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Wall louvre 431R: Round, surface mounted, standard series

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Round louvre without frame

» 431431R

Materiall
• Made from aluminium sections: AlMgSi 0.5 (according to EN 12020-2)
• Finishing: satin anodised (20 microns) or powder-coated in any RAL or Syntha Pulvin® colour (60-80 microns) (for UK min 40 microns)
• Stainless steel 304 insect screen (2.3 x 2.3 mm) or mesh (6 x 6 mm) on request

Fixing
• Brackets pre-fitted to the frame

Dimensions
• Depth to fit: 40 mm
• Minimum diameter: 300 mm
• Maximum diameter:
- 1400 mm if anodised in satin colour
- 1500 mm if powder-coated in RAL or Syntha Pulvin® colour
- over 1500 mm: in two parts

Productname
431-R
Type
Surface-mounted louvres
Bladeform
Z
 
33,3
Technical specifications
EigenschapWaarde
Visual free area59
Physical free area43
Value K: Supply25,77
Value K: Extraction25,77
Ce coefficient0,197
Cd coefficient0,197
Sound reductionNo
Usage
EigenschapWaarde
Domestic / Industrial