AC Power 0.3mpa to 0.5mpa 3bar -5bar Low Pressure Screw Air Compressor for Industrial Electrical
Product Overview
The Low Pressure Screw Air Compressor is specifically designed for industrial applications requiring stable compressed air at 3 to 5 bar (0.3-0.5 MPa). With a wide power range from 30kW to 250kW and air delivery from 7.0 to 60 m³/min, this direct-driven screw compressor delivers high efficiency, energy savings, and reliable performance across various industries.
Technical Specifications
| Parameter | Details |
|---|---|
| Working Pressure | 3 – 5 bar (0.3 – 0.5 MPa) |
| Air Delivery | 7.0 – 60 m³/min |
| Motor Power | 30 – 250 kW |
| Drive Method | Direct Driven |
| Cooling Method | Air Cooling / Water Cooling |
| Oil Content | ≤ 3 ppm |
| Air Supply Temperature | ≤ Ambient Temperature + 8~15ºC |
Model Specifications
| Model | Power (kW) | Air Flow @ 0.4MPa (m³/min) | Dimensions L×W×H (mm) |
|---|---|---|---|
| EL-30A | 30/40 HP | 7.0 | 1900×1260×1600 |
| EL-37A | 37/50 HP | 9.2 | 1900×1260×1600 |
| EXL-45A | 45/60 HP | 12.2 | 2100×1260×1600 |
| EXL-55A | 55/75 HP | 15.9 | 2600×1280×1900 |
| EXL-75A | 75/100 HP | 20.0 | 2600×1280×1900 |
| EXL-90A | 90/120 HP | 23.0 | 2600×1280×1900 |
| EXL-110A | 110/150 HP | 27.5 | 2600×1280×1900 |
| EXL-132A | 132/175 HP | 30.0 | 2600×1280×1900 |
| EXL-160A | 160/215 HP | 42.0 | 3080×2000×2300 |
| EXL-185A | 185/250 HP | 45.0 | 3080×2000×2300 |
| EXL-250A | 250/355 HP | 60.0 | 3600×2000×2300 |
Starting Method: Star-delta start / VSD start (available with model with "V")
Voltage Options: 380V/60Hz/3P, 440V/60Hz/3P, 220V/60Hz/3P, 380V/50Hz/3P, 410V/50Hz/3P, 415V/50Hz/3P, 230V/60Hz/3P, 480V/60Hz/3P (other voltages available upon request)
Key Features & Advantages
1. High Efficiency
Under low-pressure working conditions (3-5 bar), the compressor achieves a higher energy efficiency ratio, significantly reducing energy consumption while reliably meeting industrial compressed air demands.
2. Energy Saving
By operating at lower discharge pressure, power consumption is substantially reduced compared to standard high-pressure compressors, delivering measurable energy savings and lower operating costs.
3. Stable & Reliable Operation
The low-pressure screw compressor maintains excellent operational stability under continuous use, providing consistent, dependable compressed air for industrial production processes.
4. Direct Drive
The direct-driven design eliminates belt loss and reduces maintenance requirements, improving overall transmission efficiency and reliability.
5. Low Oil Content
Oil content ≤ 3 ppm ensures clean compressed air, reducing the need for additional filtration in many applications.
6. Multiple Cooling Options
Available in both air-cooled and water-cooled versions to suit different installation environments and operating conditions.
Applications
Low-pressure screw air compressors are widely used across various industrial sectors, including:
| Industry | Application |
|---|---|
| Glass Industry | Glass forming and blowing |
| Cotton Spinning | Yarn processing and conveying |
| Chemical Fiber Industry | Fiber production and processing |
| Cement Industry | Pneumatic conveying and aeration |
| Food & Beverage Processing | Product handling and packaging |
| Pharmaceutical & Chemical | Process air and material conveying |
| Environmental Protection & Recycling | Aeration and waste treatment |
| Textile Industry | Air jet looms and cleaning |
| Water Treatment | Aeration and agitation |
Packing & Delivery
Packing: Standard export packing with anti-rust treatment and wooden crates for sea freight protection.
Delivery: Flexible delivery options available. Please contact our sales team for specific delivery timelines based on your order quantity and destination.
FAQ
1. What is the working pressure range of this compressor?
The working pressure range is 3 to 5 bar (0.3 to 0.5 MPa), specifically designed for low-pressure industrial applications.
2. What is the difference between EL and EXL series models?
EL series models (EL-30A, EL-37A) are smaller capacity units suitable for lower air flow requirements, while EXL series models cover higher capacities from 12.2 to 60 m³/min for larger industrial applications.
3. Can the compressor run continuously 24/7?
Yes. The low-pressure screw compressor is designed for stable, continuous operation in industrial production environments.
4. What is the oil content in the discharged air?
The oil content is ≤ 3 ppm, ensuring clean compressed air suitable for most industrial applications without additional filtration.
5. What voltage options are available?
We offer multiple voltage options including 380V/60Hz/3P, 440V/60Hz/3P, 220V/60Hz/3P, 380V/50Hz/3P, 410V/50Hz/3P, 415V/50Hz/3P, 230V/60Hz/3P, and 480V/60Hz/3P. Other voltages can be customized upon request.






