In negative pressure systems, the fan is behind the filter with a suction line connected to the filter where only clean air can pass through. While in negative pressure mode, the filter bag is shaken by only compressed air.
Technical document : 3KFP
| Filter type | Number of cells | filter width* , mm | filter lenght* , mm | filter height* , mm | climbing height, mm | Surface, m2 | Filter bag number |
|---|---|---|---|---|---|---|---|
| 3KFP 45 | 1 | 2400 | 600 | 7600 | 600 | 45 | 30 |
| 3KFP 90 | 2 | 2400 | 1200 | 7600 | 600 | 90 | 60 |
| 3KFP 135 | 3 | 2400 | 1800 | 7600 | 600 | 135 | 90 |
| 3KFP 180 | 4 | 2400 | 2400 | 7600 | 600 | 180 | 120 |
| 3KFP 225 | 5 | 2400 | 3000 | 7600 | 600 | 225 | 150 |
*The dimensions are basic and may deviate from the actual dimensions