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PVC Film Fill
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.
Advantages
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.
Our Product Range
Cooling towers using CD-12 fills must have little to no contamination from oil, grease or process dust.CD-12 is a cross fluted film fill that works on the principle of water droplets developing a fine film on the surface of the media. The surface tension of the polymer holds the film long enough for efficient heat transfer with the ambient air.Features and Advantages
- In-house calendering units, which ensure proper fusion of PVC and other additives. The process thus imparts superior mechanical and physical properties to the fill sheet as well as also ensures uniform thickness on the sheet. Most fill manufacturers outsource the film from outside reprocessing units.
- Enhanced flat surface glue point locator along the flutes resulting in stronger modules and a better visible honeycomb
- Both sides have folded edges << edge folding sheet image>> that impart maximum strength at critical load bearing points. A double edge folded COOLFill CD-12 with a thickness of 0.175 mm (0.35 mm at the edges) will have the equivalent application strength of a comparable flute fill at 0.25 mm thick.
- Choice between Translucent White / White (UV+IR stabilized), Blue (resistant to direct sunlight), Black (UV stabilized) and fill media.
- Can be supplied in either module form from factory or assembled at location.
- Manufactured in PP and ABS for high temperature applications
Technical Specifications
| Characteristics | CD-12 |
|---|---|
| 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 |
| Spiral angle | 28° |
| 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 |
There are sectors where the makeup water may have TSS upto 100 on account of the source of the water. There may also be relatively poorer microbiological control. However it is assumed that the plant will be following some water treatment procedures including those for removal of oil and grease and heavy salts.Features and Advantages
- Virgin PVC resin is processed on in-house T-die/calendering units, which ensure proper fusion of PVC and other additives. The process thus imparts superior mechanical and physical properties to the fill sheet as well as also ensures uniform thickness on the sheet. Most fill manufacturers outsource the film from outside reprocessing units.
- Double folded edges that impart maximum strength at critical load bearing points. A double edge folded COOLFill CD-19 with a thickness of 0.25mm (0.5 mm at the edges) will have the equivalent application strength of a comparable flute fill at 0.38 mm thick.
- Minimum weight per unit volume assures easier handling and inexpensive support structures
- Both the top and bottom of the formed fill sheet have defined gluing points – an enhanced flat surface along the flutes. This results in reduced glue consumption per cubic meter of fill volume. For a fill which is mostly site assembled, this can give up to 30% saving in the glue consumption compared to similar products as well as a better visible honeycomb
- Choice between Black (UV stabilized) and Translucent White / White (UV+IR stabilized) fill media.
- Can be supplied in either module form from factory or assembled at location.
Technical Specifications
| Characteristics | CD-19 |
|---|---|
| Primary Cooling Towers Application | Counterflow |
| Flute height | 19 mm |
| MOC | Virgin rigid PVC |
| Longitudinal pitch | 50 mm |
| UV Stabilization | White – Titanium Dioxide Black – Carbon Black |
| Spiral angle | 28° |
| Std. Sheet size L x W | 1200mm x 600mm |
| Recommended Max Fill Sheet size L x W | 1800 mm x 600 mm |
| Surface area per unit volume | 158 m²/m³ |
| Standard Weight | 27 Kgs/m3 |
| Maximum continuous Operating temp. | 55 °C |
| Standard Fill Sheet Finished Thickness (Available in 0.23mm thickness Other thickness on request) | 0.25 mm |
| Standard Followed for Material properties | CTI STD-136 |
Film Fill Products
| Characteristics | Units | CD – AW | CD-12 |
| Cooling Tower Application | Air Washer | Counterflow | |
| Flute height | Mm | 8 | 12 |
| Longitudinal pitch | Mm | 25 | 38 |
| Spiral angle | °(degree) | 11/79 | 28 |
| Spiral angle | °(degree) | 11/79 | 28 |
| 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 ft²/ft³ | 375 115 | 250 76 |
| Standard Sheet Thickness | mm in | 0.18 0.007″ | 0.2 0.008″ |