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Model SQ/BSQ • Centrifugal Inline Exhaust Fans
Horizontal Hanging or Base Mount Vertical Hanging or Base Mount
Figure 5
With a hanging mount, the motor may be
located on either top or bottom. The base
mount allows top motor location only. Both
provide access panel on two sides.
Figure 6
With either a hanging or base mount the
motor may be located on either side. The
base mount allows top access panels only.
Figure 7
Mounting brackets are turned 90° for vertical
mounting. Access panels are located on the
two sides adjacent to mounting brackets.
A
C
C
A
E
A
B
A
B
E
F
F
C
A
C
E
F
A
B
B
D
D
D
B
B
B
A
B
E
F
A
A
C
C
A
E
A
B
A
B
E
F
F
C
A
C
E
F
A
B
B
D
D
D
B
B
B
A
B
E
F
A
A
C
C
A
E
A
B
A
B
E
F
F
C
A
C
E
F
A
B
B
D
D
D
B
B
B
A
B
E
F
A
A
C
C
A
E
A
B
A
B
E
F
F
C
A
C
E
F
A
B
B
D
D
D
B
B
B
A
B
E
F
A
A
C
C
A
E
A
B
A
B
E
F
F
C
A
C
E
F
A
B
B
D
D
D
B
B
B
A
B
E
F
A
A
C
C
A
E
A
B
A
B
E
F
F
C
A
C
E
F
A
B
B
D
D
D
B
B
B
A
B
E
F
A
Chart 3: Vibration Isolator Dimensional Data
Model A B C D E F G H I J K L M N
SQ 60-75 10
5
⁄8 (270) 17 (432) 15
3
⁄4 (400) 8
7
⁄8 (225) 19
3
⁄4 (502) 7 (178)
2
(51)
1
3
⁄8
(35)
5
1
⁄2
(140)
2
(51)
1
3
⁄8
(35)
2
(51)
6
3
⁄4
(171)
2
5
⁄16
(59)
SQ 80-95 13
1
⁄4 (337) 20 (508) 18
3
⁄4 (476)
11
7
⁄8 (302)
43 (1092) 27
3
⁄8 (695)
BSQ 70-90 18
5
⁄8 (473) 20
1
⁄8 (511) 18
3
⁄4 (476)
11
7
⁄8 (302)
48
5
⁄16 (1227) 27
3
⁄8 (695)
SQ-BSQ 100 18
5
⁄8 (473) 22
1
⁄8 (562) 20
3
⁄4 (527) 13
7
⁄8 (352) 44
7
⁄8 (1140) 24 (610)
SQ-BSQ 120 18
5
⁄8 (473) 24 (610) 22
3
⁄4 (578) 16 (406) 49
3
⁄8 (1254) 28
1
⁄8 (714)
SQ-BSQ 130 (HP) 18
5
⁄8 (473) 26
1
⁄8 (664) 24
3
⁄4 (629)
17
7
⁄8 (454)
44 (1118) 23 (584)
SQ-BSQ 140 (HP) 19
5
⁄8 (498) 28
1
⁄8 (714) 26
3
⁄4 (679)
19
7
⁄8 (505)
50
1
⁄16 (1272) 28 (711)
SQ-BSQ 160 (HP) 23
1
⁄2 (597) 31 (787) 29
3
⁄4 (756)
22
7
⁄8 (581)
49
5
⁄8 (1260) 23
5
⁄8 (600)
2
(51)
1
3
⁄8
(35)
5
1
⁄2
(140)
2
(51)
1
3
⁄8
(35)
2
(51)
6
3
⁄4
(171)
2
5
⁄8
(67)
BSQ 180 (HP) 25
1
⁄2 (648) 33
1
⁄2 (851) 29
9
⁄16 (751) 22
3
⁄4 (578) 52
9
⁄16 (1335) 24
1
⁄2 (622)
BSQ 200 (HP) 29
1
⁄8 (740) 37 (940) 33
3
⁄4 (857) 26
3
⁄4 (679) 64
3
⁄16 (1630) 32
1
⁄4 (819)
BSQ 240 (HP) 31
5
⁄8 (803) 44
1
⁄4 (1124) 40
3
⁄4 (1035) 33
7
⁄8 (860) 66
1
⁄2 (1689) 32
1
⁄8 (816)
BSQ 300 (HP) 35 (889) 51 (1295) 47
3
⁄4 (1213) 40
7
⁄8 (1038) 69
1
⁄8 (1756) 31
3
⁄8 (797)
BSQ 360 (HP) 38
3
⁄4 (974) 57
1
⁄4 (1454) 53
1
⁄2 (1359) 46
3
⁄4 (1187) 76 (1930) 34
11
⁄16 (881)
BSQ 420 (HP) 47
1
⁄8 (1197) 63 (1600) 59
7
⁄8 (1521) 59
7
⁄8 (1521) 90
1
⁄2 (2299) 40
1
⁄2 (1029)
All dimensions in inches (millimeters).
M
K
J
L
H
N
H
G
Isolator I.D.-BVI
I
J
K
5/8 in. Nominal
M
K
J
L
H
N
H
G
Isolator I.D.-BVI
I
J
K
5/8 in. Nominal
M
K
J
L
H
N
H
G
Isolator I.D.-BVI
I
J
K
5/8 in. Nominal
M
K
J
L
H
N
H
G
Isolator I.D.-BVI
I
J
K
5/8 in. Nominal
Chart 4: Side Discharge Duct Openings
Unit Size Width Height
BSQ 70-80-90 11
7
⁄8 (302) 11
7
⁄8 (302)
SQ 60-75 9
7
⁄8 (251) 8
7
⁄8 (225)
SQ 80-95 12
7
⁄8 (327) 11
7
⁄8 (302)
SQ 100/BSQ 100 13
7
⁄8 (352) 13
7
⁄8 (352)
SQ120/BSQ 120 15
7
⁄8 (403) 15
7
⁄8 (403)
SQ 130/BSQ 130 (HP) 17
7
⁄8 (454) 17
7
⁄8 (454)
SQ 140/BSQ 140 (HP) 19
7
⁄8 (505) 19
7
⁄8 (505)
SQ 160/BSQ 160 (HP) 22
7
⁄8 (581) 22
7
⁄8 (581)
BSQ 180 (HP) 23
7
⁄8 (606) 23
7
⁄8 (606)
BSQ 200 (HP) 27
7
⁄8 (708) 27
7
⁄8 (708)
BSQ 240 (HP) 28
7
⁄8 (733) 34
7
⁄8 (886)
BSQ 300 (HP) 31
7
⁄8 (810) 41
7
⁄8 (1064)
BSQ 360 (HP) 32
7
⁄8 (835) 37
7
⁄8 (962)
BSQ 420 34
7
⁄8 (886) 43
7
⁄8 (1114)
All dimensions in inches (millimeters).
Figure 12
Height
Left Side
Discharge
Right Side
Discharge
Inline
Discharge
Inlet
Width
Standing Neoprene Isolator
Figure 8
Standing Spring Isolator
Figure 9
Hanging Neoprene Isolator
Figure 10
Hanging Spring Isolator
Figure 11