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W ater T ech

W ater T ech. Thermally Bonded (Melt Blown) Polypropylene Filter Cartridges. Water Tech Thermally Bonded Filter Cartridges. Advantages vs. String Wound: Higher Capacity Graded Density No Surface Blinding Less Fouling No Fiber Unloading No Chemical Leaching Higher Flow Rate

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W ater T ech

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  1. Water Tech Thermally Bonded (Melt Blown) Polypropylene Filter Cartridges

  2. Water Tech Thermally Bonded Filter Cartridges Advantages vs. String Wound: Higher Capacity • Graded Density • No Surface Blinding Less Fouling • No Fiber Unloading • No Chemical Leaching Higher Flow Rate • Low Pressure Drop • Superior Structure Cost Effective

  3. Water Tech Thermally Bonded Filter Cartridges Higher Capacity: • Graded Density • Denser inner layers, more lower density outer layers. • No Surface Blinding • Particles trapped throughout cross-section of filter.

  4. Water Tech Thermally Bonded Filter Cartridges Less Fouling: • No Fiber Unloading • Made of continuous melt-blown filaments. • No fibers migrate to RO. • No Chemical Leaching • No chemicals used in melt blown process. • No downstream foam in filtrate. • Higher Dirt Holding Capacity

  5. Water Tech Thermally Bonded Filter Cartridges Higher Flow Rate: • Low Pressure Drop • Three-dimensional, rigid, low pressure structure. • Improved solid to void ratio for higher flow rates with low pressure drop. • Superior Structure • 100% pure polypropylene homo-polymer • Polypropylene core • Wide chemical compatibility. • Excellent micro-organism resistance. • Excellent end sealing. • Easy disposal, incinerates to trace ash.

  6. Test Method: Retention Efficiency andCapacity per ASTM F795Instrumentation: LD 400 SN 95020054 Fluid: WaterTemperature: AmbientContaminant: ISO Fine Test Dust Test Method: Retention Efficiency andCapacity per ASTM F795Instrumentation: LD 400 SN 95020054 Fluid: WaterTemperature: AmbientContaminant: ISO Fine Test Dust Test Method: Efficiency and Capacityper ASTM F795-88Instrumentation: LD 400 SN 95020054 Fluid: WaterTemperature: AmbientContaminant: ISO Fine Test Dust Test Method: Water atambient temperature (25 °C.)Flow in US gallons per minute Water Tech Thermally Bonded Filter CartridgesPerformance Data:

  7. Water Tech Thermally Bonded Filter Cartridges Cost Effective: • Less RO fouling • Less labor requirement • Less equipment downtime

  8. Water Tech Thermally Bonded Filter Cartridges Applications: • RO Pretreatment (SDI Reduction) • Drinking Water and Beverage Processing • Sea Water Desalination • Deep Well Injection • Gas Purification • Cooling Tower Water Filtration • Electronics and Electroplating • Industrial Process Water • Pharmaceutical & Healthcare • Chemical Industry • ED Automotive Paint • Photographic Solutions • Wastewater Disposal • And more …

  9. Conventional String Wound Filter Cartridges Problems with Conventional String Wound Media: • Fiber Unloading • Short fibers not properly or fully locked into main body. • Fibers come loose and migrate to RO or filtrate. • Loose fiber ends clearly seen in spiral wound yarn media. • Chemical Leaching • String Wound yarn finish chemicals (lubricants, surfactants, antistatic agents, emulsifiers, bactericides, etc.) leach out. • Can cause foaming in filtrate. • Surface Blinding • Low Dirt Holding Capacity • Typically Higher Pressure Drop String Wound Yarn Media

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