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What industries are the AIRSTONE Oil Free Scroll Air Compressor suitable for?

Time:2025-08-22 Views:5
Oil-free Scroll compressors (commonly referred to as oil-free scroll compressors/vacuum pumps, whose core features include an oil-free lubrication design and a scroll-type compression/extraction structure, resulting in low pollution, low noise, and high stability) are widely used in fields with stringent requirements for media cleanliness and operating environments due to their oil-free and smooth operation.
1. Core Application Areas and Typical Scenarios
The core value of oil-free Scroll compressors lies in preventing oil contamination of the media and oil mist contamination of the environment. Therefore, they are primarily used in industries with mandatory requirements for cleanliness and low interference. Specific applications are as follows:
1. Healthcare Industry
- Medical Device Drives: Providing an oil-free air source for dental handpieces, ventilators, and anesthesia machines to prevent cross-infection;
- Medical Process Assistance: Pneumatic control for sterile drug filling/sealing, and negative pressure aspiration of medical waste;
- Laboratory Equipment: Serving as the air source for pneumatic modules in biochemical analyzers and hematology analyzers to ensure accuracy.
2. Food and Beverage Industry
- Processing: Driving food packaging and sorting machines, airflow conveying dry materials such as flour and milk powder to prevent contamination;
- Beverage Production: Air drying containers before filling, pressure control for carbon dioxide mixing in carbonated beverages;
- Fresh Packaging: Nitrogen/carbon dioxide filling in modified atmosphere (MAP) packaging to extend shelf life.
3. Electronics and Semiconductor Industry
- Semiconductor Manufacturing: Vacuum adsorption for wafer processing and pneumatic control of precision robotic arms to prevent component short circuits;
- Electronic Packaging: Positioning cylinders and sealing and pressing air sources for chip and LED packaging to ensure component performance;
- Electronic Assembly: Pneumatic assistance for component picking and solder paste printing in SMT production lines to improve soldering yield.
4. Laboratory and Research
- Vacuum Experimentation: Vacuum drying ovens (drying biological and chemical samples), thin film deposition (PVD/CVD), and high-purity vacuum environments for mass spectrometry analysis;
- Pneumatic Assistance: Clean air sources for precision fluid control equipment and pneumatic grippers to ensure reliable experimental data.
5. Packaging and Printing Industry
- Packaging Equipment: Vacuum packaging for food/electronic components, nitrogen-filled fresh-keeping packaging for snacks, and preventing oil contamination of products;
- Printing Equipment: Cleaning rollers for flexographic/gravure printing, controlling paper tension, and preventing printing defects.
6. Other Special Applications
Automotive electronics testing (ECU and sensor detection of air sources), airtightness testing of aerospace components, home oxygen concentrators, and commercial coffee machine milk frother drivers, etc.
II. Summary of the Application Advantages of Oil-Free Scroll Machines
Compared to traditional oil-based compressors/vacuum pumps, their core advantages directly meet the needs of the aforementioned industries:
1. Oil-Free: No oil mist is generated during operation, completely preventing oil contamination of the medium (such as air, nitrogen, and hydrogen) or the environment, meeting the cleanliness requirements of industries such as medical, food, and electronics.
2. Low Noise and Vibration: The scroll structure operates smoothly, with noise levels typically below 60dB (some models can be as low as 50dB), making it suitable for noise-sensitive environments such as hospital wards and laboratories.
3. High Stability and Long Life: The oil-free design reduces failures caused by lubricant aging and leakage, resulting in a lifespan of over 10,000 hours for core components and reduced maintenance costs.
4. Energy-Efficient: Scroll compressors offer high compression/extraction efficiency, saving 15%-30% energy compared to traditional oil-based equipment. They are particularly suitable for long-term continuous operation (such as factory production lines and hospital negative pressure systems).
III. Application Considerations
1. Model Selection: Select appropriate pressure/vacuum level and flow rate parameters based on application requirements (e.g., medical oxygen concentrators require low pressure and high flow rate, while semiconductor vacuum systems require high vacuum).
2. Air Inlet Filtration: Although the device is oil-free, a high-efficiency filter (such as a HEPA filter) must be installed at the air inlet to prevent dust and impurities from entering the device, which could affect its lifespan.
3. Regular Maintenance: Clean filters and inspect seals regularly (oil-free devices rely on dry-type seals, so avoid seal wear and loss of efficiency).

This is an AS-7.5OF oil-free scroll air compressor. Specifications are as follows:
- Air volume: 0.6 m³/min
- Pressure: 8 bar
- Voltage: 380V/60Hz/3-phase
- Power: 5.5 kW
- Drive: Belt drive (double belt)
- Internal temperature: ≤ ambient temperature + 10°C
- Exhaust temperature: ≤ ambient temperature + 35°C
- Noise level (1m from the front): ≤ 70 dB(A)
- Weight: 190 kg ± 5%
- Dimensions: 790*640*1050 mm
- Mounting and transport mounting holes: 500*600 mm (Ø 12 in)
For more information, please consult!

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