Sullair Desiccant Compressed Air Dryers
Sullair Desiccant Compressed Air Dryers are engineered for the most critical applications, providing clean, dry air where you need it most. They are ideal for applications that require an extremely low dewpoint of
−40∘F/−40∘C. The dual-tower design uses desiccant material to adsorb moisture from saturated compressed air, ensuring downstream equipment is protected from contamination.


Sullair Desiccant Dryer: SAV Series
The SAV Series uses a combination of an external heat source and a blower to regenerate the desiccant material, using an average of only 2% of the process air. This three-tiered method helps optimize the drying process and maximize energy cost savings.
Key Features:
- Blower regeneration technology with a heat source helps save energy.
- An Allen-Bradley® PLC Color Touch Screen Controller is included.
- The Sullair Desiccant Dryer (SDD) Energy Management System matches supply to demand for up to 80% energy savings.
- Engineered to stand up to harsh environments.
- Remote monitoring of operation status, data trends, and alarms via email or text alerts is available.
Technical Specifications:
Average Purge Air: 2%.
Flow Rate: 500 to 7500 cfm.
Dewpoint Performance: −40∘F/−40∘C.
Sullair Desiccant Dryer: SA Series (Externally Heated)
The SAH Series is an energy-efficient option that uses an external heat source to enhance the regeneration process. This method reduces process air loss, consuming an average of only 8% of the air during regeneration.
Key Features:
- An external heat source helps save energy.
- Includes an Allen-Bradley® PLC Color Touch Screen Controller.
- The Sullair Desiccant Dryer (SDD) Energy Management System matches supply to demand for up to 80% energy savings.
- Features a heatless backup for more uptime and dewpoint control.
- Engineered to stand up to harsh environments and includes a rugged frame with forklift pockets.
Technical Specifications:
Average Purge Air: 8%.
Flow Rate: 500 to 3000 cfm.
Dewpoint Performance: −40∘F/−40∘C.


Sullair Desiccant Dryer: SA Series (Heatless)
The SA Series uses a portion of dried process air to regenerate the desiccant material. This is an economical and reliable option for applications that require extremely low dewpoints.
Key Features:
- Provides −40∘F/−40∘C dewpoint performance.
- A high-performance switching valve system delivers worry-free operation.
- The standard controller is an Allen-Bradley® PLC Basic Controller.
- Optional enhanced and advanced controllers are available with features like a touch screen and the SDD Energy Management System for up to 80% energy savings.
- Engineered for harsh environments and comes with a NEMA 12 enclosure.
Technical Specifications:
Average Purge Air: 15%.
Flow Rate: 55 to 3000 cfm.
Dewpoint Performance: −40∘F/−40∘C.
Sullair Desiccant Modular Compressed Air Dryer: DMD Series (Modular)
The DMD Series is a compact and completely automatic desiccant dryer designed for point-of-use placement. Its modular design is ideal for smaller applications where space is a concern.
Key Features:
- Compact design with a mini PLC monitor.
- Inlet and purge manifold design for low pressure drop.
- Energy-efficient demand cycle control is an available option.
- Offers dewpoint options of −4∘F (−20∘C) or −100∘F (−73∘C).
Technical Specifications:
Min/Max Inlet Air Temp: 50∘F/122∘F.
Flow Rate: 3 to 240 cfm.
Min/Max Operating Pressure: 58/232 psi.

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