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Door grille 461AK Silendo: acoustic

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Specifications sheet

Specifications sheet

Material
» Aluminium Al Mg Si 0,5

Finishing
» Natural anodised: 20 to 22 micron
» Powder-coated in any RAL-colour: pre-assembled product is conversed to ensure a solid adherence (Brugal) and powder-coated in order to guarantee a thorough powder-layer at all corner joints and cutting sections: 60 to 70 micron.

Description
» Units are assembled from extruded sections of aluminium Al Mg Si 0,5 with PVC endcaps
» Endcaps: black, white or grey and painting possible
» Acoustic insulation: 32 dB (A)

Dimension
» Width X Height: 425 X 48 mm
» Height is fixed: 58 mm

Specification
» Airflow: 25 m³/h at 2 Pa
» Free area: 5291 mm² (standard size)
» Net airflow: 70 cm²