Dryspell Series Instruction Manual
GENERAL
Compressed air is a vital energy medium used in almost all areas of industrial production. The
atmospheric air taken in by the compressor contains contaminants, dirt particles and humidity,
i.e. water vapor which condenses in compressed air pipes. The condensation can lead to
considerable costs (corrosion, freezing, etc.). These costs can be avoided by the application
of a Dryspell Series dryer. This complete purification system includes an optional prefilter with
automatic condensate drain, heatless adsorption dryer and in built afterfilter. The Dryspell
series with optional Prefilter(Recommended) is specially made for small compressed air
flows, is compact, easy to maintain, and comes standard with
Electronic controller with manual purge economizer and compatible with dew point
sensor for automatic purge control
Electronic drain valve on the inlet filter
A inbuilt 3-micron particulate after-filter (within the diffuser screen or Compactor plate)
to protect downstream equipment from desiccant fines.
Design
The air enters the coalescing prefilter where solids and condensates (oil/water mixture) are
retained up to a residual oil content of 0.01mg/cu.m. The heatless regenerative dryer then
adsorbs moisture from the compressed air stream down to an atmospheric dew point (ADP)
of –40°F at standard inlet conditions (100°F, 100% saturated, 100psig). Finally the in built
after filter removes any desiccant fines before they can travel downstream.
Models
Dryspell Models
SCFM
10 10
20 20
30 30
45 45
60 A 60
100 100
125 125
200 200
250 250
300 300
375 375
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