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ALA-R

ALA-R
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08/06 - 2 Construction subject to change. Version: 17.10.2013 No return possible!

Description Intake and return air openings in air-conditioning and ventilation systems must be protected from rain, snow or birds entering. This is done by using weather protection grilles. The weather protection grille type ALA-R in round design offers the best possible protection because of its fixed, rain-repellent blades and a back-fitted bird protection grille made of a perforated plate. Construction Frame and blades - Galvanised sheet steel (standard) - Stainless steel 1.4301 (V2A) / 1.4571 (V4A) powder-coated in the colour sand silver (at an extra charge). - Aluminium painted to RAL...

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Technical dataPressure loss and noise level Legend Vzu (m3/h) [l/s] Supply air volume Intake velocity, blower stream velocity, outflow velocity, relative to Astirn Density Pressure loss A-weighted sound power level [Lwa = LWA1 + KF] A-weighted sound power level, relative to one parameter Correction factor Nominal width Face velocity Specification texts Weather protection grille type ALA-R in round design consisting of L-shaped profiled frame and horizontal, fixed, rain-repellent blades, distance 50 mm, with mounting holes and back-fitted bird protection grille made of an 8 x 8 mm galvanised...

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