Verified by manufacturer 5 months ago
Certifire Certificate
Certificate type
High performance non-vision fire plus smoke air transfer grille.
Suitable for doors.
Note: in applications where high levels of humidity or wetness are anticipated, Consult the manufacturer's Technical Department for alternatives.
The LVN20S provides a unique solution to the problem of containing both fire and smoke in emergency conditions yet offering good air transfer through doors in everyday use. Using the same intumescent louvred slat configuration as the LVN20 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 with an intumescent core. Steel Guidance for specification option: Flange. Aluminium Guidance for specification option: Flange. Manufacturer guidanceElectro mechanically operated smoke shutter mechanism. |
Width | 200 mm 250 mm 300 mm 350 mm 400 mm |
Height | Bespoke |
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 |
Standard | To BS 476-20 and BS 476-22 (fire) and BS 476-31.1:1983 (smoke). |
Third party certification | Certifire CF 564. |
Category | Intumescent with smoke resistant air transfer grille. |
Size | 200 x 200 x 20 mm200 x 250 x 20 mm200 x 300 x 20 mm200 x 350 x 20 mm200 x 400 x 20 mm250 x 200 x 20 mm250 x 250 x 20 mm250 x 300 x 20 mm250 x 350 x 20 mm250 x 400 x 20 mm300 x 200 x 20 mm300 x 250 x 20 mm300 x 300 x 20 mm300 x 350 x 20 mm300 x 400 x 20 mm350 x 200 x 20 mm350 x 250 x 20 mm350 x 300 x 20 mm350 x 350 x 20 mm350 x 400 x 20 mm400 x 200 x 20 mm400 x 250 x 20 mm400 x 300 x 20 mm400 x 350 x 20 mm400 x 400 x 20 mmManufacturer guidanceHeight x width. Nominal to suit standard PVC pipes or steel ducts. |
Fire resistance (minimum) | 60 minutes. |
Colour | Silver. |
Electrical connection | Required. |
Thickness | 20 mm. |
Free area | 30% free area (approximately). |
Accessories | None. Alarm Monitoring System (AMS) and battery backup. |
Country of product manufacture | United Kingdom |