Verified by manufacturer 5 months ago
Certifire Certificate
Certificate type
High performance wall mounted fire and smoke air transfer grille.
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.
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:
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 |
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. |
Country of product manufacture | United Kingdom |