Standard Construction
Material: Galvannealed steel.
Frames: 6" deep x 20 ga. thick (152 x 1) channel.
Blades: 35o x 20 ga. (1) thick drainable style.
Screen: 1/2" x 0.063" (12.7 x 1.6) expanded and flattened aluminum.
Mullion: Visible.
Minimum Size: 12" x12" (305 x305)
Maximum Size:
Single Section: 48" x 96" (1219 x 2438)
Multiple Section: Unlimited
Ratings
Free Area: 9.9 ft2 (0.92 m2)
Performance @ Beginning Point of Water Penetration
Free Area Velocity: 815 fpm (4.14 m/s)
Air Volume Delivered: 8044 cfm (3.80 m3/s)
Pressure Loss: 0.08 in. wg. (20 Pa)
Velocity @ 0.15 in. wg. Pressure Loss: 1050 fpm (5.33 m/s)
Design Load: 30 psf