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Pneumatic Products - Model SHA Series -Heatless Modular Desiccant Air Dryers for Moisture Control
Pneumatic Products' SHA Series Modular Desiccant Air Dryers are engineered to provide a seamless supply of dry compressed air, essential for moisture-sensitive environments like laboratories, hospitals, and pharmaceutical manufacturing facilities. This series is designed for applications requiring low-pressure dew points, delivered at ISO 8573-1:2010 Class 1 and Class 2 standards. The SHA Series operate on a proven dual-tower system, facilitating continuous air drying by cycling compressed air through one desiccant bed while regenerating the other. Standard operational features include automatic valve cycling governed by a solid-state timer, ensuring efficient regeneration and pressurization processes. Tower regeneration employs a portion of the air output, directed through low-pressure pathways to minimize resource use. These dryers accommodate flow rates ranging from 7 to 40 scfm, meeting the demands of various high-tech applications. Their compact design allows for easy installation in confined spaces, complementing their reliable operation.
SHA Series Modular Desiccant Air Dryers are ideal for point of use, laboratories and confined areas. They provide a continuous supply of dry compressed air by automatically cycling the flow of air through two desiccant beds.
Pneumatic Products’ SHA Series Modular Desiccant Air Dryers protect moisture sensitive applications requiring low pressure dew points. Delivers dew points of ISO 8573-1: 2010 Class 1 (-94°F, -70°C) and Class 2 (-40°F, -40°C) with flow rates of 7 to 40 scfm (12 to 68 nm3/h). Critical applications include labs, hospitals, pharmaceutical manufacturing and other high-tech installations.
The SHA Series incorporate a time proven design, with superior features and reliability, in a compact and easy to install package.
Compressed air enters the dryer and is directed to Tower 1 by valve (A), and then to the dryer outlet through shuttle valve (B). A portion of the dried air is throttled to near atmospheric pressure by means of orifice (C). This extremely dry, low-pressure air flows through and regenerates the desiccant in Tower 2 and is exhausted through purge/repressurization valve (D) and exhaust muffler (E) to atmosphere. After a set time, the automatic solid state timer closes purge/repressurization valve (D) allowing Tower 2 to repressurize slowly. At the end of 2 minutes, valve (A) shifts and purge/ repressurization valve (D) reopens. The main air flow is now dried by Tower 2 while Tower 1 is being regenerated.