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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.
32
BSQ 140HP - Belt Drive
22
(559)
23
(584)
19
7
⁄8
(505)
23
(584)
1 (25)
*12
1
⁄2
(318)
*16
(406)
*17
7
⁄8
(454)
Damper size = 20 x 20 (508 x 508)
Unit weight** = 111 (50)
Housing thickness = 18 ga
Model
Number
Motor
HP
Fan
RPM
CFM / Static Pressure in Inches wg
0.500 0.750 1.000 1.250 1.500 1.750 2.000 2.500 3.000 3.500
140HP
140HP-3 1/3
1340
CFM 1285 1082
BHP 0.27 0.27
Sones 11.4 11.2
1453
CFM 1449 1281 1058
BHP 0.35 0.35 0.34
Sones 13.3 12.8 12.4
140HP-5 1/2
1559
CFM 1601 1452 1270 948
BHP 0.42 0.43 0.43 0.39
Sones 15.1 14.6 14.2 13.4
1664
CFM 1742 1607 1456 1264 800
BHP 0.51 0.52 0.52 0.52 0.43
Sones 16.5 15.9 15.5 15.0 13.8
140HP-7 3/4
1785
CFM 1902 1782 1652 1495 1307
BHP 0.63 0.64 0.65 0.65 0.64
Sones 17.9 17.3 16.7 16.1 15.5
1905
CFM 2057 1954 1832 1701 1548 1363
BHP 0.76 0.77 0.79 0.79 0.79 0.77
Sones 19.7 19.1 18.4 17.7 17.1 16.7
140HP-
10
1 2096
CFM 2298 2211 2108 1998 1878 1741 1581
BHP 1.01 1.02 1.03 1.05 1.05 1.05 1.04
Sones 24 23 22 21 20 20 19.7
140HP-
15
1
1
⁄2
2197
CFM 2425 2344 2253 2145 2041 1918 1783 1299
BHP 1.16 1.18 1.18 1.21 1.21 1.21 1.21 1.08
Sones 26 25 24 23 22 22 22 22
2399
CFM 2676 2603 2525 2437 2339 2244 2134 1882 1381
BHP 1.50 1.52 1.53 1.54 1.57 1.57 1.57 1.56 1.39
Sones 30 29 28 27 26 25 24 23 23
140HP-
20
2
2520
CFM 2825 2755 2684 2606 2515 2423 2330 2107 1839
BHP 1.73 1.76 1.78 1.78 1.81 1.82 1.82 1.82 1.79
Sones 32 31 30 30 28 27 26 25 24
2641
CFM 2973 2907 2841 2768 2688 2599 2512 2319 2088 1759
BHP 1.98 2.01 2.04 2.05 2.06 2.09 2.10 2.10 2.09 2.00
Sones 33 33 33 32 31 30 29 27 26 24
MAX Bhp AT A GIVEN RPM = (rpm/2064)
3
MAXIMUM RPM = 2641
TIP SPEED (ft/min) = rpm x 3.812
MAX NEMA MOTOR FRAME SIZE = 145T
OUTLET VELOCITY (ft/min) = 0.3692 x cfm
0 1000 2000 3000 4000 5000
0
200
400
600
800
1000
1200
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 3000 3500
0
1
2
3
4
5
Static Pressure in. wg
cfm
m
3
/hr
Static Pressure Pa
2 hp
1 1/2 hp
1 hp
3/4 hp
1/2 hp
1/3 hp
2641
2270
1900
1530
1160
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.