BL075 Series

BL075 Series, 75mm pitch flanged and recessed type louvre panels

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The BL075 Series extruded aluminium louvres comprise louvre blades inclined at 45° and mounted at 75mm centres within 99mm, or 143mm deep frames. Galvanised bird screen supplied as standard. Frames can be flanged for surface mounting or knife edge/recessed type to give frameless appearance. . Louvre sizes made to suit customer requirements.

Recommended maximum. size for a single unit: upto 2000 x 2000.  Larger sizes accommodated in multi-panel systems.

Nominal free area: 58.6% with bird mesh fitted

Maximum BSRIA weather test rating 2022 (simulated rainfall of 75mm/hr, wind speed of 13m/sec):


BL075-F143F        97.89%   (class B)  standard birdguard fitted

100%  (class A)  standard insect mesh fitted


Face Velocity (metres per second)          0.5     1.0        1.5      2.0

Pressure Drop (Pascals)                           0.54   6.16    13.86    24.65


BL075 Series

BL075 Series

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