Atlas Copco’s 100% oil-free compressed air has been certified by ISO 8573-1 CLASS 0 and TÜV Rheinland in Germany, guaranteeing zero oil content in the compressed air delivered.

Why Traditional Screw Compressors Contain Oil

In conventional screw air compressors, the rotors rely on lubricating oil for both cooling and lubrication during operation. As a result, the compressed air inevitably contains oil particles. These oil residues can adhere to valves, instruments, and pipelines, causing irreversible damage and contamination to downstream equipment. In severe cases, this may lead to instrument failure or even production accidents. Additionally, oil contamination in the production process can directly compromise product quality.

What Makes Atlas Copco Compressors Truly Oil-Free?

Atlas Copco’s oil-free compressors adopt special rotor coatings to prevent wear, enabling them to compress air without using any oil. The resulting compressed air is 100% free from oil, making it ideal for sensitive applications such as pharmaceuticals, food & beverage, electronics, and precision manufacturing.

Two Ways 100% Oil-Free Air Saves You Money

1. Improved Production Efficiency:
   With clean, stable compressed air, your production runs more smoothly, reducing downtime and defects.
2. Lower Maintenance & Operating Costs:
   Oil-laden compressed air accelerates wear on downstream equipment, increases the frequency of maintenance, and raises the risk of system shutdowns. In contrast, 100% oil-free air minimizes component wear and contamination, translating into lower maintenance costs, greater uptime, and longer equipment lifespan.

Moreover, in applications such as pipeline purging and pressure testing, the presence of oil in compressed air may pose serious safety hazards, including the risk of explosion.

Beyond Oil: Managing Water and Particulate Contaminants

Even ambient air contains moisture. When air is compressed, its water content increases dramatically. This water vapor condenses as the air cools, leading to pipeline corrosion, equipment failure, or product quality degradation.

To address this, Atlas Copco offers heatless regenerative adsorption dryers, which deliver a pressure dew point below -40°C, and in some systems, as low as -70°C, significantly reducing the risk of moisture-related damage.

Air also contains microscopic particles invisible to the naked eye, which can impact product consistency and damage precision equipment. Atlas Copco’s high-efficiency dust filters remove particles down to 0.01 μm, ensuring product stability and equipment reliability.

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