DES CASE
HYGROSCOPIC BREATHERS
REMOVE MOISTURE & PARTICULATE BEFORE THEY ENTER THE SYSTEM
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A. Vent Holes B. Low Density Foam Filter C. Knitted Polyester Filter Element D. Desiccant Crystals E. Polyester Filter F. Foam Filter G. Standpipe
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Air enters the breather through the vent holes at the bottom of the unit (A) it contacts a low-density foam filter (B). The air then passes through a knitted polyester filter element (C) that retains all particulate matter down to three micron absolute. The air passes through a stack of desiccant crystals (D), these remove the water vapor. The desiccant is chemically inert, non-toxic and non corrosive. The air passes through a 2nd polyester filter (E) and foam filter (F), this is to ensure that no particles from the desiccant stack enter the reservoir. The clean, dry air flows through the standpipe (G) into the reservoir, assuring maximum protection of components and fluids.
| When the water vapor is absorbed in the breather the desiccant stack changes slowly from blue in color to pink in color. The pink indicates the need to replace the unit. |  |