ACOUSTICAL LOUVERS
Acoustical louvers have blades packed with sound dampening material. They are used in areas where both ventilation and minimal sound levels are desired. Commonly used in ventilation systems in mechanical equipment rooms.
EAA-645 EAA-845
EAA-1245 FAA-1245
EAJ-437 EAJ-637
THE 12" EAJ-1235 IS AMCA CERTIFIED FOR WATER PENETRATION, SOUND AND AIR PERFORMANCE. IT IS AMCA 540 LISTED FOR IMPACT RESISTANCE.
EAJ-1235
SAJ-835 SAJ-1235
BEGINNING POINT OF WATER PENETRATION RATINGS
NOISE REDUCTION
– WP/AP AMCA CERT.*
AMCA 540
BLADE STYLE
25.0% 4.0 37.9% 6.1 20.7% 3.3 33.7% 5.4 32.5% 5.2 30.6% 4.9 26.3% 4.2 33.1% 5.3 30.6% 4.9 FREE AREA (%) ( sq.ft. )
BLADE ANGLE
MODEL
DEPTH
125 250 500 1K 2K 4K
– – – – – ● – – –
45° 45° 45° 37° 37° 35° 45° 35° 35°
INSULATED AIRFOIL INSULATED AIRFOIL INSULATED AIRFOIL INSULATED-J INSULATED-J INSULATED-J FORMED-AIRFOIL
11 8 13 11 10 12 13 13 12
11 8 14 10 10 14 14 13 14
13 10 17 12 12 18 17 19 18
16 14 19 17 22 21 19 26 21
18 15 18 18 20 19 18 28 19
17 13 17 17 19 16 17 23 16
1,137 649 999 740 890 924 999 808 924
4,541 3,931 3,307 3,992 4,627 4,528 4,196 4,293 4,528
0.06 0.03 0.09 0.06 0.15 0.08 0.09 0.07 0.08
6" 8" 12"
EAA-645 EAA-845 EAA-1245 EAJ-437 EAJ-637 EAJ-1235 FAA-1245 SAJ-835 SAJ-1235
– – – WP/S/AP – – WP/S/AP
4" 6"
12" 12" 8" 12"
FORMED-J FORMED-J
AP Air Performance
S
WP
*AMCA CERT LEGEND:
Sound
Water Penetration
14
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