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Offset Flute Fill

Offset Flute Fill is a hybrid cooling tower heat-transfer media designed to combine the thermal efficiency of cross-fluted film fill with the clog resistance of vertical low-fouling fill. Engineered for industrial cooling towers handling moderately contaminated water, it delivers strong cooling performance while reducing fouling, airflow restriction, and maintenance issues.

  • Power generation cooling towers
  • Petrochemical processing facilities
  • Chemical manufacturing plants
  • Steel and metal processing industries
  • Food processing cooling systems
  • Industrial cooling towers with moderate fouling conditions

These nozzles are built to handle varying industrial conditions while maintaining consistent spray performance.

  • Hybrid flute design combines high thermal efficiency with low fouling performance
  • Steep vertical channels improve water velocity and reduce sediment buildup
  • Cross-lateral geometry improves water redistribution across the fill surface
  • High-shear water flow helps minimize slime, scale, and biofilm formation
  • Low airside pressure drop reduces fan energy consumption
  • Open internal structure improves airflow and reduces clogging risk
  • Glue-free mechanical bond options improve module rigidity and durability
  • Precision-trimmed edges improve module alignment and water distribution
  • UV-stabilized polymer construction resists chemical attack and outdoor degradation
  • Reduces structural loading caused by excessive debris accumulation

It is engineered for industrial cooling tower systems operating with moderately contaminated process water.

  • Product Type: Offset Fluted Cooling Tower Fill
  • Tower Compatibility: Counterflow Cooling Towers
  • Water Quality Tolerance: Moderate suspended solids and contaminated process water
  • Corrugation Flute Height: 0.82 in (20.8 mm)
  • Specific Surface Area: 45 ft²/ft³ (147.8 m²/m³)
  • Void-to-Volume Ratio: Minimum 95% open area
  • Material Thickness Options:
    • 10 mil (0.25 mm)
    • 15 mil (0.38 mm)
  • Material Options: PVC, High-Temperature PVC (HPVC), Polypropylene (PP)
  • PVC Temperature Limit: Up to 160°F (71°C)
  • HPVC Temperature Limit: Up to 175°F (79°C)
  • Construction Compliance: CTI Standard 136 compliant
  • Standard Module Heights: 11.8 in (300 mm) and 23.6 in (600 mm)
  • Module Width: Up to 18 in (458 mm)
  • Module Length Range: 12 in to 120 in (305 mm to 3,048 mm)

Additional information

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