Bsq 90 - belt drive – Greenheck Fan SQ User Manual
Page 22
Performance certified is for installation type B: Free inlet, Ducted outlet. Performance ratings do not include the effects of appurtenances (accessories). Power rating (Bhp)
does not include transmission losses.
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.
22
BSQ 90 - Belt Drive
Model Number
Motor
HP
Fan
RPM
CFM / Static Pressure in Inches wg
0.125
0.25
0.5
0.75
1
1.5
1.75
2
2.25
2.5
BSQ-90-4
1/4
1050
CFM
547
443
BHP
0.061
0.061
Sones
8.0
7.6
1211
CFM
655
574
333
BHP
0.092
0.095
0.084
Sones
9.8
9.1
8.3
1533
CFM
864
806
667
477
BHP
0.18
0.19
0.19
0.18
Sones
14.2
13.8
12.1
11.0
1694
CFM
965
914
798
654
437
BHP
0.25
0.25
0.26
0.25
0.22
Sones
16.0
15.8
14.4
13.1
12.3
BSQ-90-3
1/3
1780
CFM
1019
971
863
734
562
BHP
0.29
0.29
0.3
0.3
0.28
Sones
16.7
16.5
15.6
14.4
13.7
1866
CFM
1072
1028
926
808
657
BHP
0.33
0.33
0.35
0.35
0.33
Sones
17.5
17.3
16.9
15.9
15.4
BSQ-90-5
1/2
2136
CFM
1239
1202
1118
1024
917
638
BHP
0.49
0.5
0.51
0.52
0.52
0.47
Sones
21
21
21
19.9
19.2
18.4
BSQ-90-7
3/4
2291
CFM
1334
1300
1223
1138
1045
811
668
BHP
0.61
0.61
0.62
0.64
0.65
0.61
0.58
Sones
23
23
22
22
21
20
20
2445
CFM
1429
1396
1326
1249
1167
976
844
707
BHP
0.73
0.74
0.75
0.77
0.79
0.77
0.73
0.7
Sones
25
25
24
25
23
22
22
23
BSQ-90-10
1
2568
CFM
1504
1473
1407
1336
1258
1082
977
851
704
BHP
0.85
0.86
0.87
0.89
0.9
0.9
0.88
0.84
0.8
Sones
26
26
26
26
26
24
22
24
25
2691
CFM
1579
1549
1488
1420
1347
1186
1097
987
866
713
BHP
0.98
0.98
1
1.02
1.03
1.05
1.03
1
0.96
0.91
Sones
28
28
27
28
28
26
25
24
26
29
21
(533)
15
(381)
11
7
⁄
8
(302)
15
(381)
1
(25)
*12
1
⁄
2
(318)
*14
(356)
*15
1
⁄
2
(394)
Damper size = 12 x 12
(305 x 305)
Unit weight** = 84
(38)
Housing thickness = 20 ga
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.
MAX Bhp AT A GIVEN RPM = (rpm/2649)
3
MAXIMUM RPM = 2691
TIP SPEED (ft/min) = rpm x 2.928
MAX NEMA MOTOR FRAME SIZE = 145T
OUTLET VELOCITY (ft/min) = 1.0212 x cfm
0
500
1000
1500
2000
2500
3000
0
100
200
300
400
500
600
700
DO
N
OT
S
EL
EC
T
TO
T
H
E
LE
FT
O
F
TH
IS
S
Y
S
TE
M
C
U
R
V
E
0
200
400
600
800
1000
1200
1400
1600
1800
0.0
0.5
1.0
1.5
2.0
2.5
3.0
Static Pr
essur
e in. wg
cfm
m
3
/hr
Static Pr
essur
e Pa
1 hp
3/4 hp
1/2 hp
1/3 hp
1/4 hp
2691
2310
1930
1550
1170
790
RPM
HP
Density 0.075 lb/ft
3