POWER AIR SYSTEM CO., LTD.

SULLAIR LS Series｜Smart & Efficient Rotary Screw Compressors

The SULLAIR LS Series offers premium single-stage screw compressors from the USA, designed for continuous operation. With Spiral Valve and optional VSD, it delivers up to 30% energy savings. 5-year air end warranty included.
The SULLAIR LS Series is a high-performance, single-stage rotary screw air compressor engineered in the USA for heavy industrial use. Covering a wide range from 125 to 600 HP, it delivers air flow from 12.9 to 80.1 m³/min and operating pressures between 5.5 and 13 bar. Designed for 24/7 operation, this model prioritises energy efficiency, reliability, and long service life.
Equipped with a built-in Spiral Valve, it automatically adjusts air delivery based on system demand, reducing power consumption by up to 15% under full load and 30% under part load. Every unit in the series can be configured with a Variable Speed Drive (VSD) for even greater efficiency and precise pressure control.
■ Key Features
- Made in the USA with industrial-grade components
- Power range: 125–600 HP (90–450 kW)
- Air flow: 12.9–80.1 m³/min, Pressure: 5.5–13 bar
- Spiral Valve system saves energy under varying load conditions
- Optional VSD for enhanced energy efficiency and speed control
- Intuitive 10-inch touchscreen controller
- 5-year warranty on the air end (rotor group)
- Equipped with IE3 / IE4 high-efficiency motors
- Optional connectivity for IoT and remote control
■ Technical Specifications
- Power Output: 125–600 HP (90–450 kW)
- Air Flow Capacity: 12.9–80.1 m³/min
- Working Pressure: 5.5–13 bar
- Control System: Spiral Valve (standard), VSD (optional)
- Display Panel: 10-inch Touchscreen (STS)
- Motor: TEFC type, IE3 / IE4 compliant
- Lubricant: Sullube® synthetic oil (10,000-hour lifespan)
- Warranty: 5 years on the air end, 1–3 years on other components
■ Applications
- Steel production and foundries
- Automotive and tire manufacturing
- Cement and construction material plants
- Chemical and pharmaceutical factories
- Continuous-duty manufacturing operations
■ Who It's For
- Plant engineers aiming for long-term reliability and reduced energy costs
- Operations managers seeking 24/7 compressor solutions
- Companies upgrading to energy-efficient compressed air systems
The SULLAIR LS Series is the ideal solution for facilities that demand high performance, reliable air supply, and maximum energy efficiency in every shift.
Download the PDF catalogue or contact our team of technical experts for personalised consultation.

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