Aluminum ventilation grill 450

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Louvre panel type 450 has the superior feature to combine a very high airflow with extreme weatherability. Material • Made from aluminium sections: AlMgSi 0.5 (according to EN 12020-2) • Stainless steel 304 insect mesh (2.3 x 2.3 mm) or mesh (6 x 6 mm) on request • Finishing: powdercoated in any RAL or Syntha Pulvin colour (40 micron) Dimensions • Blade pitch: 50 mm • Depth to fit: 159 mm • Flange size: 38 mm • Minimum dimensions: 200 x 200 mm Fixing • Brackets ref. 1428 included. • For louvres larger than approx. 3 m², a reinforcing mullion is required to suit span and windload Typical applications • Data centres • Power plants • Emergency power stations • IT applications Technical specifications • Weatherability A2 up to 3,0 m/s • Physical free area 57% • K-factor (supply) 10,47 • K-factor (discharge) 16,52 • Ce coefficient 0,309 • Cd coefficient 0,246