Fire-retarding covering Type BN-OF
The fire-retarding covering BN-OF was developed as an alternative to the conventional coverings. The basis is the well-known perforated metal plank type BN-O, which Lichtgitter is producing and distributing for quite some years. The advanced type BN-OF is especially suitable as a covering for the oil collecting pans beneath the transformer units. In case of fire the flames are restrained by the limited air permeability, but not stifled.
Characteristics
- better and quicker control of the collecting panShorter switch-off period of the transformer
- shorter switch-off period of the transformer
- optimum flow time speed of oil, tempering and rain water
- quick possibility to remove the liquid out of the collection pan
- in case of fire in the collecting pan this system can contain and delay
- serial production – short delivery times
- high safety level during maintenance operations
- existing installations can be rebuild without problems
- the covering is especially suited for locations where in case of an accident the resue service can be immediately at site
| Material | Steel S 235JR |
| Surface | galvanized acc. to DIN EN ISO 1461 |
| Plank Thickness | 2,5 mm |
| Module R | 125 mm |
| Production length L | möglichst n x R |
| Widths B | 150, 200, 250, 300 mm |
| Heights H | 40, 50, 75, 100 mm |
| Rim tu1 | ca. 10 mm |
| Rim tu2 | ca. 20 mm |
