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Vlafir filter
(sooner EN 779)
Parameters
The supporting grid on the side of the air output is inserted into the frame at desired height and on the surface of this grid, the filter media cut-out of the appropriate class of filtration is laid down. On the air input side is the medium ensured by removable pen.
Filter media can be both of synthetic material, of the material of glass fibre. The frame of the filter can be tempered paper, plastic or metal.
The flow direction of the air is represented by an arrow on the frame. The depth of the filter is optional, from 8 mm to 100 mm. Plastic frames have a standard depth of 20, 25, 48 and 96 mm
Use
Surface filters vlafír are used as pre-filters, or main filters in classes of G2, G3, G4, M5.
Filtration classes
- G2
- G3
- G4
- M5
Sizes
| EN 779 | EN ISO 16890 | Frames | Depth (mm) | In. pressure loss (Pa) | Final pressure loss (Pa) |
|---|---|---|---|---|---|
|
G2 |
Coarse <50% |
paper, plastic, metal |
20, 25, 48, 96 |
40 |
200 |
|
G3 |
Coarse 50% |
paper, plastic, metal |
20, 25, 48, 96 |
50 |
200 |
|
G4 |
Coarse 60% |
paper, plastic, metal |
20, 25, 48, 96 |
60 |
200 |
|
M5 |
Coarse 65% |
paper, plastic, metal |
20, 25, 48, 96 |
70 |
200 |
