POWER AIR SYSTEM CO., LTD.

Screw Air Compressor "SULLAIR LS Series" | US-made, High-load Capable, Equipped with Spiral Valve

The US-made SULLAIR LS series is a single-stage screw compressor designed for high loads. With Spiral Valve and VSD functionality, it achieves up to 30% energy savings, and the screw element comes with a 5-year warranty.
The SULLAIR LS series is a high-performance screw air compressor manufactured by Sullair USA. Featuring a single-stage design, it covers an output range of 125 to 600 HP, with a free air delivery of 12.9 to 80.1 m³/min, and a pressure range of 5.5 to 13 bar. It supports 24-hour continuous operation and is designed for superior reliability and durability.
Equipped with a standard Spiral Valve, it automatically adjusts air supply according to load. It can save 15% energy at full load and up to 30% at partial load. Furthermore, a VSD (Variable Speed Drive) option is available for all horsepower models, enabling more precise pressure control and power savings.
■ Features
- US-made, high-quality, high-reliability industrial model
- Output range: 125 to 600 HP (90 to 450 kW)
- Free air delivery: 12.9 to 80.1 m³/min, Pressure: 5.5 to 13 bar
- Spiral Valve automatically optimizes supply volume, achieving up to 30% energy savings
- VSD (Variable Speed Drive) compatibility enables further energy-saving operation
- Intuitive operation with a 10-inch touchscreen panel
- 5-year manufacturer's warranty on the screw element
- Equipped with high-efficiency IE3/IE4 compliant motors
■ Main Specifications
- Output: 125 to 600 HP (90 to 450 kW)
- Free air delivery: 12.9 to 80.1 m³/min
- Operating pressure: 5.5 to 13 bar
- Control method: Spiral Valve (standard), VSD (optional)
- Operation display: Touchscreen (10-inch)
- Screw warranty: 5 years (Sullair USA)
- Motor: TEFC IE3/IE4 compliant
- Lubricant: Sullube® (10,000-hour compatibility)
■ Example Applications
- Steelmaking and foundry plants
- Automotive and tire manufacturing
- Cement and building materials industry
- Chemical plants and pharmaceutical industry
- All 24-hour operating production lines
The SULLAIR LS series is the optimal solution for industrial air compressors, pursuing energy efficiency, durability, and continuous operation.
Please download the PDF catalog or feel free to contact our expert staff.

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Screw Air Compressor "SULLAIR LS Series" | US-made, High-load Capable, Equipped with Spiral Valve

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