Aluminum & Steel Drainable        
Fixed Blade Louvers

 

      
Model Depth Blade Angle Blade/Frame Thickness Free Area (sq.ft.) Free Area % FPM+ Pressure Drop
SDL-2 / EXSDL-2* 2" 45° 16ga/.063 7.52 47% 804 .10"
SDL-4 / EXSDL-4* 4" 45° 16ga/.081 7.36 46% 1118 .11"
SDL-6 / EXSDL-6* 6" 36° 16ga/.094 9.59 60% 963 .12"
     

Optional Material:

Copper and Stainless Steel

*AMCA tested

+Point of beginning water penetration, .01 oz. water/sq ft. F.A. tested size 4'x4' for 15 minutes.

**At 0.01 oz. in. H20

  Available in a diversity of shapes.

SDL-2*         16 Gauge Galvanized, Boxed Corners

EXSDL-2*  .063 Extruded Aluminum, Boxed Corners

WIDTH

H

E

I

G

H

T

   12 24 36 48 60 72 84 96 108 120
12 0.18 0.36 0.55 0.73 0.91 1.09 1.27 1.46 1.64 1.82
24 0.51 1.01 1.52 2.02 2.53 3.04 3.54 4.05 4.55 5.06
36 0.80 1.59 2.39 3.18 3.98 4.77 5.57 6.36 7.16 7.95
48 1.24 2.48 3.72 4.96 6.20 7.44 8.68 9.92 11.16 12.40
60 1.57 3.14 4.71 6.28 7.85 9.42 10.99 12.56 14.13 15.70
72 1.91 3.82 5.72 7.63 9.54 11.45 13.36 15.26 17.17 19.08
84 2.24 4.48 6.72 8.96 11.20 13.44 15.68 17.93 20.17 22.41
96 2.57 5.15 7.72 10.30 12.87 15.45 18.02 20.60 23.17 25.75
108 2.91 5.82 8.73 11.63 14.54 17.45 20.36 23.27 26.18 29.09
120 3.24 6.49 9.73 12.97 16.21 19.46 22.70 25.94 29.18 32.43
                                    Free Area Chart

    

AMCA TESTED            EXSDL-2*

 

        

 

                          

               

 

        

 

 

SDL-4*         16 Gauge Galvanized, Boxed Corners

EXSDL-4*  .081 Extruded Aluminum, Boxed Corners

H

E

I

G

H

T

WIDTH

  12 24 36 48 60 72 84 96 108 120
12 0.23 0.46 0.69 0.92 1.15 1.38 1.61 1.84 2.07 2.30
24 0.64 1.28 1.92 2.56 3.20 3.84 4.48 5.12 5.76 6.40
36 1.06 2.11 3.17 4.22 5.28 6.33 7.39 8.44 9.50 10.55
48 1.52 3.04 4.56 6.08 7.60 9.12 10.64 12.16 13.68 15.20
60 1.94 3.88 5.82 7.76 9.70 11.64 13.58 15.52 17.46 19.40
72 2.36 4.72 6.98 9.43 11.74 14.09 16.44 18.78 21.13 23.48
84 2.78 5.56 8.21 11.11 13.82 16.59 19.35 22.11 24.88 27.64
96 3.20 6.40 9.42 12.79 15.89 19.07 22.25 25.43 28.60 31.78
108 3.62 7.24 10.63 14.46 17.96 21.56 25.15 28.74 32.33 35.92
120 4.10 8.20 12.30 17.49 22.78 26.37 30.81 35.25 39.69 44.13
                                   Free Area Chart
 

AMCA TESTED            EXSDL-4*

   

SDL-6*        16 Gauge Galvanized, Boxed Corners

EXSDL-6* .094 Extruded Aluminum, Boxed Corners

WIDTH

H

E

I

G

H

T

   12 24 36 48 60 72 84 96 108 120
12 0.22 0.43 0.65 0.86 1.08 1.30 1.51 1.73 1.94 2.16
24 0.66 1.32 1.99 2.65 3.31 3.97 4.63 5.30 5.96 6.62
36 1.12 2.24 3.37 4.49 5.61 6.73 7.85 8.98 10.10 11.22
48 1.60 3.20 4.80 6.40 8.00 9.60 11.20 12.80 14.40 16.00
60 2.05 4.10 6.15 8.20 10.25 12.30 14.35 16.40 18.45 20.50
72 2.52 5.04 7.56 10.08 12.60 15.12 17.64 20.16 22.68 25.20
84 2.98 5.95 8.93 11.91 14.88 17.86 20.84 23.81 26.79 29.77
96 3.44 6.87 10.31 13.75 17.18 20.62 24.06 27.49 30.93 34.37
108 3.90 7.79 11.69 15.59 19.48 23.38 27.28 31.17 35.07 38.97
120 4.36 8.71 13.07 17.43 21.78 26.14 30.50 34.85 39.21 43.57
                                        Free Area Chart
 

       

 AMCA TESTED       EXSDL-6*     

           

 
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