KIMAIR ELI Series Two-Stage Low-Pressure Rotary Screw Air Compressors

The ELI series introduces efficient Two-Stage Screw Compressor technology to the low-pressure segment, providing the ultimate solution for low-pressure applications with higher demands for air volume and efficiency. Through two-stage compression and Intercooler cooling, it achieves significantly greater Free Air Delivery [FAD], lower Specific Power, and superior operational stability while maintaining low-pressure output. It is the core energy-efficiency equipment for large-scale low-pressure air systems.

Category：

Low-Pressure Rotary Screw Air Compressor

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| Product Details

Video Tutorial

KIMAIR ELI Series Two-Stage Low-Pressure Rotary Screw Air Compressors Principle Explanation Video

KIMAIR Core Advantages

Ultra-High Volume & Efficiency

- Two-stage compression significantly boosts Volumetric Efficiency, delivering industry-leading air volume at comparable power. Overall energy efficiency is 8%-15% higher than single-stage low-pressure units.
Low-Temperature, Long-Life Operation

- Intercooler cooling significantly reduces the Compression Ratio and Discharge Temperature for each stage, dramatically extending the life of the lubricant and the Airend.
Wider Pressure Range

- Stably covers a pressure range of 0.45-0.5 MPa, offering strong adaptability.
Superior System Stability

- Designed for continuous, heavy-duty operation, ensuring stable air supply for large production lines.

Technical Specifications

Model	Motor Power		Pressure（MPa）	Free air delivery（m³/min）	Outlet （inch/mm）	Weight (kg)	Dimensions （mm）
	（kW）	（Hp）
K30ELI	22	30	0.45	6.2	G2	620	130010501450
			0.5	5.8
K75ELI	55	75	0.45	13.8	DN65	1900	210015001700
			0.5	13.0
K100ELI	75	100	0.45	19.6	DN80	2700	238017501900
			0.5	18.5
K120ELI	90	120	0.45	24.3	DN100	2900	245018501970
			0.5	22.0
K150ELI	110	150	0.45	28.0	DN100	3600	270019002200
			0.5	26.5
K180ELI	132	180	0.45	32.0	DN100	4500	300019002325
			0.5	30.5
K220ELI	160	220	0.45	40.0	DN125	5500	330023002500
			0.5	38.0
K250ELI	185	250	0.45	45.0	DN125	6000	330023002500
			0.5	42.5
K270ELI	200	270	0.45	54.5	DN150	6500	345024002920
			0.5	52.0
K300ELI	220	300	0.45	60.0	DN150	7000	345024002920
			0.5	58.0
K340ELI	250	340	0.45	64.0	DN200	7600	345024002920
			0.5	61.0
K380ELI	280	380	0.45	74.0	DN200	8900	380024003100
			0.5	69.0
K420ELI	315	420	0.45	83.0	DN200	9000	380024003100
			0.5	77.5

Application Scenarios

- Centralized low-pressure air energy centers in large textile mills.

- Ultra-high volume low-pressure demands, such as float glass production lines.

- Large-scale pneumatic conveying systems in the chemical industry.

- Applications requiring a single, high-volume solution, replacing multiple smaller units operating in parallel.

Customer Frequently Asked Questions (FAQ)

Q: When should I choose the ELI Two-Stage Screw Compressor over multiple parallel SLI units?

A: When the air demand exceeds the capacity of a single SLI unit, or when the total footprint, piping complexity, control difficulty, and total power consumption of multiple parallel units exceed that of a single ELI unit. The ELI also offers more stable system pressure and lower energy consumption per unit of air.

Q: Is maintenance more complex for a two-stage low-pressure compressor?

A: The maintenance items are slightly increased compared to a single-stage unit. However, KIMAIR uses a symmetric and modular design, making maintenance for each stage independent and clear. The substantial energy efficiency gains and reliability improvements far outweigh the minor increase in maintenance costs.

Why choose the KIMAIR ELI series?

- Benchmark for Large Low-Pressure Systems: Sets new standards for energy efficiency and reliability for large-scale low-pressure air applications.

- Reduces Complexity & Total Cost of Ownership: Simplifies the system with a single unit, reducing failure points and lowering long-term operating and management costs.

- Future-Ready Design: Powerful output capacity reserves space for production expansion; a strategic infrastructure investment.

- Validated in Global Large-Scale Projects: The technology has been successfully validated in numerous major industrial projects.