Model EFY-445

Extruded Aluminum Louver
4" Deep - 45 Degree Inverted Y-Blade

The EFY-445 extruded aluminum louver is designed for intake and exhaust application where line of sight protection is critical. The EFY-445 is well suited for special shape applications and is available with hidden mullions for a continuous blade appearance of multiple section assemblies. The EFY-445 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: 45^o x 0.081" (2) inverted Y-style.

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

Mimimum 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: 5.6 ft² (0.52 m²)

Performance @ Beginning Point of Water Penetration

Free Area Velocity: 834 fpm (4.24 m/s)

Air Volume Delivered: 4649 cfm (2.19 m³/s)

Pressure Loss: 0.42 in. wg. (105 Pa)

Velocity @ 0.15 in. wg. Pressure Loss: 477 fpm (2.42 m/s)

Design Load: 30 psf