LVN25 Air Transfer Grille
Verified by manufacturer 5 months ago
Certifire Certificate
Certificate type
High performance non-vision style intumescent 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
The LVN25 is a non-vision intumescent air transfer grille supplied in two halves to accommodate door thicknesses up to 50 mm. When finished with a colour co-ordinated edge flange, it results in an attractive but efficient air transfer feature.
Features and benefits:
- Louvred slats give privacy.
- Bi-directional airflow.
- No site testing necessary.
- No moving parts.
- Attractive facade on both sides.
- Colour match available.
- Easy to keep clean.
- Integral steel or aluminium flanges.
- Integral steel or aluminium flanges.
- Other non-standard sizes may be available - consult the manufacturer for details.
- The upper edge of the grille shall be no higher than 800 mm from floor level.
- LVN25 is best suited in the vertical plane.
General information
Color | Silver |
Finish | Smooth |
Material | Polyvinyl chloride (PVC) Intumescent |
Shape | Square |
Length | Manufacturer guidanceThickness: 2 pieces x 25mm. |
Width | Manufacturer guidance100mm - 600mm (in 50mm increments). |
Height | Manufacturer guidance100mm - 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 |
Specification data - Fire-resisting air transfer grilles
Standard | To BS 476-20 and BS 476-22. |
Category | Intumescent. |
Fire resistance (minimum) | 60 minutes. |
Material and finish | Rigid polyvinyl chloride (PVC). |
Colour | Silver. |
Thickness | 25 mm. Guidance for specification option: Two pieces each 25 mm. |
Free area | 30% free area (approximately). |
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
Lorient Air Transfer Grille Product Selector