NBS Source
Aluminium Louvre Grille 414

Description

Framed-panel, single-bank, fixed-louvre aluminium ventilator, for insertion in window frame.

  • Enables secure, weather resistant ventilation with exclusion of insects. Physical free area: 43 %.
  • Aluminium profiles with choice of finish. Blades at 33.5 mm centres.
  • Suitable for insertion into glazing aperture of double glazed windows. Install using glazing blocks.
  • Choice of nib thickness to suit equivalent glazing unit.
  • Projection of nib to glazing rebate: 21 mm.
  • Flush external and internal profiles.
  • Suitable for aluminium, PVC-U, wood or composite frames, including curtain wall.
  • Suitable for combination with pressure relief unit, type 433.
  • Dimensions (minimum): 130 x 130 mm. Made to measure.
  • Watertightness at wind speed 1 m/s: Class C (average), without water channel.

Visually similar models:

  • 414R - Round model
  • 414TH - Direct ventilation with duct-connection tray.
  • 414VA - Direct ventilation with hit and miss adjustment.

General information

Material

Aluminium alloy: AlMgSi 0.5 to DIN 1748

Uniclass 2015

Pr_30_59_57_58 Overhead ventilatorsPrimary

CAWS

L10/10 Wood windows

L10/15 Wood windows

L10/20 Steel windows

L10/210 Wood windows

L10/25 Aluminium windows

L10/30 PVC-U windows

L10/31 PVC-U windows

L10/33 Proprietary windows

L10/330 Aluminium windows

L10/335 Aluminium windows

L10/360 PVC-U windows

L10/380 PVC-U windows

L10/390 Proprietary windows

Product range

Louvres / Glazed-In Louvres

Specification data - Overhead ventilators

Product Reference

Aluminium Louvre Grille 414, hit-and-miss

Aluminium Louvre Grille 414, rectangular

Aluminium Louvre Grille 414, round

Aluminium Louvre Grille 414, self-assembly

Aluminium Louvre Grille 414, with duct connection tray

Dimensions

Visible aperture (w x h), ___ x ___ mm

Depth of glazing rebate ___ mm

As drawing ___

Equivalent glazing thickness

24 mm

28 mm

32 mm

External finish (aluminium components)

Anodized, bronze

25 µ. Type E6/ EV1 to DIN 17611.

Anodized, natural

25 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.

Internal finish (aluminium components)

Anodized, bronze

25 µ. Type E6/ EV1 to DIN 17611.

Anodized, natural

25 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.

As exterior

Other requirements

None

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.

Pressure relief unit, type 433, specified separately

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

Louvres

Louvres

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