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Steel Cover Grilles

Verified by manufacturer 3 months ago

Covers for air transfer grilles

Lorient Variant:

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.

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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

Product update: the satin silver finish has changed to RAL 9006 (05/1/23)

Silver

Other

Finish

Powder-coated

Material

Steel

Shape

Square

Length

Cover 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.  

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Width

  • Cover 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. 

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Height

  • Cover 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. 


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Uniclass

Pr_30_59_94_06 Air transfer grillesPrimary

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

For use with air transfer grilles LVV40; LVH44; LVV40S; LVH44+LVH20S.

Consult manufacturer for details.

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Size

Depth: 5 mm.


Maximum aperture size:

  • Doors: nominal ATG size + 5 mm;
  • Walls: nominal ATG size + 10 mm.

200 x 200 mm.

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.

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.

Air transfer grille (ATG) nominal size.

Cover grille overall size: 451 x 451 mm.

ATG actual size: 398 x 398 mm.

Equivalent area (minimum)

65–70%.

Dependent on size specified. Consult manufacturer for details.

Material and finish

Steel, powder coated.

Colour

White.

Silver.

Other.

Non-standard; consult manufacturer for details and insert requirements.

Sustainability data

Country of product manufacture

United Kingdom

Literature

Lorient Air Transfer Grille Product Selector

Lorient Air Transfer Grille Product Selector

Air Transfer Grille Installation Manual

Air Transfer Grille Installation Manual

Fire and Smoke Resistant Dampers / Air Transfer Grilles

Fire and Smoke Resistant Dampers / Air Transfer Grilles

Lorient Air Transfer Grille Datasheets

Lorient Air Transfer Grille Datasheets

Steel cover grille NVCG datasheet

Steel cover grille NVCG datasheet

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