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QHD Heatless Dessicant Dryer

Quincy

QHD Heatless Dessicant Dryer

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QHD Heatless Desiccant Dryer

Quincy QHD heatless desiccant dryers use a small portion of dried, compressed air to purge and regenerate the off-line tower. The QHD has been engineered to ensure optimal performance and efficiency in a range of different applications while keeping downtime to a minimum.

 

The QHD series of desiccant dryer systems includes 13 models that deliver between 230 and 3,400 CFM of clean, dry air at a pressure of 100 psig. All feature a heavy-duty steel base and dual tower configuration that regenerates automatically.

 

Under normal operation, air is forced upwards through the drying tower, where moisture and contaminants are removed and a small amount — 15% — of air is diverted downwards through the regeneration tower where it depressurizes the desiccant bed to ambient conditions. Overall velocities are kept below 50 feet/minute so that air remains in contact with the desiccant for a minimum of 4.5 seconds. The entire process follows a 6-10 minute NEMA cycle, which consists of three to five minutes of drying time, 2 minutes and 25 seconds to 4 minutes and 20 seconds of regeneration and 40 seconds of re-pressurization.

 

Like all our desiccant-type air dryers, the QHD heatless air dryer system includes high-quality components and is backed by a two-year comprehensive warranty. For details, download the product brochure or contact a Quincy rep directly.

 

Initial cost: Low

Operating cost: Moderate to high

Maintenance cost: Low

-40° to -100°F dew point

230 – 3,400 cfm

15% purge

Microprocessor control

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