Model EFJ-245

Extruded Aluminum Louver
2" Deep - 45 Degree J-Blade

The EFJ-245 extruded aluminum louver is designed for intake and exhaust application where protection against water infiltration is not critical. The EFJ-245 is well suited for special shape applications and is available with hidden mullions for a continuous blade appearance of multiple section assemblies.

Standard Construction

Material: Mill finish 6063-T5 extruded aluminum.

Frames: 2" deep x 0.060" thick (51 x 1.5) channel.

Blades: 45^o x 0.060" (1.5) thick J-style.

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

Mullion: Visible.

Minimum Size: 4.5" x 5" (114 x 140)

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

Ratings

Free Area: 7.3 ft² (0.68 m²)

Performance @ Beginning Point of Water Penetration

Free Area Velocity: 942 fpm (4.79 m/s)

Air Volume Delivered: 6911 cfm (3.26 m³/s)

Pressure Loss: 0.20 in. wg. (49 Pa)

Velocity @ 0.15 in. wg. Pressure Loss: 823 fpm (4.18 m/s)