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Hepa Filters

Introduction

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.

Application

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.

Media

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.

Construction & Supports

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).

  • Low initial pressure drop
  • High dust holding capacity
  • High cost / performance ratio
  • Wide range of standard sizes
  • Individually leak tested

Applications

  • Fine particulate filtration in
  • Hospitals (Operation Theater)
  • Clean room applications
  • Clean room equipments
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

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