Aluminium Louvre Grille 421

Description

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.

General information

Material

Aluminium alloy: AlMgSi 0.5 to DIN 1748

Uniclass 2015

Pr_30_59_48_04 Aluminium louvre panel unitsPrimary

CAWS

L10/650 Metal louvres

Specification data - Aluminium louvre panel units

Product Reference

Aluminium Louvre Grille 421, rectangular

Aluminium Louvre Grille 421, round

Aluminium Louvre Grille 421, self-assembly

Dimensions

Single panel, aperture (w x h x wall thickness), ___ x ___ x ___ mm

Single panel, to outer edge of frame (w x h), ___ x ___ mm

Multiple panel, as drawing ___

Requires coupling bars.

Mounting

Backframe

Nonstandard option. Required for panels larger than 3 m².

Brackets type 1428

Standard option. Screw fix to reveal.

As drawing ___

Finish (aluminium components)

Anodized, bronze

20 µ. Type E6/ EV1 to DIN 17611.

Anodized, natural

20 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

None

Coupling bar

For multiple panel unit.

Drainage profile

Projecting drip for fixing to bottom flange.

Dust filter

With aluminium frame. Fixes to interior of louvre panel.

Mesh, 2.3 x 2.3 mm

Standard option. Grade 304 stainless steel.

Mesh, 6 x 6 mm

Nonstandard option. Grade 304 stainless steel.

Water channel

For insertion behind bottom louvre. Projecting internal collection channel with drip to exterior.

Standard product features

Material:

Aluminium alloy: AlMgSi 0.5 to DIN 1748.

Literature

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