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Filters, accessories and tools for spray Painting and Air Filtration

Filters Classification according to EN779:2012 Standard

Summary table of the filters classification according to the performance, as described in the European Standard EN779:2012 “Particulate air filters for general ventilation” concerning the performance air filters must meet.
The EN 779 Standard is based on laboratory test (made with test aerosols and test dusts) so the results are transferable to actual applications only with very restricted relevance.

The principal results of the EN 779 Standard laboratory test are:

  • Gravimetric arrestance efficiency for synthetic dust
  • Efficiency: corresponds to the number-referenced fractional collection efficiency for 0.4 μm particles of the synthetic test aerosol
  • Pressure Drop
  • Dust holding capacity for synthetic dust
  Class Pressure Drop Average Arrestance Am Average Efficiency Em Minimum Efficiency
Coarse Dust Filters G1 250 Pa 50% ≤ Am < 65%
G2 250 Pa 65% ≤ Am < 80%
G3 250 Pa 80% ≤ Am < 90%
G4 250 Pa 90% ≤ Am
Fine Dust Filters (0,4 µ particles) M5 450 Pa 40% ≤ Em < 60%
M6 450 Pa 60% ≤ Em < 80%
F7 450 Pa 80% ≤ Em < 90% 35%
F8 450 Pa 90% ≤ Em < 95% 55%
F9 450 Pa 95% ≤ Em 70%
This table is freely adapted from EN 779 2012 Standard that can be purchased on www.uni.com/

Air Filters classified according to EN779:2012 Standard available on AEROFEEL

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