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Air Treatment

Our AIR Treatment systems complement our rotary screw air compressors perfectly. Comprised of dryers that match the capacity of our compressors, filters, drains, oil/water separatorsand other air treatment accessories. These products combine to offer you a truly integrated compressed air contaminant removal system.

Refrigerated Air Dryers

Sullair RD Series Refrigerated Digital Cycling DryerRefrigerated dryers are the most common as they condense moisture from compressed air by cooling the air in heat exchangers chilled by refrigerants. These dryers produce dew points in a range from 35° to 50° F at system operating pressure In addition to the pressure drop across the dryer (usually 3 to 5 psi), the energy to run the refrigerant compressor must be considered. Sullair offers models ranging from 5 to 6000 scfm, you can specify the Sullair dryer that is virtually customized to your requirements.
Click on a link below for more information on refrigerated air dryers.

Regenerative Air Dryers

Twin tower regenerative air dryers are the dryers of choice when traditional refrigerated dryers do not provide sufficient air quality required for today's applications. The dryer utilizes activated alumina for efficient drying of compressed air and will operate under extreme environmental conditions. Activated alumina is aluminum oxide that is highly porous and exhibits tremendous surface area (350 sq. meters/gram). Activated alumina is resistant to thermal shock and abrasion. It has a smooth, uniform ball size that prevents channeling of the air flow, which maintains low bed velocities. This maintains air contact time for efficient moisture removal and minimal pressure drop. These dryers are made for outdoor compressed air piping and operations that require an extremely low dew point to −40°F (−100ºF optional). By combining the proven benefits of desiccant drying with the most advanced designs, ACES offers an extremely compact, customizable, and reliable system to clean and dry compressed air for the most critical applications.
Click on a link below for more information on desiccant air dryers.

Beko DRYPOINT M Membrane Air Dryer

DRYPOINT ®M membrane modules are a real alternative to conventional compressed air dryers, especially as far as drying at the terminal station is concerned. Particularly in the low range of performance and in cases where drying orientates itself on the ambient conditions, DRYPOINT ®M offers many advantages in contrast to methods which function using fixed pressure dew points. Through the application of DRYPOINT ®M membrane dryers, the user gets his compressed air as dry as is required for his individual application purposes.The range of products now comprises 13 sizes, each with up to 3 different types. In addition, custom-made types are available for special purposes. As regards higher output ranges, a special head with flange has been developed for the parallel connection of membrane dryers, allowing easy and space-saving installation


Domnick Hunter filtration protects your plant equipment and processes, improve your product quality, reduce your energy costs and are matched perfectly to system capacity. The compressed air reaching your equipment is virtually free of lubricants, particulates, and aerosols. From general purpose to high quality compressed air applications, Domnick Hunter filters protect your plant equipment and processes, improve your product quality and reduce your energy costs. Available from 13 to 16,500 scfm, 15 to 725 psig, 35°F and 250°F, ISO 8573.1 quality classes, we offer filters for instrumentation, food processing, and pharmaceutical production.

Mist Eliminators

We have your answer to the ever-increasing industry demands for clean, high-quality compressed air, efficient removal of oil-mist carryover from piston or oil-flooded rotary compressors. As you may well know, compressed air processing equipment must have a very low pressure drop, long service life, and be strong enough to withstand the harshest operating conditions. Sullair's Mist Eliminators protect you from slugs of oil or compressor air/oil separator failures. Sullair's new range of Mist Eliminators is specifically designed to meet these demands and will optimize oil removal while ensuring extremely low pressure drop and long service life.

Oil Water Separators

Easy to install, operate and maintain, Sullair's OS Series oil/water separators remove and dispose of lubricant-contaminated compressor condensate and assures clean discharge water all in compliance with environmental laws. Sullair's separators collect water condensate in the compressed air system and can be installed on-site providing rapid payback over conventional disposal methods.

Condensate Drains

Sullair's SCD-100 and SCD-200 compact zero air loss drains are the perfect complement to Sullair filters, water separators, and small refrigerated dryers. The larger sized drains, models SCD-300, 400, and 500, are designed for higher condensate volumes, as in compressor intercoolers, aftercoolers, air receivers, refrigeration dryers and large separators. Key benefits of condensate drains are; energy savings, removes liquid condensate, removes risk of condensate carry-over, protects equipment and downstream processes, and long service intervals with safe, easy maintenance.

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