Aluminium Louvre Grille 421
Aluminium ventilator, for walls.
Framed, inclined blade, single bank, fixed louvre aluminium ventilator, for wall recess mounting.
- Enables secure, weather resistant ventilation with exclusion of insects. Physical free area: 49 %.
- Aluminium profiles with choice of finish. Blades at 50 mm centres.
- Suitable for insertion into wall openings from exterior. 40 mm (maximum) flange overlap.
- 4 mm external flange projection.
- Choice of internal reveal fixing.
- Dimensions (minimum): 150 x 150 mm. Made to measure.
- Panel thickness: 50 mm.
- Water tightness at wind speed 1 m/s: Class D (low), without water channel.
Similar models:
- 411 - Available for lighter duty, with superior watertightness.
- 421R - Available for round apertures.
| Material | Aluminium alloy: AlMgSi 0.5 to DIN 1748 |
| Uniclass 2015 | |
| CAWS | L10/650 Metal louvres |
| Product Reference | Aluminium Louvre Grille 421, rectangularAluminium Louvre Grille 421, roundAluminium Louvre Grille 421, self-assembly |
| Dimensions | Single panel, aperture (w x h x wall thickness), ___ x ___ x ___ mmSingle panel, to outer edge of frame (w x h), ___ x ___ mmMultiple panel, as drawing ___Requires coupling bars. |
| Mounting | BackframeNonstandard option. Required for panels larger than 3 m². Brackets type 1428Standard option. Screw fix to reveal. As drawing ___ |
| Finish (aluminium components) | Anodized, bronze20 µ. Type E6/ EV1 to DIN 17611. Anodized, natural20 µ. Type E6/ C34 to DIN 17611. Polyester powder coating, RAL colour ___, sheen ___ %60–70 µ. Polyester powder coating, Syntha Pulvin colour ___, sheen ___ %60–70 µ. |
| Other requirements | NoneCoupling barFor multiple panel unit. Drainage profileProjecting drip for fixing to bottom flange. Dust filterWith aluminium frame. Fixes to interior of louvre panel. Mesh, 2.3 x 2.3 mmStandard option. Grade 304 stainless steel. Mesh, 6 x 6 mmNonstandard option. Grade 304 stainless steel. Water channelFor insertion behind bottom louvre. Projecting internal collection channel with drip to exterior. |
| Standard product features | Material: Aluminium alloy: AlMgSi 0.5 to DIN 1748. |
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