Brochure

*Outlet velocity and Ak based on 15° deflection
Throw data is based on Terminal Velocities of 150 FPM, 100 FPM, and 50 FPM respectively.
THROW-NC-TOTAL PRESSURE are based on 15° blade deflection. For 0° or 30° deflection
the following correction factors should be applied to the table values.
DL Drum Louver (Page 48-51)
Outlet* Velocity 800 1000 1200 1400 1600 1800 2100
Static Pressure .007 .010 .015 .025 .030 .040 .052
Total Pressure .039 .065 .100 .147 .194 .254 .330
CFM 560 700 840 980 1120 1260 1470
Throw 10-20-35 18-25-43 23-31-51 26-35-58 29-39-64 33-44-71 36-49-78
CFM 840 1050 1260 1470 1680 1890 2205
Throw 17-25-42 24-32-53 28-38-63 33-43-72 38-49-81 43-55-90 48-60-99
CFM 1120 1400 1680 1960 2240 2520 2940
Throw 20-28-49 27-36-62 32-43-74 38-50-86 44-57-97 49-64-107 55-61-120
CFM 1400 1750 2100 2450 2800 3150 3675
Throw 22-29-56 29-39-71 37-48-85 44-56-99 51-64-117 58-73-127 64-81-138
CFM 1720 2150 2580 3010 3440 3870 4515
Throw 25-33-61 33-44-78 42-53-94 49-63-110 58-74-125 66-83-140 75-92-155
CFM 2000 2500 3000 3500 4000 4500 5250
Throw 28-37-68 37-49-87 47-61-107 57-73-125 67-86-142 76-97-160 86-110-180
Data based on 8dB room atenuation
Outlet* Velocity 800 1000 1200 1400 1600 1800 2100
Static Pressure .007 .010 .015 .025 .030 .040 .052
Total Pressure .039 .065 .100 .147 .194 .254 .330
CFM 600 750 900 1050 1200 1350 1575
Throw 3-10-28 9-18-36 14-24-36 21-27-50 24-30-56 25-32-58 29-38-69
CFM 800 1000 1200 1400 1600 1800 2100
Throw 9-17-35 17-24-43 22-28-52 25-32-60 29-37-68 31-40-72 35-44-80
CFM 1000 1250 1500 1750 2000 2250 2625
Throw 13-21-38 21-26-48 25-32-58 29-38-68 34-43-77 38-48-86 42-54-95
CFM 1240 1550 1860 2170 2480 2790 3255
Throw 14-23-42 22-28-54 27-35-65 32-41-76 37-47-86 41-54-97 46-59-107
CFM 1640 2050 2460 2870 3280 3690 4305
Throw 19-25-48 27-35-66 35-43-79 39-50-93 45-58-105 51-65-118 57-72-130
CFM 2040 2550 3060 3570 4080 4590 5355
Throw 24-30-61 31-40-78 38-48-96 45-58-114 52-66-130 58-75-145 65-83-163
CFM 2400 3000 3600 4200 4800 5400 6300
Throw 27-34-68 35-46-88 43-58-106 52-68-125 60-79-143 68-89-160 76-100-176
CFM 2800 3500 4200 4900 5600 6300 7350
Throw 29-38-72 40-51-95 50-64-118 60-76-140 71-89-160 81-101-184 90-112-195
Data based on 8dB room atenuation
12-Inch
Size
(H x W)
A
k
Area
Neck
Area
(Ft
2
)
12 x 20
.70
1.670
12 x 30
1.05
2.500
12 x 40
1.40
3.330
12 x 50
1.75
4.160
12 x 60
2.15
5.000
15-Inch
12 x 70
2.50
5.830
Size
(H x W)
A
k
Area
Neck
Area
(Ft
2
)
15 x 15
.75
1.560
15 x 20
1.00
2.080
15 x 25
1.25
2.600
15 x 30
1.55
3.120
15 x 40
2.05
4.170
15 x 70
3.50
7.300
15 x 50
2.55
5.210
15 x 60
3.00
6.250
Throw Total Pressure NC
0°
1.2 0.795 -4
30°
0.8 1.430 +5
NC<30 NC<35 NC<40
Recommended Noise Criteria and Face Velocity Ranges are on page 75
Engineering Data
107
Engineering Data