Model ED-437

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

The ED-437 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-437 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: 4" deep x 0.081" thick (102 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 7" (114 x 178)
Maximum Size: Single Section: 60" x 120" (1524 x 3048)
​                                                    120" x 60" (3048 x 1524)
                           Multiple Section: Unlimited

Ratings

Free Area: 9.3 ft² (0.86 m²)

Performance @ Beginning Point of Water Penetration
Free Area Velocity: 903 fpm (4.58 m/s)
Air Volume Delivered: 8398 cfm (3.96 m³/s)
Pressure Loss: 0.13 in. wg. (32 Pa)

Velocity @ 0.15 in. wg. Pressure Loss: 990 fpm (5.03 m/s)
Design Load: 30 psf