
1
(25)
Performance certified is for installation type B: Free inlet, Ducted outlet. Performance ratings do not include the effects of appurtenances (accessories).
The sound ratings shown are loudness values in fan sones at 1.5 m (5 feet) in a hemispherical free field calculated per AMCA Standard 301. Values shown are for installation
type B: free inlet hemispherical fan sone levels.
19
SQ 160 - Direct Drive
0 0.25 0.5 0.75 1 1.25 1.5 1.75 1.875 2
1/4 860
CFM 2506 2147 1605
BHP 0.2 0.23 0.24
Sones 8.8 7.2 6.5
SQ-160-B 1/2 1140
CFM 3322 3061 2773 2388 1808
BHP 0.47 0.51 0.54 0.56 0.51
Sones 14.0 12.8 11.9 11.4 10.8
2 1725
CFM 5027 4856 4683 4504 4312 4094 3845 3575 3414 3236
BHP 1.64 1.69 1.74 1.8 1.85 1.89 1.93 1.95 1.94 1.91
Sones 26 25 24 24 24 24 24 24 24 24
Damper size = 23 x 23 (584 x 584)
Unit weight** = 160 (73)
Housing thickness = 18 ga
Outlet velocity = 0.275 x cfm
Dimensions shown in inches (millimeters) and weight is
shown in pounds (kilograms).
*May be greater depending on motor.
**Weight shown is largest cataloged Open Drip Proof motor.
26
(660)
26
(660)
*22
7
⁄8
(581)
26
(660)
0 2 4 6 8 10
0
100
200
300
400
500
600
D
O
N
O
T
S
E
L
E
C
T
T
O
T
H
E
L
E
F
T
O
F
T
H
I
S
S
Y
S
T
E
M
C
U
R
V
E
0 1000 2000 3000 4000 5000 6000
0.0
0.4
0.8
1.2
1.6
2.0
2.4
2.8
Static Pressure in. wg
cfm
m
3
/hr X 1000
Static Pressure Pa
1725
1140
860
RPM
Density 0.075 lb/ft
3
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