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The combined scroll compressor is a compact, integrated air compression device that utilizes scroll compression technology and features a built-in freeze dryer, air receiver, and filtration system to provide stable, clean, and low-noise compressed air. It is suitable for small to medium-sized applications, especially those requiring space and quiet operation.
Product Parameters
| Oil free scroll air compressor | |||||||||
| Model | Air Delivery(m3/min) | Power (kW) | Air-end | Air tank | Noise dB(A) | Outlet diameter | Dimension (mm) | Weight (Kg) | |
| 8bar | 10bar | Power*Qty | Liters | L * W * H | |||||
| RO-2.2AT | 0.24 | 0.22 | 2.2 | 2.2*1 | 40 | 55 | G1/2 | 700*500*1220 | 160 |
| RO-3.7AT | 0.40 | 0.34 | 3.7 | 3.7*1 | 40 | 55 | G1/2 | 700*500*1220 | 170 |
| RO-2.2A | 0.24 | 0.22 | 2.2 | 2.2*1 | / | 55 | G1/2 | 650*500*870 | 125 |
| RO-3.7A | 0.40 | 0.34 | 3.7 | 3.7*1 | / | 55 | G1/2 | 650*500*870 | 135 |
| RO-5.5A | 0.60 | 0.55 | 5.5 | 5.5*1 | / | 55 | G1/2 | 790*640*1050 | 190 |
| RO-7.5A | 0.80 | 0.68 | 7.4 | 3.7*2 | / | 60 | G1/2 | 980*675*1270 | 350 |
| RO-11A | 1.20 | 1.10 | 11 | 5.5*2 | / | 60 | G3/4 | 852*1274*1330 | 450 |
| RO-15A | 1.60 | 1.36 | 14.8 | 3.7*4 | / | 63 | G1 1/2 | 1565*1274*1330 | 700 |
| RO-16.5A | 1.80 | 1.65 | 16.5 | 5.5*3 | / | 63 | G1 1/2 | 1565*1274*1330 | 710 |
| RO-22A | 2.40 | 2.20 | 22 | 5.5*4 | / | 63 | G1 1/2 | 1565*1274*1330 | 730 |
| RO-33A | 3.60 | 3.30 | 33 | 5.5*6 | / | 65 | G1 1/2 | 1565*1274*1775 | 1020 |
| RO-44A | 4.80 | 4.40 | 44 | 5.5*8 | / | 68 | G1 1/2 | 1565*1274*1775 | 1250 |
Features and Benefits
✅ Ultra-quiet Operation – Scroll technology and noise reduction design deliver noise levels as low as 50-60 dB(A), making it suitable for quiet locations like offices and laboratories.
✅ Energy-Efficient – 20%-30% more energy efficient than piston compressors, eliminating the frequent start-stop losses and making it suitable for intermittent air demand.
✅ Integrated Design – Integrates the air compressor, dryer, air receiver, and filter, saving space and allowing for ready-to-use installation.
✅ Clean, Low-Oil Air – The scroll structure eliminates lubricating oil contamination, ensuring an oil content of ≤0.01 ppm in outlet air (an oil-free model is available).
✅ Maintenance-Free Design – No wearing parts (such as piston rings or valves) are required; only regular filter element replacement is required, minimizing maintenance costs.
Applications
Medical and Laboratory (dental equipment, ventilators, testing instruments)
Small Manufacturing (pneumatic tools, packaging machines, 3D printing)
Food and Pharmaceutical (clean compressed air requirements)
Commercial and Office (automation equipment, pneumatic controls)
FAQ
Q: What is the difference between a scroll compressor and a screw compressor?
A: Scroll compressors are quieter, simpler, and require less maintenance, making them suitable for small and medium-sized air volumes (≤3 m³/min); screw compressors are suitable for high-flow, continuous-duty industrial applications.
Q: Do I need an additional dryer?
A: No! The all-in-one compressor has built-in freeze drying and precision filtration, achieving an air dew point of 3°C, directly meeting general air needs.
Q: What is the service life?
A: The core components of a scroll compressor have a lifespan of ≥100,000 hours, far exceeding that of a piston compressor (typically 30,000-50,000 hours).
Q: Can it operate continuously 24 hours a day?
A: Intermittent operation is possible. If continuous operation is required, we recommend an industrial-grade scroll or screw compressor.
Q: Does it support variable frequency operation?
A: Variable frequency models are available, providing more stable air pressure and improved energy efficiency.
Q5: How do I determine whether I need an oil-free compressor?
A: If the end equipment or process requires "oil-free air" (such as for FDA certification), then an oil-free compressor is essential.
The combined scroll compressor is a compact, integrated air compression device that utilizes scroll compression technology and features a built-in freeze dryer, air receiver, and filtration system to provide stable, clean, and low-noise compressed air. It is suitable for small to medium-sized applications, especially those requiring space and quiet operation.
Product Parameters
| Oil free scroll air compressor | |||||||||
| Model | Air Delivery(m3/min) | Power (kW) | Air-end | Air tank | Noise dB(A) | Outlet diameter | Dimension (mm) | Weight (Kg) | |
| 8bar | 10bar | Power*Qty | Liters | L * W * H | |||||
| RO-2.2AT | 0.24 | 0.22 | 2.2 | 2.2*1 | 40 | 55 | G1/2 | 700*500*1220 | 160 |
| RO-3.7AT | 0.40 | 0.34 | 3.7 | 3.7*1 | 40 | 55 | G1/2 | 700*500*1220 | 170 |
| RO-2.2A | 0.24 | 0.22 | 2.2 | 2.2*1 | / | 55 | G1/2 | 650*500*870 | 125 |
| RO-3.7A | 0.40 | 0.34 | 3.7 | 3.7*1 | / | 55 | G1/2 | 650*500*870 | 135 |
| RO-5.5A | 0.60 | 0.55 | 5.5 | 5.5*1 | / | 55 | G1/2 | 790*640*1050 | 190 |
| RO-7.5A | 0.80 | 0.68 | 7.4 | 3.7*2 | / | 60 | G1/2 | 980*675*1270 | 350 |
| RO-11A | 1.20 | 1.10 | 11 | 5.5*2 | / | 60 | G3/4 | 852*1274*1330 | 450 |
| RO-15A | 1.60 | 1.36 | 14.8 | 3.7*4 | / | 63 | G1 1/2 | 1565*1274*1330 | 700 |
| RO-16.5A | 1.80 | 1.65 | 16.5 | 5.5*3 | / | 63 | G1 1/2 | 1565*1274*1330 | 710 |
| RO-22A | 2.40 | 2.20 | 22 | 5.5*4 | / | 63 | G1 1/2 | 1565*1274*1330 | 730 |
| RO-33A | 3.60 | 3.30 | 33 | 5.5*6 | / | 65 | G1 1/2 | 1565*1274*1775 | 1020 |
| RO-44A | 4.80 | 4.40 | 44 | 5.5*8 | / | 68 | G1 1/2 | 1565*1274*1775 | 1250 |
Features and Benefits
✅ Ultra-quiet Operation – Scroll technology and noise reduction design deliver noise levels as low as 50-60 dB(A), making it suitable for quiet locations like offices and laboratories.
✅ Energy-Efficient – 20%-30% more energy efficient than piston compressors, eliminating the frequent start-stop losses and making it suitable for intermittent air demand.
✅ Integrated Design – Integrates the air compressor, dryer, air receiver, and filter, saving space and allowing for ready-to-use installation.
✅ Clean, Low-Oil Air – The scroll structure eliminates lubricating oil contamination, ensuring an oil content of ≤0.01 ppm in outlet air (an oil-free model is available).
✅ Maintenance-Free Design – No wearing parts (such as piston rings or valves) are required; only regular filter element replacement is required, minimizing maintenance costs.
Applications
Medical and Laboratory (dental equipment, ventilators, testing instruments)
Small Manufacturing (pneumatic tools, packaging machines, 3D printing)
Food and Pharmaceutical (clean compressed air requirements)
Commercial and Office (automation equipment, pneumatic controls)
FAQ
Q: What is the difference between a scroll compressor and a screw compressor?
A: Scroll compressors are quieter, simpler, and require less maintenance, making them suitable for small and medium-sized air volumes (≤3 m³/min); screw compressors are suitable for high-flow, continuous-duty industrial applications.
Q: Do I need an additional dryer?
A: No! The all-in-one compressor has built-in freeze drying and precision filtration, achieving an air dew point of 3°C, directly meeting general air needs.
Q: What is the service life?
A: The core components of a scroll compressor have a lifespan of ≥100,000 hours, far exceeding that of a piston compressor (typically 30,000-50,000 hours).
Q: Can it operate continuously 24 hours a day?
A: Intermittent operation is possible. If continuous operation is required, we recommend an industrial-grade scroll or screw compressor.
Q: Does it support variable frequency operation?
A: Variable frequency models are available, providing more stable air pressure and improved energy efficiency.
Q5: How do I determine whether I need an oil-free compressor?
A: If the end equipment or process requires "oil-free air" (such as for FDA certification), then an oil-free compressor is essential.
