Outside Air Louvre OAL-S
Model OAL-SOAL-S
Polyaire's Outside Air Louvres (OAL) are designed to provide weather protection of outside air or discharge openings yet to allow free passage of air. These external louvres may also be used for natural ventilation.
Polyaire manufacture both a small section and a large section outside air louvre as detailed below.
The Polyaire 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 standard plus we also can provide with Insect Mesh
Standard finish is natural anodised while other finishes including powder coat are available to suit the interior and architectural design requirements.
Model OAL-S Outside Air Louvres are available in stock sizes and can also be manufactured to order in a wide range of sizes.
Selection Data - OAL-S
| Nominal Height (mm) | 140 | 170 | 200 | 240 | 270 | 300 | 330 | 400 |
| Free Area % | 38.6 | 42.4 | 45.0 | 45.0 | 46.7 | 48.0 | 49.1 | 49.5 |
Order Selection - Bird Mesh
| Item # | Description |
| 243399 | Outside Air Louvre 150 x 150mm Neck (204x204mm Face) + Bird Mesh |
| 244000 | Outside Air Louvre 200 x 200mm Neck (254x254mm Face) + Bird Mesh |
| 244000/A | Outside Air Louvre 225 x 225mm Neck (279x279mm Face) + Bird Mesh |
| 244001 | Outside Air Louvre 250 x 250mm Neck (304x304mm Face) + Bird Mesh |
| 244002 | Outside Air Louvre 300 x 300mm Neck (354x354mm Face) + Bird Mesh |
| 244003 | Outside Air Louvre 350 x 350mm Neck (404x404mm Face) + Bird Mesh |
| 244004 | Outside Air Louvre 400 x 400mm Neck (454x454mm Face) + Bird Mesh |
| 244005 | Outside Air Louvre 450 x 450mm Neck (504x504mm Face) + Bird Mesh |
| 244244 | Outside Air Louvre 500 x 500mm Neck (554x554mm Face) + Bird Mesh |
| 244245 | Outside Air Louvre 550 x 550mm Neck (604x604mm Face) + Bird Mesh |
| 244247 | Outside Air Louvre 600 x 600mm Neck (654x654mm Face) + Bird Mesh |
Order Selection - Insect Mesh
| Item # | Description |
| 243399+IM | Outside Air Louvre 150 x 150mm Neck (204x204mm Face) + Insect Mesh |
| 244000+IM | Outside Air Louvre 200 x 200mm Neck (254x254mm Face) + Insect Mesh |
| 244000/A+IM | Outside Air Louvre 225 x 225mm Neck (279x279mm Face) + Insect Mesh |
| 244001+IM | Outside Air Louvre 250 x 250mm Neck (304x304mm Face) + Insect Mesh |
| 244002+IM | Outside Air Louvre 300 x 300mm Neck (354x354mm Face) + Insect Mesh |
| 244003+IM | Outside Air Louvre 350 x 350mm Neck (404x404mm Face) + Insect Mesh |
| 244004+IM | Outside Air Louvre 400 x 400mm Neck (454x454mm Face) + Insect Mesh |
| 244005+IM | Outside Air Louvre 450 x 450mm Neck (504x504mm Face) + Insect Mesh |
| 244244+IM | Outside Air Louvre 500 x 500mm Neck (554x554mm Face) + Insect Mesh |
| 244245+IM | Outside Air Louvre 550 x 550mm Neck (604x604mm Face) + Insect Mesh |
| 244247+IM | Outside Air Louvre 600 x 600mm Neck (654x654mm Face) + Insect Mesh |
Made to order Louvres
Non-standard size
38mm Pitch
50mm Pitch
75mm Pitch
