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
Airflow 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

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