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Pottorff > Louvers > Louvers > Drainable > EFD-645

Model EFD-645

Extruded Aluminum Louver
6" Deep - 45 Degree Drainable Blade

The EFD-645 drainable blade louver is designed to prevent water penetration in non wind-driven rain applications by collecting water in frame and blade gutters and channeling it into downspouts and away from airflow paths. The EFD-645 is available in a wide array of anodized and painted finishes including custom color matching.

Standard Construction

Material: Mill finish 6063-T5 extruded aluminum.

Frames: 6" deep x 0.081" thick (152 x 2) channel.

Blades: 45o x 0.081" (2) thick drainable style.

Screen: 1/2" x 0.063" (12.7 x 1.6) expanded and flattened aluminum.

Mullion: Visible.

Minimum Size: 4.5" x 8" (114 x 203)

Maximum Size:
Single Section: 60" x 120" (1524 x 3048) or 120" x 60" (3048 x 1524)
Multiple Section: Unlimited

 

Ratings

Free Area: 8.7 ft2 (0.81 m2)

 

Performance @ Beginning Point of Water Penetration

Free Area Velocity: 1009 fpm (5.13 m/s)

Air Volume Delivered: 8811 cfm (4.16 m3/s)

Pressure Loss: 0.13 in. wg. (32 Pa)

 

Velocity @ 0.15 in. wg. Pressure Loss: 1092 fpm (5.55 m/s)

Design Load: 30 psf

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