Steel Louver - 4" Deep - 30 Degree J-Blade - Galvannealed Steel - SFJ-430

Standard Construction

Material: Galvannealed steel.

Frames: 4" deep x 20 ga. thick (102 x 1) channel.

Blades: 30^o x 20 ga. (1) thick J-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: 48" x 96" (1219 x 2438)
Multiple Section: Unlimited

Ratings

Free Area: 8.2 ft² (0.76 m²)

Performance @ Beginning Point of Water Penetration

in. wg. Pressure Loss: 847 fpm (4.30 m/s)

Free Area Velocity: 847 fpm (4.30 m/s)

Air Volume Delivered: 6945 cfm (3.28 m³/s)

Pressure Loss: 0.13 in. wg. (32 Pa)

Velocity @ 0.15 in. wg. Pressure Loss: 900 fpm (4.57 m/s)

Velocity @ 0.15Design Load: 30 psf