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An oil-free scroll air compressor is a positive displacement air compressor that uses scroll compression technology and requires no lubricating oil for gas compression. Its core components consist of a fixed static scroll and a rotating orbiting scroll. The meshing motion of these two scrolls allows gas to be drawn in, compressed, and discharged, without any oil contamination.
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 Advantages
1. 100% oil-free: No lubricant enters the compression chamber, and the output air meets ISO 8573-1 Class 0 oil-free standards, meeting high-purity requirements in industries such as pharmaceuticals, food, and electronics.
2. Highly efficient and energy-efficient: The scroll structure operates smoothly, minimizing mechanical losses and saving approximately 30% energy compared to piston compressors, making it suitable for intermittent or continuous operation.
3. Low noise and vibration: With no reciprocating parts, noise levels are typically below 60 decibels, making it suitable for quiet environments such as laboratories and hospitals.
4. Simple maintenance: The oil-free design eliminates consumables such as oil filters and oil separators, requiring only regular air filter replacement and seal inspection.
5. Compact and lightweight: The simple structure and small size make it easy to install and move.
Applications
Medical: Air supply for ventilators, dental equipment, and surgical instruments.
Food and Beverage: Packaging machinery, fermentation processes, and pneumatic conveying.
Electronics: Chip packaging, PCB cleaning, and precision instruments.
Laboratory: Analytical instruments and pneumatic control.
Other: Photovoltaics, chemical processes, and other applications requiring oil-free air.
FAQ
Q1: Can oil-free scroll compressors replace oil-containing air compressors?
A: They are only suitable for clean applications. High-power requirements (such as large-scale industrial applications) still favor screw compressors.
Q2: What is their lifespan?
A: The core scroll has a lifespan of approximately 40,000 to 80,000 hours, but dust and liquid inhalation must be avoided.
Q3: Is post-processing equipment required?
A: A dryer (such as a refrigerated dryer) is typically required to remove moisture, but an oil removal filter is not required.
Q4: What are the advantages and disadvantages compared to oil-free screw compressors?
A: Scroll compressors are quieter and less expensive, but their flow rate per unit is generally ≤20 m³/min; screw compressors are suitable for higher flow rates.
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.
An oil-free scroll air compressor is a positive displacement air compressor that uses scroll compression technology and requires no lubricating oil for gas compression. Its core components consist of a fixed static scroll and a rotating orbiting scroll. The meshing motion of these two scrolls allows gas to be drawn in, compressed, and discharged, without any oil contamination.
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 Advantages
1. 100% oil-free: No lubricant enters the compression chamber, and the output air meets ISO 8573-1 Class 0 oil-free standards, meeting high-purity requirements in industries such as pharmaceuticals, food, and electronics.
2. Highly efficient and energy-efficient: The scroll structure operates smoothly, minimizing mechanical losses and saving approximately 30% energy compared to piston compressors, making it suitable for intermittent or continuous operation.
3. Low noise and vibration: With no reciprocating parts, noise levels are typically below 60 decibels, making it suitable for quiet environments such as laboratories and hospitals.
4. Simple maintenance: The oil-free design eliminates consumables such as oil filters and oil separators, requiring only regular air filter replacement and seal inspection.
5. Compact and lightweight: The simple structure and small size make it easy to install and move.
Applications
Medical: Air supply for ventilators, dental equipment, and surgical instruments.
Food and Beverage: Packaging machinery, fermentation processes, and pneumatic conveying.
Electronics: Chip packaging, PCB cleaning, and precision instruments.
Laboratory: Analytical instruments and pneumatic control.
Other: Photovoltaics, chemical processes, and other applications requiring oil-free air.
FAQ
Q1: Can oil-free scroll compressors replace oil-containing air compressors?
A: They are only suitable for clean applications. High-power requirements (such as large-scale industrial applications) still favor screw compressors.
Q2: What is their lifespan?
A: The core scroll has a lifespan of approximately 40,000 to 80,000 hours, but dust and liquid inhalation must be avoided.
Q3: Is post-processing equipment required?
A: A dryer (such as a refrigerated dryer) is typically required to remove moisture, but an oil removal filter is not required.
Q4: What are the advantages and disadvantages compared to oil-free screw compressors?
A: Scroll compressors are quieter and less expensive, but their flow rate per unit is generally ≤20 m³/min; screw compressors are suitable for higher flow rates.
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.
