Model EXD-637

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

The EXD-637 louver features operable blades that allow positive shutoff protection of air intake and exhaust openings. The EXD-637 is available in a wide array of anodized and painted finishes including custom color matching. These units are also available with a variety of factory mounted electric or pneumatic actuators.

Standard Construction

Material: Mill finish 6063-T5 extruded aluminum.

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

Blades: 37-1/2^o x 0.081" thick (2) thick combination style.

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

Linkage: Center, exposed.

Low Leakage Seals: PVC blade edge.

Minimum Size: 12" x 12" (305 x 305)

Maximum Size: 
Single Section:
72" x 120" (1828 x 3048) 
120" x 72" (3048 x 1828)
Multiple Section: Unlimited

Ratings

Free Area: 51.3%

Performance at Beginning Point of Water Penetration
Free Area Velocity: 1,231 fpm (6.26 m/s)
Air Volume Delivered: 10,134 cfm (4.78 m³/s)
Pressure Loss: 0.16 in. wg. (39 Pa)
Velocity @ 0.15 in. wg. Pressure Loss: 1,201 fpm (6.10 m/s)

Design Load: 30 psf