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Options
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Flange Frames
Screens
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Typical Attenuation
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| Frequency (Hz) | Typical Attenuation (dB) |
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| 125 | 12 | | 250 | 15 | | 500 | 16 | | 1000 | 18 | | 2000 | 20 | | 4000 | 18 |
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Frames
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Galvanized Steel/Aluminum channel
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Blades
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Galvanized Steel/Aluminum
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Blade Spacing
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5" Standard
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Finish
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Powder Coat
Unfinish Mill standard
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Fabricated Blade
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45 ยบ
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Minimum Sizes
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24 x 24 Inch
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Maximum Sizes
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Louvers larger than 96" high x 72" are made in sections with mullions, making size unlimited
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Depth
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standard
frame
4 Inch
6 Inch
8 Inch
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Flange Frame
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2" Flange standard
Other sizes available
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Materials
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Aluminum
Galvanized Steel
Stainless Steel
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Screen
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1/2" x 1/2" 19 galvanized steel available
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Finish
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Mill Finish Powder Coat Finish
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Acoustic Performance @ 6" Depth
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| Octave Band | Center Frequency | Transmission Loss (dB) | Noise Reduction (dB) | | 1 | 63 Hz | 6 | 12 | | 2 | 125 Hz | 9 | 13 | | 3 | 250 Hz | 10 | 16 | | 4 | 500 Hz | 11 | 18 | | 5 | 1 KHz | 15 | 21 | | 6 | 2 KHz | 19 | 25 | | 7 | 4 KHz | 17 | 26 | | 8 | 8 KHz | 16 | 24 |
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Aerodynamic Performance @ 6" Depth
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| Pressure Loss (iwg) | Face Velocity (fpm) | | .05 | 118 | | .15 | 205 | | .20 | 237 | | .35 | 313 | | .45 | 355 | | .60 | 410 | | .75 | 458 | | 1.0 | 529 |
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