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Newsletter
ventilating equipment: filters
FFR Duct filter
The FFR cassette filter is intended for bag filters of classes G3, F5 or F7. The cassette case is made of galvanized steel sheet with connectors of standard diameters ending with a lip seal. The cassette cover is closed with latches. Standard fittings include connectors for connecting the pressure switch.
The recommended maximum allowable pressure drop (for a dirty filter) is 170 Pa (G3), 200Pa (F5), 250Pa (F7).
| FFR | øA | B | C | D | E |
| 100 | 100 | 200 | 203 | 522 | 450 |
| 125 | 125 | 200 | 203 | 522 | 450 |
| 150 | 150 | 200 | 203 | 522 | 450 |
| 160 | 160 | 200 | 203 | 522 | 450 |
| 200 | 200 | 245 | 248 | 530 | 450 |
| 250 | 250 | 295 | 298 | 584 | 500 |
| 315 | 315 | 345 | 348 | 634 | 550 |
| 355 | 355 | 445 | 448 | 780 | 650 |
| 400 | 400 | 445 | 448 | 782 | 650 |
| Filter cassette | Bag filter | Class |
| FFR 100 | BFR 100-160 | G3, F5, F7 |
| FFR 125 | BFR 100-160 | G3, F5, F7 |
| FFR 150 | BFR 100-160 | G3, F5, F7 |
| FFR 160 | BFR 100-160 | G3, F5, F7 |
| FFR 200 | BFR 200 | G3, F5, F7 |
| FFR 250 | BFR 250 | G3, F5, F7 |
| FFR 315 | BFR 315 | G3, F5, F7 |
| FFR 355 | BFR 355 | G3, F5, F7 |
| FFR 400 | BFR 400 | G3, F5, F7 |
