Model ED-637

Extruded Aluminum Louver
6" Deep - 37-1/2 Degree Drainable Blade

The ED-637 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 ED-637 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: 37-1/2^o x 0.081" (2) thick drainable style.
Screen: 1/2" x 0.063" (12.7 x 1.6) expanded and flattened aluminum.
Axles: 1/2" (13) diameter steel hex.
Mullion: Visible.
Minimum Size: 4.5" x 8" (114 x 203)
Maximum Size: Single Section: 60" x 120" (1524 x 3048)
​                                                    120" x 60" (3048 x 1524)
                           Multiple Section: Unlimited

Ratings

Free Area: 9.2 ft² (0.85 m²)

Performance @ Beginning Point of Water Penetration
Free Area Velocity: 1113 fpm (5.65 m/s)
Air Volume Delivered: 10242 cfm (4.83 m³/s)
Pressure Loss: 0.15 in. wg. (37 Pa)

Velocity @ 0.15 in. wg. Pressure Loss: 1106 fpm (5.62 m/s)
Design Load: 30 psf