Steel Cover Grilles
Verified by manufacturer 6 months ago
Covers for air transfer grilles
Covers for air transfer grilles
Lorient steel cover grilles are face fixed to doors, walls or end of ducts, offering an aesthetic appearance to the range of intumescent air transfer grilles.
Application
Cover grille for selected air transfer grilles, faced-fixed onto doors, walls or the end of ducts.
Not recommended for use on exterior walls* or areas with high levels of moisture.
*Weather louvre alternatives available.
Description
Lorient steel cover grilles are face fixed to doors, walls or end of ducts, offering an aesthetic appearance to the range of intumescent air transfer grilles. They are supplied with a powder coat finish and fixing screws as standard.
Features and benefits:
- Offers an aesthetic appearance to the Lorient intumescent air transfer grilles LVV40; LVH44; LVV40S; LVH44+LVH20S (specified separately).
- Free area: 65–70% (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 | Steel |
Shape | Square |
Length | Manufacturer guidanceCover grilles can be supplied in a wide range of sizes to suit the intumescent air transfer grilles. Sizes from 100 x 100mm up to 600 x 600mm in 50mm increments, in either configuration, offer great flexibility when selecting grille sizes. Each cover grille is manufactured to the nominal aperture size + 51mm. |
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. Cover grille overall size: 251 x 251 mm. ATG actual size: 198 x 198 mm. 300 x 300 mm.Guidance for specification option: Air transfer grille (ATG) nominal size. Cover grille overall size: 351 x 351 mm. ATG actual size: 298 x 298 mm. 400 x 400 mm.Guidance for specification option: Air transfer grille (ATG) nominal size. Cover grille overall size: 451 x 451 mm. ATG actual size: 398 x 398 mm. Manufacturer guidanceDepth: 5 mm. Maximum aperture size:
|
Equivalent area (minimum) | 65–70%.Guidance for specification option: Dependent on size specified. Consult manufacturer for details. |
Material and finish | Steel, 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
Fire and Smoke Resistant Dampers / Air Transfer Grilles
Lorient Air Transfer Grille Datasheets
Steel cover grille NVCG datasheet
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