6" Deep, 37-1/2°
The EX-645-CM combination louver features stationary drainable louver blades to protect against water penetration and an integral control damper to allow positive shutoff protection of air intake and exhaust openings. The EX-645-CM closely reflects the available options and performance of the EX-645, with the added benefit of a spring return actuator concealed within the louver sill.
Material: Mill finish 6063-T5 extruded aluminum.
Frame: 6" deep x 0.081" thick (152 x 2) channel.
Blades: 37.5° and 45° x 0.081" (2) thick combination style.
Screen: 1/2" x 0.063" (12.7 x 1.6) expanded and flattened aluminum.
Axles: 1/2" (13) diameter plated steel hex.
Linkage: Concealed in frame.
Actuator: 2-Position spring return, AC universal power (24V, 120V, 240V).
Bearings: Synthetic.
Mullion: Visible.
Minimum Size: 18" x 18" (457 x 457)
Maximum Size: Single section: 60" x 96" (1524 x 2436)
Multiple section: Unlimited
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