Model EK-637

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

The EK-637 extruded aluminum louver is designed for intake and exhaust application where protection against water infiltration is not critical. The EK-637 is well suited for special shape applications and is available with hidden mullions for a continuous blade appearance of multiple section assemblies. The EK-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 K style.
Screen: 1/2" x 0.063" (12.7 x 1.6) expanded and flattened aluminum.
Mullion: Visible.
Minimum Size: 4.5" x 9" (114 x 229)
Maximum Size: Single Section: 60" x 120" (1524 x 3048)
​                                                    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: 1157 fpm (5.88 m/s)
Air Volume Delivered: 10102 cfm (4.77 m³/s)
Pressure Loss: 0.17 in. wg. (42 Pa)

Velocity @ 0.15 in. wg. Pressure Loss: 1096 fpm (5.57 m/s)
Design Load: 30 psf