Model EX-437-CM

Concealed Motor
4" Deep, 37-1/2° Combination Blade

The EX-437-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-437-CM closely reflects the available options and performance of the EX-437, with the added benefit of a spring return actuator concealed within the louver sill. The EX-437-CM is available in a wide array of anodized and painted finishes including custom color matching.

Standard Construction

Material: Mill finish 6063-T5 extruded aluminum.
Frame: 4" deep x 0.081" thick (102 x 2) channel.
Blades: 371/2° 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 15" (457 x 381)
Maximum Size: Single section: 60" x 96" (1524 x 2436)
                          Multiple section: Unlimited
 

Ratings

Design Load: 30 psf
 
Operation
At maximum size, this louver is designed to open and close at a minimum of 1,000 fpm @ 1.0 in. wg. pressure loss.
Operating Temperature Range: -20°F to +180°F (-7°C to +82°C)