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Van Air Systems' Special Purpose, Type SP, is an absorbent deliquescent desiccant
formulated for single and sequential tower compressed air dryers. SP is a hard tablet
formed from hygroscopic materials that attract and hold moisture. The materials in the
compound are non-toxic and are completely soluble in water.
As the desiccant tablet draws water vapor out of the compressed air, the surface of
the tablet slowly dissolves and forms a solution which eventually drops from its surface.
The deliquescent desiccant tablet continues to remove moisture and forms this solution
until the tablet is entirely consumed. When used in a properly sized single or sequential
tower desiccant air dryer, SP will remove sufficient moisture vapor to establish a 33% RH
in the air line.
Recommended for use where the operating temperature is at or below 80° F, SP is
specially formulated to be used as a first stage absorbent desiccant in the compressed air
dehydration process. This deliquescent desiccant is also highly recommended for point of use
applications. When applied in higher operating temperatures, a pre-bed of ceramic bead support
is recommended to maximize the efficiency of the absorbent desiccant.
For over sixty years, Van Air Systems has been an industry leader in absorbent
desiccant technology. Please contact us today at 1-800-840-9906 or Email Us
with any questions you may have or to place your order.
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