Extruded Aluminum Louver
Louver Options
The EXA-645 combination louver features stationary drainable louver blades to protect against water penetration and an inegral airfoil blade control damper to allow positive shutoff protection of air intake and exhaust openings. The EXA-645 has a leakage class rating of 1A and is available in a wide array of anodized and painted finished including custom color matching. These units are also available with a variety of factory mounted electric or pneumatic actuators.
Material: Mill finish 6063-T5 extruded aluminum.
Frames: 6" deep x 0.081" thick (152 x 2) channel.
Blades: Front: 37.5o x 0.081" (2) thick drainable style.
Back: 45o x 0.125" (3) thick operable airfoil style.
Screen: 1/2" x 0.063" (12.7 x 1.6) expanded and flattened aluminum.
Axles: 1/2" (13) diameter steel hex.
Linkage: Concealed in frame.
Low Leakage Seals: TPV blade edge and flexible metal jamb.
Bearings: Synthetic.
Mullion: Visible.
Minimum Size: 12" x 9" (305 x 229)
Maximum Size: Single Section: 60" x 96" (1524 x 2438)
Note: Class 1A air leakage performance is limited to section heights of 96" (2438) or less.
Multiple Section: Unlimited
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