Filters for air-condition and ventilation systems and HEPA filters
Purpose:
First level of air purifying in ventilation and air-conditioning systems.Purpose:
Second level of air purifying in ventilation and air-conditioning systems.Purpose:
Last level of air cleansing in multilevel filtration systems.Purpose:
For smells and gases retention in air-conditioning, ventilation and other suchlike systems.
Groups of filters
Group of filters |
Trapped particles |
Class |
Application |
Filters for coarse particles |
Insects,Textile fibres, Fluff, Sand, Pollen, Cement dust |
G2 |
Protection from insects. Filters for supply and return of air. |
Filters for small particles |
Spores, Fluff, Cement dust, Bacteria, |
F5,M5 F6,M6 |
Filters for submission of ambient air for rooms without high requirements. |
Filters for small particles |
Tobacco smoke, Metal oxide fumes |
F7 |
Filters for final purification of air in administrative offices, museums, airports, hospitals, electrical power stations. |
Filters type EPA for very small particles (<1 micron) |
Bacteria, Viruses, Tobacco smoke, |
E10 |
Filters for final purification of indoor air, meeting high requirements (laboratories, pharmaceutical enterprises, electronics manufacturing, etc.). |
Filters type HEPA |
Microbes |
E12 |
Filters for final purification of indoor air, meeting class 5 and 6 according to EN1822. |
Filters type HEPA |
Microbes, Aerosols |
H13 |
Filters for final purification of air in nuclear power plants. |
Filters type НEPA |
Aerosols |
H14 |
Filters for purification of indoor air in electronics and pharmaceuticals companies. Filters for final purification of indoor air, meeting the requirements for class 1 and 2 according to EN1822. |
Classification
EN779 Classification | EUROVENT Classification | Average Arrestance (A %) | Average Efficiency (E %) |
G1 | EU1 | Am < 65 | — |
G2 | EU2 | 65 ≤ Am <80 | — |
G3 | EU3 | 80 ≤ Am <90 | — |
G4 | EU4 | 90 ≤ Am | — |
F/M5 | EU5 | — | 40 ≤ Em <60 |
F/M6 | EU6 | — | 60 ≤ Em <80 |
F7 | EU7 | — | 80 ≤ Em <90 |
F8 | EU8 | — | 90 ≤ Em <95 |
F9 | EU9 | — | 95 ≤ Em |
Initial Efficiency E | E° < 20% | E° ≥ 20% | |
Final Pressure drop | 250 Pa | 450 Pa |
Absolute filters
EN | EUROVENT | INITIAL EFFICIENCY E | PENETRATION P | DEC. FACTOR D |
---|---|---|---|---|
E10 | EU10 | 95 ≤ E¡ <99,9 | 5 ≥ P <0,1 | 20 ≤ Dƒ <1000 |
E11 | EU11 | 99,9 ≤ E¡ <99,97 | 0,1 ≥ P <0,03 | 1000 ≤ Dƒ <3000 |
E12 | EU12 | 99,97 ≤ E¡ <99,99 | 0,03 ≥ P <0,01 | 3000 ≤ Dƒ <10000 |
H13 | EU13 | 99,99 ≤ E¡ <99,999 | 0,01 ≥ P <0,001 | 10000 ≤ Dƒ <100000 |
H14 | EU14 | 99,999 ≤ E¡ <99,9999 | 0,001 ≥ P <0,0001 | 100000 ≤ Dƒ <1000000 |
U15 | EU15 | 99,9999 ≤ E¡ <99,99999 | 0,0001 ≥ P <0,00001 | 1000000 ≤ Dƒ <10000000 |
U16 | EU16 | 99,99999 ≤ E¡ <99,999999 | 0,00001 ≥ P <0,000001 | 10000000 ≤ Dƒ <100000000 |
U17 | EU17 | 99,999999 ≤ E¡ | 0,000001 ≥ P | 100000000 ≤ Dƒ |
Trapped particles (micron)
Class |
0.1 |
0.3 |
0.5 |
1 |
3 |
5 |
10 |
G2 |
— |
— |
— |
0 — 5 |
5 — 15 |
15 — 35 |
50 — 70 |
G3 |
— |
— |
0 — 5 |
5 — 15 |
15 — 35 |
35 — 70 |
70 — 85 |
G4 |
— |
0 — 5 |
5 — 15 |
15 — 35 |
30 — 55 |
60 — 90 |
85 — 98 |
M5 |
0 — 10 |
5 — 15 |
15 — 30 |
30 — 50 |
70 — 90 |
90 — 99 |
> 98 |
M6 |
5 — 15 |
10 — 25 |
20 — 40 |
50 — 65 |
85 — 95 |
95 — 99 |
> 99 |
F7 |
25 — 35 |
45 — 60 |
60 — 75 |
85 — 95 |
> 98 |
> 99 |
> 99 |
F8 |
35 — 45 |
— |
80 — 90 |
95 — 98 |
> 99 |
> 99 |
> 99 |
F9 |
— |
— |
90 — 95 |
> 98 |
> 99 |
> 99 |
> 99 |
Classes of filtration
G |
F |
H |
0 0 0 0 0 |
0 0 0 0 0 |
0 0 0 0 0 |