Model EVS-422

Extruded Aluminum Louver
4" Deep - Sand Louver

The EVS-422 offers exceptional protection against wind-driven sand and is ideally suited for high wind areas or applications that are sensitive to wind-driven sand. The EVS-422 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: 4" wide x 0.081" (102 x 2) thick vertical style.
Screen: 1/2" x 0.063" (12.7 x 1.6) expanded and flattened aluminum.
Mullion: Visible.
Minimum Size: 12" x 12" (305 x 305)
Maximum Size: Single Section: 60" x 120" (1524 x 3048)
​                                                    120" x 60" (3048 x 1524)
                           Multiple Section: Unlimited

Ratings

Free Area: 2.5 ft² (0.26 m²)

Performance @ Beginning Point of Water Penetration
Free Area Velocity: 1250 fpm (6.35 m/s)
Air Volume Delivered: 3113 cfm (1.47 m³/s)
Pressure Loss: 0.22 in. wg. (56 Pa)

Velocity @ 0.15 in. wg. Pressure Loss: 1020 fpm (5.18 m/s)
Design Load: 30 psf