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Description: The standard SLB stationary louver is manufactured from 16ga galvanized material formed and riveted. The stationary blades are a "J" style positioned at a 45 degree angle and spaced approx. 4"+/- on center. 20ga 1/2" galvanized mesh screen is positioned on the back side of the louver.
Standard Style - Galvanized Construction: Optional: Galvanneal ( Paint grip) Order duct size WxH width x height-all louvers will be 1/4" smaller both ways.(2" deep frame is standard on all louvers 12" height and under)
Aluminum 3003 Construction:
Kynar Aluminum Color Clad Construction:
Options:2" deep frame (standard on 12" height and under) 4" deep frame (standard) 6" deep frame Sill Extension
(SLB) Standard Louver Box
( 7 6 3 ) 7 8 3 - 7 1 7 3 • ( 8 0 0 ) 2 9 7 - 9 3 6 0 • F a x : ( 7 6 3 ) 7 8 5 - 6 9 7 7 • 2 8 1 C o m m e r c e C i r c l e S o u t h , P O B o x 3 2 6 1 0 • M i n n e a p o l i s , M N 5 5 4 3 2
Frame: 16ga galvanized formed – 4" deep
Blades: 16ga galvanized formed – riveted to frame
Screen: 1/2" dia. 20ga galvanized expanded metal
Max. Single Section: 36"x72", 72"x36", 54"x54" (See free area chart*)
Multiple section assembly: Unlimited
Frame: .063 3003 aluminum formed – 4" deep
Blades: .063 3003 aluminum formed – riveted to frame
Screen: 1/2"dia. .032 aluminum expanded metal
Max. Single Section: 60"x36", 48"x60"
Multiple section assembly: Unlimited
Frame: .050 aluminum color clad formed – 4" deep
Blades: .050 aluminum color clad formed-riveted to frame
Screen: 1/2"dia. .032 aluminum expanded metal
Max. Single Section: 48"x60"
Multiple section assembly: Unlimited
4"+/-
4"
Model: SLB Standard Louver Box
Free Area Chart for (SLB) and (SLF) Louvers
( 7 6 3 ) 7 8 3 - 7 1 7 3 • ( 8 0 0 ) 2 9 7 - 9 3 6 0 • F a x : ( 7 6 3 ) 7 8 5 - 6 9 7 7 • 2 8 1 C o m m e r c e C i r c l e S o u t h , P O B o x 3 2 6 1 0 • M i n n e a p o l i s , M N 5 5 4 3 2
12" 18" 24" 30" 36" 42" 48"
8" 0.143 0.225 0.300 0.378 0.456 0.534 0.612
10" 0.230 0.355 0.479 0.605 0.730 0.855 0.983
12" 0.287 0.443 0.599 0.758 0.915 1.07 1.22
14" 0.373 0.576 0.780 0.983 1.19 1.39 1.59
12" 18" 24" 30" 36" 42" 48" 54" 60" 66" 72"
12" 0.272 0.421 0.569 0.718 0.870 1.01 1.16 1.31 1.46 1.61 1.76
14" 0.344 0.532 0.719 0.908 1.10 1.28 1.47 1.66 1.85 2.03 2.22
16" 0.488 0.750 1.02 1.28 1.55 1.82 2.08 2.35 2.61 2.88 3.14
18" 0.516 0.795 1.08 1.36 1.64 1.92 2.21 2.48 2.77 3.05 3.33
20" 0.631 0.975 1.32 1.66 2.00 2.35 2.69 3.04 3.38 3.73 4.07
22" 0.731 1.13 1.53 1.93 2.33 2.72 3.12 3.52 3.92 4.32 4.72
24" 0.745 1.16 1.56 1.97 2.37 2.78 3.18 3.59 4.00 4.40 4.81
28" 0.945 1.46 1.98 2.49 3.01 3.53 4.04 4.55 5.07 5.59 6.11
30" 0.990 1.53 2.07 2.60 3.14 3.68 4.22 4.76 5.30 5.84 6.38
32" 1.15 1.77 2.40 3.02 3.65 4.27 4.90 5.52 6.14 6.77 7.40
36" 1.35 2.08 2.81 3.55 4.28 5.02 5.75 6.49 7.22 7.96 8.69
40" 1.43 2.21 2.99 3.78 4.56 5.34 6.12 6.90 7.68
42" 1.55 2.39 3.23 4.08 4.92 5.77 6.61 7.46 8.30
44" 1.65 2.54 3.44 4.34 5.24 6.14 7.04 7.94 8.84
46" 1.76 2.72 3.69 4.65 5.61 6.57 7.53 8.49 9.45
48" 1.86 2.88 3.89 4.91 5.93 6.94 7.96 8.97 9.99
54" 2.14 3.30 4.46 5.63 6.79 7.96 9.12
60" 2.51 3.87 5.24 6.61 7.97 9.35 10.71
70" 2.75 4.25 5.75 7.25 8.75
72" 2.81 4.34 5.87 7.40 8.93
2" Deep Louver
4" Deep Louver
FA = CFM divided by FPM