Verified by manufacturer 22 days ago
High performance vision fire plus smoke damper.
Suitable for doors, walls and ducts.
The LVH20S damper is a unique combination of intumescent slats to provide two hour fire resistance and excellent insulation properties together with a servo powered set of shutter plates that control cold and warm smoke.
Features and benefits:
Color | Silver |
Finish | Galvanized |
Material | Steel Intumescent |
Shape | Square Rectangle |
Length | Manufacturer guidanceThickness: 47mm |
Width | Manufacturer guidanceThickness: 47mm. |
Height | Manufacturer guidanceHeight: 200mm - 600mm (in 50mm increments). |
Uniclass | |
CAWS | L20/20 Wood flush doors L20/230 Wood flush doors L20/25 Wood-panelled doors L20/250 Wood-panelled doors L20/270 Wood doors L20/280 Doors L20/30 Wood doors L20/410 Wood doorsets L20/420 Wood doorsets L20/430 Wood doorsets L20/480 Doorsets L20/55 Doorsets P21/66 Door mounted air transfer grilles P21/896 Door mounted fire resisting air transfer grilles P21/897 Door mounted fire resisting air transfer grilles with smoke shutter U90/360 Air transfer grilles U90/360 Air transfer grilles |
Standard | To AS 1530.4: 2014 (fire). To BS 476-20: 1987 and BS EN 1364-5: 2017 (fire). To BS 476-31.1: 1983 (shutterplate,smoke). |
Category | Intumescent with smoke shutter. |
Size | 200 x 200 mm.250 x 250 mm.300 x 300 mm.350 x 350 mm.400 x 400 mm.450 x 450 mm.500 x 500 mm.550 x 550 mm.600 x 600 mm.Manufacturer guidance200–600mm (in 50 mm increments). |
Fire resistance (minimum) | 120 minutes. |
Material and finish | Z275 galvanized steel. Metal slats with an intumescent core. Electro mechanically operated smoke shutter mechanism. |
Colour | Silver. |
Electrical connection | Required. |
Accessories | None. Alarm Monitoring System (AMS) and battery backup. Cover grille. |
Thickness | 47 mm. |
Country of product manufacture | United Kingdom |