Aluminium Cover Grilles
Verified by manufacturer 5 months ago
Covers for fire & smoke air transfer grilles
Covers for fire & smoke air transfer grilles
Lorient Vision proof flanged grille suitable for surface mounting onto doors, wall or partitions.
Application
Cover grille for selected air transfer grilles, surface-mountable onto doors, walls or partitions. Especially useful for narrow doors or fireblock installations.
Not recommended for use on exterior walls* or areas with high levels of moisture.
*Weather louvre alternatives available.
Description
Range of vision-proof flanged grilles suitable for surface mounting onto doors, walls or partitions.
Particularly suited to narrow doors or fireblock installations.
Features and benefits:
- Extruded aluminium 'V'-shape chevron blade mounted on a close 8 mm pitch renders see-through vision impossible.
- Withstands harsh environments.
- For use with air transfer grilles LVV40; LVH44; LVV40S; LVH44+LVH20S.
- Free area: 45% (approx.)
- Vanes are horizontal and allow bi-directional air flow.
General information
Color | Silver Other Manufacturer guidanceProduct update: the satin silver finish has changed to RAL 9006 (05/1/23) |
Finish | Powder-coated |
Material | Aluminium |
Shape | Square |
Length | Manufacturer guidanceCover Grilles can be supplied in a wide range of sizes to suit the intumescent dampers. Sizes from 100 x 100mm up to 1200 x 1200mm in either configuration offer great flexibility when selecting grille sizes. Each cover grille is manufactured to the nominal aperture size + 80mm. |
Width | Manufacturer guidance
|
Height | Manufacturer guidance
|
Uniclass | |
CAWS | U90/360 Air transfer grilles P21/66 Door-mounted air transfer grilles U90/360 Air transfer grilles P21/895 Door-mounted air transfer grilles |
Specification data - Air transfer grilles
Configuration | Manufacturer guidanceFor use with air transfer grilles LVV40; LVH44; LVV40S; LVH44+LVH20S. Consult manufacturer for details. |
Size | 200 x 200 mm.Guidance for specification option: Air transfer grille (ATG) nominal size.
300 x 300 mm.Guidance for specification option: Air transfer grille (ATG) nominal size.
400 x 400 mm.Guidance for specification option: Air transfer grille (ATG) nominal size.
Manufacturer guidanceDepth: 29 mm. Maximum aperture size:
|
Equivalent area (minimum) | 45%. |
Material and finish | Aluminium, powder coated. |
Colour | White.Silver.Other.Guidance for specification option: Non-standard; consult manufacturer for details and insert requirements. |
Sustainability data
Country of product manufacture | United Kingdom |
Literature
Lorient Air Transfer Grille Product Selector
Air Transfer Grille Installation Manual
Aluminium cover grille NV6 datasheet
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