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Framed panel, double bank, vertical blade, fixed louvre, aluminium ventilator with offset airways and acoustic insulation, for internal door mounting.

  • Enables secure ventilation with acoustic attenuation. Physical free area: 29 %. Suitable for hospitals, schools, sports facilities.
  • Suitable for insertion into flush doors. Door thickness: 37.5–92 mm.
  • Aluminium profiles. 25 mm slots at 85 mm centres. Foam insulation. Concealed fixings to reveal. Flanged to both faces. Choice of standard or special order finishes.
  • Weighted sound reduction index: 8 dB.
  • Air flow (maximum): 100 m³/h at 2 Pa.
  • Standard sizes or made to measure. Requires aperture 7 mm larger than unit dimensions.
  • Height (without flange): 193–788 mm. Intermediate dimensions in 85 mm increments.
  • Width (without flange): 200–788 mm. Any intermediate dimension is possible.
  • Projection: 12 mm, both faces.
  • Similar model 468 AK/1 for walls is available with one flush face, one flanged face.

General information

Aluminium alloy: AlMgSi 0.5 to DIN 1748

Uniclass 2015
Air transfer grilles (Pr_30_59_94_06)Primary
Specification data - Air transfer grilles
Product Reference

Acoustic Interior Louvre 468 AK/2

Dimensions (w x h without flange) -

292 x 193 mm

Air flow: 25 m³/h (at 2 Pa).

382 x 278 mm

Air flow: 50 m³/h (at 2 Pa).

432 x 363 mm

Air flow: 75 m³/h (at 2 Pa).

452 x 448 mm

Air flow: 100 m³/h (at 2 Pa).

___ x ___ mm

Door thickness

___ mm

37.5–92 mm.

Finish (aluminium components) -

Anodized, satin

20 µ.

Polyester powder coating, RAL 9010 (white)

60–80 µ.

Polyester powder coating, Syntha Pulvin colour

60–80 µ.


Anodized, natural

20 µ.

Polyester powder coating, RAL colour ___, sheen ___ %

60–80 µ.

As front

Standard product features


Aluminium alloy: AlMgSi 0.5 to DIN 1748.

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