Aluminium slats with an intumescent core are set into a welded and plated steel frame incorporating a 2 mm thermal break to minimise heat conduction. At a temperature of 140°-150° Celsius the intumescent core swells to many times the original thickness. The louvres fuse together to form a non-combustible barrier. In effect the grilles act as a static fire barrier. The grille must be fixed with fasteners and/or intumescent mastic. Free-air space approx. 80%.
Application
These grilles allow free movement of air through ducts and fire rated constructions. They can be used outside or in industrial environments, but must be protected with a fixed louvred ventilator or a louvred grille.
Standard
- thickness 44 mm.
- clean airflow characteristics.
- water and shock resistant.
- horizontal and vertical use.
- 120 min. fire resistant, EN1634-1.
- fitting instructions.
Options
- other dimensions, min. 100x100 mm, max. 600 x 600 mm.
- grilles can be coupled together to max. 1200 x 1200 mm.
- frame.
Technical details
| Article number | : | G8HP-4040 |
| Specification | : | steel frame |
| Build in | : | 398 x 398 mm |
| EAN code | : | 8713628213708 |
| Box Qty | : | 1 |
| Weight gramm | : | 2230 |
| LD cm2 | : | 1340 |
| Pressure drop | 1 Pa | 2 Pa | 5 Pa | 10 Pa | 20 Pa | 40 Pa | 60 Pa |
| dm3/s | 111 | 157 | 248 | 351 | 496 | 702 | 860 |
| m3/u | 400 | 565 | 893 | 1264 | 1786 | 2527 | 3096 |
|
