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When moisture control is critical, desiccant air dryers deliver the highest level of compressed air purity. At Compressor Systems, our CMD Desiccant Dryer Range is engineered to provide reliable, energy-efficient drying for industrial compressed air systems where consistent performance and low dew points are essential.Designed for demanding applications, our compressed air desiccant dryers protect equipment, processes, and end products by eliminating moisture, preventing corrosion, and ensuring stable air quality in all operating conditions.
What Is a Desiccant Air Dryer?
A desiccant dryer is a compressed air drying solution that removes water vapour by adsorbing moisture onto high-performance desiccant material, such as a molecular sieve. Unlike refrigerated dryers, desiccant air dryers achieve much lower pressure dew points, making them ideal for applications where even minimal moisture can cause damage or downtime.
The CMD range operates as a heatless regenerative desiccant dryer, delivering pressure dew points between -20°C and -40°C, ensuring clean, dry, and oil-free compressed air compliant with ISO 8573-1 international air quality standards
CMD Desiccant Dryer Range
The CMD Desiccant Dryer Range covers flow rates from 0.5 to 84 m³/min (17–2,966 cfm), making it suitable for everything from small industrial installations to large-scale compressed air systems
Unlike traditional timed-cycle dryers that waste energy during low demand, CMD dryers feature automatic switching with dew point control as standard, allowing the system to respond intelligently to real-time air usage. This significantly reduces regeneration air consumption while maintaining a constant and stable pressure dew point.
| Model | Flow Rate (Nm³/min) | Inlet / Outlet | Length (mm) | Width (mm) | Height (mm) | Power Supply (V) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| CMD-5 | 0.5 | Rp3/4 | 330 | 350 | 550 | 230 | 35 |
| CMD-010 | 1.0 | Rp3/4 | 223.5 | 350 | 1000 | 230 | 50 |
| CMD-015 | 1.5 | Rp3/4 | 223.5 | 350 | 1300 | 230 | 60 |
| CMD-025 | 2.5 | Rp3/4 | 223.5 | 350 | 1600 | 230 | 70 |
| CMD-035 | 3.5 | Rp1-1/2 | 631 | 400 | 1640 | 230 | 112 |
| CMD-070 | 7.0 | Rp1-1/2 | 806 | 400 | 1640 | 230 | 164 |
| CMD-105 | 10.5 | Rp2 | 981 | 400 | 1640 | 230 | 216 |
| CMD-140 | 14.0 | Rp2 | 1156 | 400 | 1640 | 230 | 268 |
| CMD-175 | 17.5 | Rp2-1/2 | 1331 | 400 | 1640 | 230 | 320 |
| CMD-210 | 21.0 | Rp2-1/2 | 1506 | 400 | 1640 | 230 | 372 |
| CMD-245 | 24.5 | Rp2-1/2 | 1681 | 400 | 1640 | 230 | 424 |
| CMD-280 | 28.0 | Rp2-1/2 | 1791 | 400 | 1640 | 230 | 468 |
| CMD-350 | 35.0 | DN80 | 1331 | 947.5 | 1627 | 230 | 618 |
| CMD-420 | 42.0 | DN100 | 1506 | 947.5 | 1627 | 230 | 746 |
| CMD-490 | 49.0 | DN100 | 1681 | 947.5 | 1627 | 230 | 842 |
| CMD-560 | 56.0 | DN125 | 1791 | 947.5 | 1627 | 230 | 944 |
| CMD-630 | 63.0 | DN125 | 1506 | 1422.5 | 1625 | 230 | 1186 |
| CMD-735 | 73.5 | DN125 | 1681 | 1422.5 | 1625 | 230 | 1362 |
| CMD-840 | 84.0 | DN150 | 1791 | 1422.5 | 1625 | 230 | 1525 |
Heatless Regenerative Desiccant Dryer Technology
CMD dryers are built on proven heatless regenerative modular adsorption technology, widely recognised as one of the most dependable desiccant dryer designs available. By regenerating the desiccant using a controlled portion of dry compressed air, these systems eliminate the need for heaters while maintaining continuous drying performance.
This design delivers:
- Lower energy consumption
- Reduced operating costs
- High reliability with minimal maintenance
- Safe and practical operation across a wide range of industrial applications
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Energy Efficiency & Modular Design
The CMD desiccant air dryer system uses a compact modular design, moving away from traditional bulky structures. Each module includes an independent diffusion function, ensuring uniform airflow and maximising desiccant utilisation.
Combined with high-quality adsorbents and an intelligent control system, this design:
- Minimises regeneration gas consumption
- Reduces overall energy usage
- Occupies less than half the space of conventional desiccant dryers
- Lowers long-term operating costs
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Durable Construction & Long Service Life
Built for long-term industrial use, CMD desiccant dryers feature:
- 6063-T5 aviation-grade aluminium alloy construction
- Stainless steel fasteners to prevent corrosion
- Anti-oxidation and anti-corrosion treatments
This construction prevents secondary contamination from rust and ensures a service life of up to 30 years, even in harsh operating environments
Advanced Components & Stable Performance
Each CMD compressed air desiccant dryer incorporates high-quality components to ensure consistent and reliable operation:
- Precision pneumatic components from globally recognised manufacturers
- Double-stage O-ring sealing for superior leak prevention
- Patented split diffuser design to ensure uniform airflow and prevent desiccant tunnelling
- High-efficiency molecular sieve adsorbents for superior moisture removal
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A spring compression device and advanced filling technology further ensure a stable dew point over the life of the dryer.
Intelligent Control & Monitoring
CMD desiccant air dryers are equipped with an intelligent energy-saving controller that includes:
- Dew point control as standard
- Real-time system dew point display
- Remote start/stop capability
- Timer control
- Operational and alarm output signals
- Modbus RTU communication
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This level of control allows precise moisture management while maximising energy efficiency and system reliability.
Hassle-Free Installation & Compliance
CMD dryers are designed to simplify installation and ownership. Thanks to their modular adsorption design:
- No pressure vessel registration or testing is required
- Maintenance is straightforward and cost-effective
- Systems integrate easily into existing compressed air installations
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Why Choose Compressor Systems Desiccant Air Dryers?
Choosing a desiccant air dryer is about more than just initial cost. The CMD range prioritises:
- Energy efficiency
- Low operating and maintenance costs
- Stable, high-quality compressed air
- Long-term reliability and durability
At Compressor Systems, we are committed to delivering dependable compressed air solutions that perform consistently over time.
Find the Right Desiccant Air Dryer
With a wide range of capacities and configurations available, our team can help you select the ideal desiccant dryer for compressed air based on your flow rate, pressure, temperature, and application requirements.
