Air Grilles for HVAC Systems

Outside Air Louvre (OAL)

Polyaire's Outside Air Louvres (OAL) are designed to provide weather protection of outside air or discharge openings to allow free passage of air. These external louvres may also be used for natural ventilation.

The Small Section Outside Air Louvre(OAL-S) is normally used for small sizes and small air quantities.

Construction is from all extruded aluminium with a standard flange of 32mm.

A Bird screen of 12mm x 12mm square mesh is fitted to the rear as an option.

Standard finish is natural anodised while other finishes including powder coat are available to suit the interior and architectural design requirements.

The OAL-S is available in stock sizes and can also be manufactured to order in a wide range of sizes.

 

Item #Nominal Neck Size (mm/inch)Face Size (mm/inch)
244403150x150 / 6x6204 x 204 8” x 8”
244000200x200 / 8x8254x254 / 10x10
244404230 x 180 9” x 7”284x234 / 11x9
244001250 x 250 10” x 10”304x304 / 12x12
245423300 x 250 12” x 10”354x304 / 14x12
244002300 x 300 12” x 12”354x354 / 14x14
244003350 x 350 14” x 14”404x404 / 16x16
244004400 x 400 16” x 16”454x454 / 18x18
244244500 x 500 20” x 20”554x554 / 22x22
244245600 x 300 24” x 12”654x354 / 26x14
244246600 x 400 24” x 16”654x454 / 26x18
244247600 x 600 24” x 24”654x654 / 26x26

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