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Framed, hinged louvre panel aluminium ventilator for extract hood discharge or pressure relief.

  • Enables secure, weather resistant ventilation.
  • Aluminium profiles with choice of finish.
  • Extract hood discharge: Blades open together.
  • Pressure relief: Blades open individually.
  • Concealed fixing to exterior face of wall.
  • Suitable for mounting on louvre unit type 414.
  • Choice of standard dimensions.
  • Panel thickness: 29 mm.

General information


Aluminium alloy: AlMgSi 0.5 to DIN 1748

Uniclass 2015

Pr_30_59_57_58 Overhead ventilatorsPrimary


L10/650 Metal louvres

Specification data - Overhead ventilators

Product Reference

Aluminium Louvre Grille 433

Unit dimensions

Extract discharge, 173 x 173 mm

Extract discharge, 210 x 210 mm

Extract discharge, 246 x 246 mm

Pressure relief, 328 x 328 mm

Pressure relief, 428 x 428 mm

Pressure relief, 528 x 528 mm

As drawing ___ To suit louvre unit type 414, specified separately


Wall fix

Screws and plugs supplied.

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.

Dust filter unit

Polyester powder coating, RAL colour ___, sheen ___ %

60–70 µ.

Polyester powder coating, Syntha Pulvin colour ___, sheen ___ %

60–70 µ.

Standard product features


Aluminium alloy: AlMgSi 0.5 to DIN 1748.

Fixing points:

Consult supplier for required tolerances between edge of unit and edge of aperture.

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