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Performance certified is for installation type B: Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. 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 International Standard 301. Values shown are
for installation type B: free inlet hemispherical sone levels.
BSQ 100 - Belt Drive
Model
Number
Motor
HP
Fan
RPM
CFM / Static Pressure in Inches wg
0.125 0.250 0.500 0.625 0.750 1.000 1.250 1.500 1.750 2.000
100
100-4 1/4
1050
CFM 774 671
BHP 0.072 0.073
Sones 7.9 7.6
1330
CFM 1024 953 770
BHP 0.14 0.15 0.15
Sones 11.3 10.6 9.4
1469
CFM 1145 1080 931 837
BHP 0.19 0.20 0.20 0.20
Sones 13.2 12.6 11.0 10.5
1609
CFM 1265 1207 1088 1003 917
BHP 0.25 0.25 0.26 0.26 0.26
Sones 15.4 15.0 13.4 12.4 11.8
100-3 1/3 1772
CFM 1405 1352 1247 1187 1110 939
BHP 0.33 0.34 0.35 0.35 0.35 0.35
Sones 16.6 16.4 15.5 14.8 14.3 13.1
100-5 1/2
1901
CFM 1515 1465 1366 1320 1255 1115
BHP 0.40 0.41 0.43 0.43 0.43 0.43
Sones 18.0 17.8 17.4 17.1 16.6 16.2
2029
CFM 1623 1577 1484 1439 1396 1262 1119
BHP 0.49 0.50 0.52 0.52 0.52 0.52 0.52
Sones 19.8 19.6 19.4 19.0 18.6 18.2 17.2
100-7 3/4
2176
CFM 1747 1704 1617 1574 1533 1428 1305 1163
BHP 0.60 0.61 0.63 0.64 0.65 0.65 0.65 0.65
Sones 21 21 21 21 20 19.8 19.3 18.5
2323
CFM 1871 1830 1749 1708 1668 1591 1472 1358 1197
BHP 0.73 0.74 0.76 0.78 0.79 0.79 0.79 0.79 0.78
Sones 23 23 23 23 23 22 21 20 21
100-10 1
2440
CFM 1969 1930 1853 1815 1776 1703 1605 1494 1377 1184
BHP 0.84 0.86 0.88 0.89 0.90 0.91 0.91 0.91 0.91 0.88
Sones 25 25 24 24 25 23 23 22 22 23
2556
CFM 2066 2029 1956 1919 1882 1810 1734 1626 1522 1402
BHP 0.97 0.98 1.01 1.02 1.03 1.05 1.05 1.05 1.05 1.05
Sones 26 26 25 26 26 25 25 24 22 24
21
(533)
17
(432)
13
7
⁄8
(352)
17
(432)
1 (25)
*12
1
⁄2
(318)
*14
(356)
*15
1
⁄2
(394)
Damper size = 14 x 14 (357 x 357)
Unit weight** = 91 (41)
Housing thickness = 18 ga
MAX Bhp AT A GIVEN RPM = (rpm/2517)
3
MAXIMUM RPM = 2556
TIP SPEED (ft/min) = rpm x 2.928
MAX NEMA MOTOR FRAME SIZE = 145T
OUTLET VELOCITY (ft/min) = 0.7617 x cfm
0 1000 2000 3000 4000
0
100
200
300
400
500
600
700
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
0 500 1000 1500 2000 2500
0.0
0.5
1.0
1.5
2.0
2.5
3.0
Static Pressure in. wg
cfm
m
3
/hr
Static Pressure Pa
1 hp
3/4 hp
1/2 hp
1/3 hp
1/4 hp
2556
2210
1855
1500
1145
790
RPM
HP
Density 0.075 lb/ft
3
Dimensions shown in inches (millimeters) and weight is shown in pounds (kilograms).
*Motor cover is optional. Size may be greater depending on motor.
**Weight shown is largest cataloged Open Drip Proof motor.