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Water Absorbing Elements

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The Hilco Hilsorb PD Series Super-Absorbent Dryer Cartridge combines high efficiency particulate filtration with high-capacity water absorption in a single pleated cartridge. The Hilsorb cartridge excels in applications requiring moisture control and high filtration efficiency such as insulating, hydraulic, lube and fuel oils.


The Hilsorb dryer features high-volume solid particulate and water removal capacity. The patented pleated construction permits higher flow rates at lower pressure drops than other dryer cartridges. The proprietary agreement of the media layers provides a low pressure drop through the useful life of the cartridge, but as it nears satruation with water, the pressure drop increases to signal the need for a change.


The high capacity Hilsorb saves money by processing more gallons of oil with fewer changes. it maintains high dielectric strength and greater stability in transformer oils. Hydraulic equiplent is protected from water damage while long life is assured through high filtration efficiency.



• Insulating Oils

• Hydraulic Oils

• Lubes

• Fuel Oils



• High water-holding capacity

• Efficient particulate removal

• Low initial pressure drop

• High flow rate

• Increasing pressure drop signals saturation


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