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  • Micron size guide
    Application Recommended
    Sizing ( microns)
    Cooling Tower Bleed-off / Blowd 5-55
    Closed loop filtration 5-55
    Tower Basin Cleaning / Sweeper Jet 5-55
    Cartridge replacement 2-55
    Protection of Heat exchangers 5-55 Consult with manufacturer
    Invasive Species 40-70 For larva removal
    Membrane Protection 70-300
    Coal Ash 20-50 depends on process treatment train

Closed Loop Filtration

Closed loop or chiller loop systems require filtration to maintain peak operating efficiency.  While closed loop systems are not exposed to the high levels of dirt load and debris that are typically found in an open tower or condenser loop, it is still important to provide an adequate level of filtration and protection to the system. 

A PEP Filter system should be installed into a chiller loop to protect the chillers, compressors, heat exchangers and other equipment from plugging and scale build up.  By doing so one can rest assured that scale, corrosion, biofilm, dirt, iron oxides, and suspended solids will be removed to prevent long-term damage to the equipment.


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