ventilating equipment: filters
FGR Cassette duct filter
A simple air filter for circular ducts equipped with a G3 filter (standard, single-piece fabric insert). The casing of the cassette is made of galvanized steel sheet and is equipped with rubber gaskets on connection bolts and on the cassette cover. The cover closes on the latch.
The FGR filter is recommended for industrial applications or as a pre-filter. The recommended maximum allowable pressure drop (for a dirty filter) is 170 Pa.
| FGR | ø | A | B | C | D | E |
| 100 | 100 | 123 | 199 | 205 | 201 | 190 |
| 125 | 125 | 123 | 199 | 205 | 201 | 190 |
| 150 | 150 | 123 | 199 | 205 | 201 | 190 |
| 160 | 160 | 123 | 199 | 205 | 201 | 190 |
| 200 | 200 | 123 | 199 | 302 | 297 | 280 |
| 250 | 250 | 123 | 239 | 302 | 297 | 280 |
| 315 | 315 | 123 | 239 | 350 | 345 | 330 |
| 355 | 355 | 123 | 239 | 454 | 450 | 435 |
| 400 | 400 | 123 | 239 | 454 | 450 | 435 |
| Cassette | Inset | Class |
| FGR 100 | PFR 100-160 | G3 |
| FGR 125 | PFR 100-160 | G3 |
| FGR 150 | PFR 100-160 | G3 |
| FGR 160 | PFR 100-160 | G3 |
| FGR 200 | PFR 200 | G3 |
| FGR 250 | PFR 250 | G3 |
| FGR 315 | PFR 315 | G3 |
| FGR 355 | PFR 355 | G3 |
| FGR 400 | PFR 400 | G3 |
