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Description

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
Material

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) -
Type

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) -
Front

Anodized, satin

20 µ.

Polyester powder coating, RAL 9010 (white)

60–80 µ.

Polyester powder coating, Syntha Pulvin colour

60–80 µ.

Back

Anodized, natural

20 µ.

Polyester powder coating, RAL colour ___, sheen ___ %

60–80 µ.

As front

Standard product features

Material:

Aluminium alloy: AlMgSi 0.5 to DIN 1748.

Literature
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