LVV40S Fire and Smoke Resistant Air Transfer Grille
Verified by manufacturer 5 months ago
Certifire Certificate
Certificate type
High performance wall mounted fire and smoke air transfer grille.
Application
Suitable for doors of minimum 50 mm thickness.
Note: in applications where high levels of humidity or wetness are anticipated, it is recommended that a LVH44 product should be employed.
Description
Fire and smoke resistant air transfer grille provides a solution to the problem of containing both fire and 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 and smoke resistance.
Features and benefits:
- Contains cold smoke plus toxic gases remote from source of fire.
- Simple installation.
- Auto reset plus failsafe.
- Safe low DC voltage.
- Status reporting plus auto-cycling via Talkback Damper Control Monitor (DCM).
- Optional audio warning facility.
- Connects to fire panel plus/or building management system (BMS).
- BMS alarm notification via Alarm Monitoring System (AMS).
- Nominal 5 mA current open/ closed.
- Max 200 mA in operation.
- Allows bi-directional airflow.
- Use with talkback damper control system. Optional Alarm Monitoring System (AMS) and battery backup. Optional cover grille.
- Other non-standard sizes may be available - consult the manufacturer for details.
- LVV40S must be in the vertical plane.
- The upper edge of the grille shall be no higher than 3000 mm from floor level. The lower edge of the grille shall be no closer than 400 mm to floor level.
- Each fire + smoke air transfer grille is manufactured to size. When ordering please ensure the aperture can accommodate the non-combustible housing and allow up to a 5 mm gap around the perimeter. Screwed and bedded in Lorient intumescent sealant.
General information
Color | Silver |
Material | PVC Guidance for specification option: PVC slats with an intumescent core. |
Shape | Square Rectangle |
Width | 150 mm 175 mm 200 mm 225 mm 250 mm |
Height | 150 mm 175 mm 200 mm 225 mm 250 mm |
Uniclass | |
CAWS | U90/360 Air transfer grilles U90/360 Air transfer grilles |
Specification data - Fire-resisting air transfer grilles with smoke shutters
Standard | To BS 476-20 and 22:1987; To BS EN 1364-5:2017; To BS 476-31.1:1983. |
Category | Intumescent with smoke shutter. |
Size | 150 x 150 mm.175 x 175 mm.200 x 200 mm.225 x 225 mm.250 x 250 mm.275 x 275 mm.300 x 300 mm.325 x 325 mm.350 x 350 mm.375 x 375 mm.400 x 400 mm.425 x 425 mm.475 x 475 mm.500 x 500 mm.525 x 525 mm.550 x 550 mm.575 x 575 mm.600 x 600 mm. |
Fire resistance (minimum) | 60 minutes. |
Colour | Silver. |
Electrical connection | Required. |
Free area | 30–37% free area (approximately). Size dependent. |
Accessories | None. Alarm Monitoring System (AMS) and battery backup. Cover grille. |
Thickness | 50 mm. Guidance for specification option: Doors. 90 mm. Guidance for specification option: Minimum wall thickness. |
Sustainability data
Country of product manufacture | United Kingdom |
Third party certifications
Certifire Certificate
Certifire CF564
Literature
Air Transfer Grille Installation Manual
Fire and Smoke Resistant Dampers / Air Transfer Grilles
Case studies
Great Pagoda, Kew Gardens