LVV40S Intumescent Air Transfer Grille
FIRE + SMOKE resistant - wall mounted
This system provides a unique solution to the problem of containing both fire + smoke in emergency conditions yet allowing good air flow in everyday use. Using the same intumescent configuration as the LVV40, but incorporating an electro mechanically operated smoke shutter mechanism. Can provide up to 60 minutes fire + smoke resistance.
System specification
| Property | |
|---|---|
| Application | Suitable for walls |
| Thickness | Minimum thickness 80mm |
| Min wall depth | 90mm |
| Free area | Approx 30% - 37% free area. Size dependent |
| Material | PVC slats with an intumescent core. Electro mechanically operated smoke shutter mechanism |
| Finish | Silver as standard |
| Test evidence | Fire: BS 476-20 & 22: 1987 & BS EN 1364-5: 2017. Smoke: BS 476-31.1: 1983 (shutterplate) |
| Performance | Can be used to provide up to 60 minutes resistance to fire + cold smoke |
| Use with | Talkback damper control system. Optional Alarm Monitoring System (AMS) + battery backup. Optional cover grille |
| CERTIFICATION | |
| Certifire | CF564 |
product