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High Efficiency Particulate Air Filters are also known as Absolute filters,which are the ultimate means of removal of sub micron air borne particles and are widely used for EU-13 applications.
All HEPA filters assure a filter that is 99.97 % efficient on particles of 0.3 micron in size or larger. Efficiencies of 50 % , 65 % , 95 % and are also available depending on the requirement.
These filters find wide usage in all clean room and pharmaceutical applications where class of cleanliness and particle count is a must. Can be installed directly in AHUs or in a plenum or can be terminally mounted.
Continuous sheet of non –combustible ,water repellant , submicronic boro silicate glass fiber media. The radii edge configuration promotes maximum exposure of media surface to airflow.
Pleated around radii edge corrugated aluminum separators . Available in aluminum filter frames with/ without flange . However ,S.S.304 filter frames are provided as per requirement.
A fluid fire retardant adhesive is provided ,which when dry hardened provides positive seal between filter pack and rigid frame .Also a closed cell neoprene gasket is provided positive sealing.
HEPAS are available with efficiencies between 95% and 99.999% (H10-H14 upto U17).
| Sr. No | Type | Deep pleated flange or box type |
| 1 | Casing Construction | Galvanized steel / CRCA powder coated / Aluminium anodized / SS 304 |
| 2 | Separators | Corrugated Aluminum |
| 3 | Filter Media | Micro fiber glass paper ( Imported ) |
| 4 | Sealent | Polyurethane based |
| 5 | Gasket | Neoprene rubber gasket |
| 6 | BS EN 779 CLASS | H10, H11, H12, H13, H14 upto U17 |
| 7 | Filter Efficiency |
H10 - 95 % @ 0.3 micron H11 - 99.9 % @ 0.3 micron H12 - 99.97% @ 0.3 micron H13 - 99.99% @ 0.3 micron H14 - 99.999% @ 0.3 micron |
| 8 | Euro vent Class | EU 10, EU 11, EU 12, EU 13, EU 14 upto U17 |
