Steel Louver - 4" Deep - 45 Degree J-Blade BD Intake - Galvannealed Steel - SBI-445

Standard Construction

Material: Galvannealed steel.

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

Blades: 45^o x 20 ga. (1) thick J-style BD intake.

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: 36" x 96" (914 x 2438)
Multiple Section: Unlimited

Ratings

Free Area: 7.5 ft² (0.70 m²)

Performance @ Beginning Point of Water Penetration

Free Area Velocity: 775 fpm (3.94 m/s)

Air Volume Delivered: 5813 cfm (2.75 m³/s)

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

Velocity @ 0.15 in. wg. Pressure Loss: 811 fpm (4.12 m/s)

Design Load: 30 psf