
carried out maintenance and oil sludge (varnish) removal for we are a provider of industrial compressed air solutions with:
- Genuine product
- In-depth technical consulting
- Survey of the actual system
- Installation and maintenance support
- Transparent warranty policy
Contact carried out maintenance and oil sludge (varnish) removal for for detailed advice Kobelco oil-lubricated air compressors – KOBELION IV SG series 15–90 kW, conduct on-site surveys and propose the most suitable compressed air solutions for your factory.






