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Film Fills are the most efficient filling media available for cooling towers. The usage of film fills – in both counterflow and crossflow cooling towers allows relatively smaller sized towers to cool an equivalent amount of water compared to cooling towers using splash fills. This results in the saving of not only capital costs for a new tower but also reduces operational costs on account of lower height and hence lower pumping costs.
Film Fills work on the principle of offering heat exchange by spreading the falling water droplets into a thin molecular film where the air can effectively contact the entire surface of the water film to carry away heat and mass.
Minimum resistance to air flow
Good distribution of water leads to turbulent mixing of air and water to maximize heat transfer.
Reduced fill height and greater cooling capacity results in lower power consumption.
Erosion and rotting resistant and long lasting (10-12 years of service time in good quality water)
Self-supporting, high strength and self-extinguishing characteristics
Resistance to weather exposure (fungii/oxidation) ; Nearly impervious to chemical degradation by Alkali, acid, grease, fats, oils and biological attack
Easy to glue at site, reduces transportation cost.
|Primary Cooling Towers Application||Counterflow|
|Flute height||12 mm|
|MOC||Rigid PVC (Virgin and reprocessed)|
|Longitudinal pitch||37.5 mm|
|UV Stabilization||White – Titanium Dioxide|
Black – Carbon Black
|Std. Sheet size|
L x W
|600mm x 300mm|
|Recommended Max Fill Sheet size L x W||1200 mm x 600 mm|
|Surface area per unit volume||258 m²/m³|
|Standard Weight||26.5 Kgs/m3|
|Maximum continuous Operating temp.||55 °C|
|Minimum Fill Sheet Finished Thickness||0.175 mm|
|Standard Followed for Material properties||CTI STD-136|
|Characteristics||Units||CD – AW||CD-12|
|Cooling Tower Application||Air Washer||Counterflow|
|Std. Sheet size L x W||mm x mm||600×300||600×300|
|Max Recommended Fill Sheet|
size L x W
|mm x mm||600×600||2400×600|
|Surface area per unit volume||M²/m³|
|Standard Sheet Thickness||mm|