In the world of industrial compressed air systems, maintaining air quality is paramount for operational efficiency, equipment longevity, and cost-effectiveness. Atlas Copco, a global leader in compressed air solutions, offers a comprehensive range of air compressor filters designed to meet the most demanding filtration requirements. This article explores the advanced filtration technologies, product features, and benefits of Atlas Copco air compressor filters.

Contents
Why Air Compressor Filters Matter
Compressed air systems are vulnerable to various contaminants that can significantly impact performance and reliability. Without proper filtration, these systems face challenges from dry dust, oil aerosols, wet particles, oil vapors, water droplets, and microorganisms. Atlas Copco’s engineered filtration solutions address these challenges by reducing leaks, blockages, and moisture while ensuring efficient, long-lasting compressor performance.
The importance of quality filtration extends beyond simple contamination removal. Proper filtration systems deliver three critical benefits: lower operating costs through reduced energy consumption and maintenance expenses, enhanced air purity that meets stringent industry standards, and extended equipment lifespan by preventing contamination-related wear and tear.
Atlas Copco Filter Technologies
Atlas Copco employs multiple specialized filtration technologies, each designed to tackle specific airstream threats effectively:
Wrapped Media for Wet Particles: The company’s patented Nautilus technology combines multiple wrapped layers, offering superior durability in wet and oil-contaminated environments. This technology ensures constant air quality at the lowest pressure drop, even under harsh working conditions.
Pleated Media for Solid Particles: Optimized for capturing dry particulates, pleated media features a large surface area that ensures longer filter service lifetime and lower pressure drop. This technology is particularly effective for applications requiring solid particle removal.
Macro-structured Activated Carbon: With a larger surface area compared to typical carbon filter media, this technology provides superior adsorption capacity and steady performance over extended periods, making it ideal for oil vapor removal.
Cyclone Technology for Water: Utilizing centrifugal forces, cyclone technology ensures proper separation of liquid water droplets from the air flow, providing efficient water removal without compromising system performance.

Product Range and Applications
Atlas Copco offers an extensive range of filters to address various contamination challenges:
Filter Series | Grade | Primary Contaminant | Design Options |
---|---|---|---|
DDp+ | Rough | Dry dust | Flanged |
PDp+ | Fine | Oil aerosol/wet dust | Flanged |
DD+ | Rough | Dry dust | Threaded |
PD+ | Fine | Oil aerosol/wet dust | Threaded |
UD+ | Ultimate | Oil vapor | Threaded |
QD+ | Basic | Special applications | Threaded |
QDT+ | Optimal | Special applications | Tower |
For specialized applications, Atlas Copco also provides high-pressure (H) and silicone-free (SFA) filter options, ensuring comprehensive coverage for diverse industrial requirements.
ISO 8573-1:2010 Compliance
Atlas Copco filters are designed to meet international air purity standards according to ISO 8573-1:2010. This standard classifies compressed air quality based on solid particles, water content, and oil content. The following table shows how Atlas Copco filters achieve various ISO classes:
ISO Class | Solid Particles | Water Management | Oil Removal | Recommended Configuration |
---|---|---|---|---|
1 | DD+ & PD+ | Desiccant dryer | UD+ & QD+/QDT | Premium applications |
2 | DD+ | Desiccant/rotary drum dryer | UD+ | High-quality requirements |
3 | DD+ | Multiple dryer options | DD+ | Standard industrial use |
4 | DD+ | Membrane/refrigerant dryer | DD+ | General applications |
Innovative Features
Atlas Copco incorporates several innovative features that set their filters apart from conventional solutions:
inPASS™ Bypass Technology: This revolutionary built-in bypass allows filter servicing without disrupting air flow. This innovation eliminates the need for expensive external piping bypasses, reduces operating costs, and minimizes maintenance downtime.
Advanced Service Indicators: These indicators provide real-time monitoring of filter performance, including running hours, differential pressure, and maintenance status. The system can even send remote alerts, ensuring optimal maintenance timing and consistent air quality.
Modular Design Options: Available in flanged, threaded, and tower configurations, Atlas Copco filters can be integrated into various system architectures, providing flexibility for both new installations and retrofits.
Typical Installation Configurations
Atlas Copco provides several standard installation examples that demonstrate how their filters can be combined to achieve specific air purity classes:
- Configuration A: Compressor + UD+ filter achieves ISO 8573-1:2010 [1:-:2] class
- Configuration B: Compressor + UD+ + Refrigerant dryer achieves [1:4:2] class
- Configuration C: Compressor + UD+ + Refrigerant dryer + QDT + DDp+ achieves [2:4:1] class
- Configuration D: Compressor + UD+ + Desiccant dryer + DDp+ achieves [2:2:2] class
- Configuration E: Compressor + UD+ + Desiccant dryer + QDT + DDp+ + PDp+ achieves [1:2:1] class
Selecting the Right Filter
Choosing the appropriate Atlas Copco air compressor filter requires careful consideration of several factors:
- Contaminant Identification: Determine which contaminants are present in your system – dry dust, oil aerosols, wet particles, oil vapors, water droplets, or microorganisms.
- Air Purity Requirements: Establish the required ISO 8573-1:2010 class for your specific application.
- System Configuration: Consider existing equipment and space constraints to determine the optimal filter design (flanged, threaded, or tower).
- Operating Conditions: Evaluate pressure requirements, flow rates, and environmental conditions that may affect filter selection.
Related Products
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Maintenance and Service Benefits
Atlas Copco’s commitment to operational efficiency extends to maintenance considerations. The inPASS™ bypass technology significantly reduces maintenance complexity and costs. Service indicators provide clear guidance on when maintenance is required, preventing both premature filter changes and extended operation beyond optimal performance periods.
The company’s global service network ensures that replacement parts and technical support are readily available, minimizing downtime and maintaining system reliability.
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C9 Atlas Mobile 250H Maintenance Kit 3001500000
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3002608800 Atlas Copco 400h Service Maintenance Kit
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Atlas Copco Air Compressor 2000-Hour 2912433206 Service Kit
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Economic Impact
Investing in quality Atlas Copco air compressor filters delivers measurable economic benefits. Proper filtration reduces energy consumption by maintaining optimal system pressure differentials. It minimizes maintenance costs by protecting downstream equipment from contamination damage. Additionally, it extends the service life of pneumatic tools and equipment, reducing capital replacement costs.
The total cost of ownership for Atlas Copco filtration systems is optimized through their efficient design, reliable performance, and comprehensive service support, making them a cost-effective choice for industrial applications.
Conclusion
Atlas Copco air compressor filters represent a comprehensive solution for compressed air purity challenges. Through advanced filtration technologies, innovative features like inPASS™ bypass and intelligent service indicators, and compliance with international standards, these filters deliver superior performance and reliability.
Whether you need basic contamination removal or ultra-pure air for critical applications, Atlas Copco’s extensive product range and expert support ensure optimal filtration solutions. The combination of technical excellence, innovative design, and global service support makes Atlas Copco air compressor filters the preferred choice for industries demanding reliable, efficient compressed air systems.
For organizations serious about compressed air quality, Atlas Copco filters offer the perfect balance of performance, reliability, and cost-effectiveness, ensuring optimal system operation and long-term value.
Reference
1.How do I find the right air compressor filter for my application? – https://www.atlascopco.com/en-us/compressors/products/air-filters