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A 160-220 kW dry-type oil-free screw air compressor is a compressor designed for a specific power range (160 to 220 kW). Its core feature is the use of two precisely matched sets of screw rotors (male and female) to compress air. The key features are "dry" and "oil-free":
Oil-free: This means that no lubricating oil is involved in the compression process within the compression chamber, ensuring that the output compressed air is 100% oil-free.
Dry-type: To achieve oil-free compression, the rotors and the housing must not contact each other (otherwise, wear and burn would occur), resulting in extremely small clearances between them. To ensure efficient sealing and proper operation, the rotors are typically made of special coatings or materials and driven by a set of precision synchronous gears, ensuring that the rotors always maintain a very small clearance without contact.
Simply put, it is a high-powered power device that uses non-contact screw rotors to produce pure, oil-free compressed air.
Advantages
1. Highest Air Quality
Provides oil-free air that complies with ISO 8573-1 Class 0 standards, completely eliminating the risk of contamination from lubricating oils and meeting the most stringent air purity requirements in industries.
2. Low Operating Costs
◦ Eliminates the need for expensive consumables such as oil filters and oil-air separators.
◦ The generated compressed air requires no additional oil removal and purification equipment, saving on back-end processing costs and energy consumption.
3. Environmentally Friendly and Safe
◦ No oil mist emissions, environmentally friendly.
◦ Eliminates potential fire hazards and environmental pollution caused by oil in the compressed air system.
4. Easy Maintenance
Since the compression chamber is oil-free, maintenance work primarily focuses on the air filter, oil filter (for gearbox lubrication only), inspection of the synchronous gears, and the cooling system. Maintenance intervals are relatively long, and the workload is minimal.
5. High Efficiency and Reliability
In this power range, the mature dry screw technology and advanced design provide a stable, continuous, and efficient air source, suitable for long-term, heavy-duty operation.
Technical Parameters
| Dry Oil-free Screw Air Compressor RDO Series | ||||||||||
| Model | Air Delivery (m3/min) | Power (kW) | Noise dB(A) | Outlet diameter | Dimensions (mm) | Weight (Kg) | ||||
| 7bar | 8bar | 10bar | Air-cooled | Water-cooled | Air-cooled | Water-cooled | ||||
| RDO-160A/W | 16.9-28.5 | 15.6-26.3 | 14.1-23.8 | 160 | 73±3 | DN65 | 3000*1990*2180 | 2800*1900*1990 | 3650 | 3750 |
| RDO-185A/W | 19.5-32.8 | 17.1-28.9 | 16.3-27.5 | 185 | 74±3 | DN65 | 3000*1990*2180 | 2800*1900*1990 | 4100 | 4200 |
| RDO-200A/W | 21.8-36.8 | 20.4-34.6 | 18.1-30.6 | 200 | 74±3 | DN100 | 4500*2000*2100 | 3100*2100*2065 | 5100 | 4500 |
| RDO-220A/W | 24.9-41.5 | 22.4-37.3 | 19.8-33.0 | 220 | 74±3 | DN100 | 4500*2000*2100 | 3100*2100*2065 | 5600 | 5000 |
Typical Application Industries
This type of air compressor is primarily used in critical industries where compressed air comes into direct contact with the product, or where oil contamination can lead to significant losses, safety incidents, or product quality issues:
• Food and Beverage Industry: Used in processes such as raw material mixing, fermentation, packaging, and filling, ensuring that food is free of oil contamination and meeting hygiene and safety standards (such as HACCP and GMP).
• Pharmaceutical and Biotechnology Industry: Used in drug production, fermentation tank aeration, powder conveying, packaging, and laboratory pneumatic equipment, they are essential equipment for ensuring drug purity and compliance with pharmacopoeia standards (such as cGMP).
• Electronics and Semiconductor Industry: In processes such as chip manufacturing, printed circuit board (PCB) cleaning, and wafer dicing, even the smallest trace of oil molecules can render the product scrapped.
• Chemical and Petrochemical Industry: Used in process air, instrument air, and material handling, preventing dangerous reactions between oil and certain chemicals and contamination of products.
• Medical and Healthcare Industry: Providing clean and reliable air sources for dental surgeries, ventilators, and ICU wards in hospitals is directly related to patient safety. • Other key areas: such as the painting process in automobile manufacturing, aerospace, precision instruments and other fields that have extremely high requirements for air quality.
A 160-220 kW dry-type oil-free screw air compressor is a compressor designed for a specific power range (160 to 220 kW). Its core feature is the use of two precisely matched sets of screw rotors (male and female) to compress air. The key features are "dry" and "oil-free":
Oil-free: This means that no lubricating oil is involved in the compression process within the compression chamber, ensuring that the output compressed air is 100% oil-free.
Dry-type: To achieve oil-free compression, the rotors and the housing must not contact each other (otherwise, wear and burn would occur), resulting in extremely small clearances between them. To ensure efficient sealing and proper operation, the rotors are typically made of special coatings or materials and driven by a set of precision synchronous gears, ensuring that the rotors always maintain a very small clearance without contact.
Simply put, it is a high-powered power device that uses non-contact screw rotors to produce pure, oil-free compressed air.
Advantages
1. Highest Air Quality
Provides oil-free air that complies with ISO 8573-1 Class 0 standards, completely eliminating the risk of contamination from lubricating oils and meeting the most stringent air purity requirements in industries.
2. Low Operating Costs
◦ Eliminates the need for expensive consumables such as oil filters and oil-air separators.
◦ The generated compressed air requires no additional oil removal and purification equipment, saving on back-end processing costs and energy consumption.
3. Environmentally Friendly and Safe
◦ No oil mist emissions, environmentally friendly.
◦ Eliminates potential fire hazards and environmental pollution caused by oil in the compressed air system.
4. Easy Maintenance
Since the compression chamber is oil-free, maintenance work primarily focuses on the air filter, oil filter (for gearbox lubrication only), inspection of the synchronous gears, and the cooling system. Maintenance intervals are relatively long, and the workload is minimal.
5. High Efficiency and Reliability
In this power range, the mature dry screw technology and advanced design provide a stable, continuous, and efficient air source, suitable for long-term, heavy-duty operation.
Technical Parameters
| Dry Oil-free Screw Air Compressor RDO Series | ||||||||||
| Model | Air Delivery (m3/min) | Power (kW) | Noise dB(A) | Outlet diameter | Dimensions (mm) | Weight (Kg) | ||||
| 7bar | 8bar | 10bar | Air-cooled | Water-cooled | Air-cooled | Water-cooled | ||||
| RDO-160A/W | 16.9-28.5 | 15.6-26.3 | 14.1-23.8 | 160 | 73±3 | DN65 | 3000*1990*2180 | 2800*1900*1990 | 3650 | 3750 |
| RDO-185A/W | 19.5-32.8 | 17.1-28.9 | 16.3-27.5 | 185 | 74±3 | DN65 | 3000*1990*2180 | 2800*1900*1990 | 4100 | 4200 |
| RDO-200A/W | 21.8-36.8 | 20.4-34.6 | 18.1-30.6 | 200 | 74±3 | DN100 | 4500*2000*2100 | 3100*2100*2065 | 5100 | 4500 |
| RDO-220A/W | 24.9-41.5 | 22.4-37.3 | 19.8-33.0 | 220 | 74±3 | DN100 | 4500*2000*2100 | 3100*2100*2065 | 5600 | 5000 |
Typical Application Industries
This type of air compressor is primarily used in critical industries where compressed air comes into direct contact with the product, or where oil contamination can lead to significant losses, safety incidents, or product quality issues:
• Food and Beverage Industry: Used in processes such as raw material mixing, fermentation, packaging, and filling, ensuring that food is free of oil contamination and meeting hygiene and safety standards (such as HACCP and GMP).
• Pharmaceutical and Biotechnology Industry: Used in drug production, fermentation tank aeration, powder conveying, packaging, and laboratory pneumatic equipment, they are essential equipment for ensuring drug purity and compliance with pharmacopoeia standards (such as cGMP).
• Electronics and Semiconductor Industry: In processes such as chip manufacturing, printed circuit board (PCB) cleaning, and wafer dicing, even the smallest trace of oil molecules can render the product scrapped.
• Chemical and Petrochemical Industry: Used in process air, instrument air, and material handling, preventing dangerous reactions between oil and certain chemicals and contamination of products.
• Medical and Healthcare Industry: Providing clean and reliable air sources for dental surgeries, ventilators, and ICU wards in hospitals is directly related to patient safety. • Other key areas: such as the painting process in automobile manufacturing, aerospace, precision instruments and other fields that have extremely high requirements for air quality.
