Bsq 80 - belt drive – Greenheck Fan SQ User Manual
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21
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.
BSQ 80 - Belt Drive
Model Number
Motor
HP
Fan
RPM
CFM / Static Pressure in Inches wg
0.125
0.25
0.5
0.75
1
1.25
1.5
1.75
2
2.5
BSQ-80-4
1/4
1050
CFM
372
298
BHP
0.049
0.049
Sones
8.0
7.6
1207
CFM
445
386
206
BHP
0.073
0.075
0.065
Sones
9.7
9.1
8.2
1520
CFM
585
542
442
301
BHP
0.15
0.15
0.15
0.14
Sones
13.9
13.5
11.8
10.8
1676
CFM
652
615
530
426
254
BHP
0.19
0.2
0.2
0.2
0.17
Sones
15.9
15.6
14.1
12.9
11.5
1833
CFM
720
687
613
524
424
BHP
0.25
0.26
0.26
0.26
0.25
Sones
17.2
16.9
16.3
15.3
14.3
BSQ-80-3
1/3
1926
CFM
760
728
660
579
486
346
BHP
0.29
0.3
0.3
0.3
0.3
0.27
Sones
18.4
18.3
17.8
17.1
16.9
13.9
2018
CFM
799
769
704
630
545
452
269
BHP
0.34
0.34
0.35
0.35
0.34
0.34
0.28
Sones
19.6
19.5
19.2
18.4
18.1
16.7
13.5
BSQ-80-5
1/2
2164
CFM
861
833
774
708
633
550
442
BHP
0.41
0.42
0.43
0.43
0.43
0.42
0.4
Sones
21
21
21
20
19.6
19.2
17.6
2310
CFM
924
897
842
784
716
643
563
445
BHP
0.5
0.51
0.52
0.52
0.52
0.52
0.51
0.48
Sones
23
23
22
23
21
21
20
19.9
BSQ-80-7
3/4
2478
CFM
995
969
919
865
807
743
671
597
486
BHP
0.62
0.63
0.63
0.64
0.65
0.65
0.64
0.63
0.59
Sones
25
25
24
25
24
23
22
22
23
2645
CFM
1065
1041
995
945
894
835
773
705
635
395
BHP
0.75
0.76
0.77
0.78
0.79
0.79
0.78
0.77
0.77
0.65
Sones
28
28
27
27
27
26
25
24
24
35
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** = 79
(36)
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/2866)
3
MAXIMUM RPM = 2645
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
0
100
200
300
400
500
600
700
DO
N
O
T
SE
LE
C
T
TO
T
H
E
L
E
FT
O
F
TH
IS
S
Y
S
TE
M
C
U
R
V
E
0
200
400
600
800
1000
1200
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
790
1160
1530
1900
2270
2645
3/4 hp
1/2 hp
1/3 hp
1/4 hp
RPM
HP
Density 0.075 lb/ft
3