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Description

Single slot, offset path aluminium ventilator with acoustic insulation.

  • Enables secure ventilation with good acoustic attenuation. Physical free area: 27 %.
  • Suitable for insertion into flush doors. Acceptable door thickness: 37–43 mm.
  • Aluminium profiles with foam insulation and plastic endcaps. Concealed fixings. Choice of standard or special order finishes.
  • Acoustic attenuation: 32 dB, to EN ISO 140 and EN ISO 717.
  • Air flow: 25.1 m³/h at 2 Pa.
  • Length: 425 mm or made to measure.
  • Height: 48 mm.
  • Projection: 7 mm, both sides.
  • Suitable for residential applications.

General information
Specification data - Air transfer grilles
Product Reference

Aluminium Acoustic Door Grille SILENDO 461AK

Finish (aluminium components) -
External

Anodized, natural

20 µ.

Polyester powder coating, RAL 8019 (dark brown)

60–70 µ. Standard option.

Polyester powder coating, RAL 9010 (white)

60–70 µ. Standard option.

Polyester powder coating, RAL colour ___

60–70 µ.

Polyester powder coating, Syntha Pulvin colour ___

60–70 µ.

Internal

Anodized, natural

20 µ. Nonstandard option.

Polyester powder coating, RAL 8019 (dark brown)

60–70 µ. Standard option.

Polyester powder coating, RAL 9010 (white)

60–70 µ. Standard option.

Polyester powder coating, RAL colour ___, sheen ___ %

60–70 µ. Nonstandard option.

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

60–70 µ. Nonstandard option.

As external

End caps

Black

Grey

White

Standard product features

Materials:

  • Made from aluminium sections: AlMgSi 0.5 (according to EN 12020-2).
  • Finishing: Anodized in satin colour (20 microns) or powder-coated in any RAL or Syntha Pulvin® colour (60–80 microns, dual colour possible, for UK minimum 40 microns).
  • Sound absorbing material: Synthetic foam.
  • End caps: In Luran S ASA polymer (colourfast, weatherproof and UV-resistant).

Dimensions:

  • Length: 425 mm. Other lengths available on request.
  • Height: 48 mm.
  • Door thickness: 37–43 mm.

Literature
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