Combination Louver - 6" Deep - 37-1/2 to 45 Degree Drainable/Operable Airfoil Blade - Extruded Aluminum - EXA-645

Standard Construction

Material: Mill finish 6063-T5 extruded aluminum.

Frames: 6" deep x 0.081" thick (152 x 2) channel.

Blades:
Front: 37.5^o x 0.081" (2) thick drainable style.
Back:45^o 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.

Minimum Size: 12" x 9" (305 x 229)

Maximum Size:
Single Section: 60" x 96" (1524 x 2438)
Multiple Section: Unlimited

Ratings

Free Area: 8.1 ft² (0.75 m²)

Leakage: Class 1A

Performance @ Beginning Point of Water Penetration

Free Area Velocity: 1085 fpm (5.51 m/s)

Air Volume Delivered: 8756 cfm (4.13 m³/s)

Pressure Loss: 0.11 in. wg. (27 Pa)

Velocity @ 0.15 in. wg. Pressure Loss: 1272 fpm (6.46 m/s)

Design Load: 25 psf

Operating Temperature Range: -20^oF to + 180^oF (-7^oC to + 82^oC)