Model SFK-645
Galvannealed Steel Louver
6" Deep - 45 Degree K-Blade
The SFK-645 formed steel louver is designed for intake and exhaust application where protection against water infiltration is not critical. The SFK-645 is available in a wide array of painted finishes including custom color matching.
Standard Construction
Material: Galvannealed steel.
Frames: 6" deep x 20 ga. thick (152 x 1) channel.
Blades: 45o x 20 ga. (1) thick K 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: 8.0 ft2 (0.74 m2)
Performance @ Beginning Point of Water Penetration
Free Area Velocity: 800 fpm (4.06 m/s)
Air Volume Delivered: 6400 cfm (3.02 m3/s)
Pressure Loss: 0.09 in. wg. (22 Pa)
Design Load: 30 psf
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