Model SBE-445
Galvannealed Steel Exhaust
4" Deep - 45 Degree J-Blade BD-Exhaust
The SBE-445 combination blade louver features stationary louver blades and an integral gavity operated backdraft damper to provide exhaust air openings in exterior walls. The SBE-445 is available in an array of painted finishes including custom color matching.
Standard Construction
Material: Galvannealed steel.
Frames: 4" deep x 20 ga. thick (102 x 1) channel.
Blades: 45o x 20 ga. (1) tthick J-style BD exhaust.
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: 0.13 in. wg. (32 Pa)
Velocity @ 0.15 in. wg. Pressure Loss: 840 fpm (4.26 m/s)
Design Load: 30 psf
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