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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.
40
Damper size = 35 x 35 (889 x 889)
Unit weight** = 415 (188)
Housing thickness = 18 ga
Model
Number
Motor
HP
Fan
RPM
CFM / Static Pressure in Inches wg
0.5 0.75 1 1.25 1.5 2 2.5 3 3.5 4
240HP
240HP-
10
1
780
CFM 4321 3791 2789
BHP 0.88 0.90 0.83
Sones 14.4 14.0 13.5
820
CFM 4643 4149 3492
BHP 1.01 1.04 1.03
Sones 15.2 14.8 14.3
240HP-
15
1
1
⁄2 939
CFM 5552 5159 4721 4161
BHP 1.48 1.54 1.57 1.55
Sones 18.1 17.3 16.8 16.3
240HP-
20
2
986
CFM 5903 5541 5135 4693 4013
BHP 1.69 1.76 1.81 1.82 1.76
Sones 19.2 18.2 17.9 17.5 17.0
1033
CFM 6251 5909 5533 5128 4609
BHP 1.93 2.01 2.07 2.09 2.07
Sones 20 19.3 18.9 18.6 18.2
240HP-
30
3 1183
CFM 7336 7046 6747 6419 6073 5209
BHP 2.85 2.94 3.02 3.09 3.13 3.10
Sones 25 24 22 22 22 21
240HP-
50
5
1256
CFM 7843 7589 7307 7016 6700 6030 4920
BHP 3.37 3.48 3.57 3.65 3.72 3.77 3.59
Sones 27 26 25 24 23 22 22
1329
CFM 8346 8125 7859 7593 7304 6686 5897
BHP 3.96 4.09 4.18 4.28 4.35 4.44 4.40
Sones 30 28 27 26 25 24 23
1402
CFM 8848 8657 8405 8152 7897 7327 6721 5790
BHP 4.61 4.76 4.86 4.96 5.06 5.20 5.24 5.09
Sones 33 31 30 29 27 25 25 24
240HP-
75
7
1
⁄2
1470
CFM 9313 9132 8908 8667 8427 7901 7334 6622 5565
BHP 5.28 5.44 5.57 5.67 5.77 5.94 6.02 5.97 5.70
Sones 36 34 32 32 31 27 26 25 24
1605
CFM 10232 10066 9896 9675 9455 9007 8512 7987 7348 6474
BHP 6.80 6.98 7.16 7.27 7.38 7.60 7.78 7.84 7.80 7.57
Sones 43 42 39 38 38 34 30 29 28 27
MAX Bhp AT A GIVEN RPM = (rpm/807)
3
MAXIMUM RPM = 1605
TIP SPEED (ft/min) = rpm x 6.414
MAX NEMA MOTOR FRAME SIZE = 215T
OUTLET VELOCITY (ft/min) = 0.1192 x cfm
0 5 10 15 20
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 2 4 6 8 10 12
0
1
2
3
4
5
Static Pressure in. wg
cfm X 1000
m
3
/hr X 1000
Static Pressure Pa
7 1/2 hp
5 hp
3 hp
2 hp
1 1/2 hp
1 hp
1605
1360
RPM
HP
Density 0.075 lb/ft
3
400
640
880
1120
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.
BSQ 240HP - Belt Drive
34
(864)
39
(991)
34
7
⁄8
(886)
39
(991)
1
1
⁄2 (38)
*19
(483)
*22
(559)
*32
7
⁄8
(835)