Drainable Louver - 4" Deep - 37-1/2 Degree High Performance J-Blade - Extruded Aluminum - EFJ-437-HP

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 high performance J-style.

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

Mullion: Visible.

Minimum Size: 4.5" x 7" (114 x 178)

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

Ratings

Free Area: 9.0 ft² (0.84 m²)

Performance @ Beginning Point of Water Penetration

Free Area Velocity: 912 fpm (4.83 m/s)

Air Volume Delivered: 8220 cfm (3.88 m³/s)

Pressure Loss: 0.14 in. wg. (35 Pa)

Velocity @ 0.15 in. wg. Pressure Loss: 950 fpm (4.85 m/s)

Design Load: 30 psf