Centrifugal Inline Fans
4
®
A
B
C
*E
D
*G
*F
1-1/2 in.
(38mm)
B
A
C
C
1-1/2 in.
(38mm)
1-1/2 in.
(38mm)
Optional cover varies with
motor size. Recommend
24 inch (610mm) clearance.
Belt Drive Fan Dimensions
Size
A
B
C
D
*E
*F
*G
Damper
Weight^
70, 80, 90
17
1
⁄
8
(435)
21
(533)
17
1
⁄
8
(435)
11
7
⁄
8
(302)
17
3
⁄
4
(451)
13
(330)
13
1
⁄
4
(337)
12
(305)
106
(48)
100
17
1
⁄
8
(435)
21
(533)
17
1
⁄
8
(435)
13
7
⁄
8
(352)
17
3
⁄
4
(451)
13
(330)
13
1
⁄
4
(337)
14
(356)
107
(49)
120
19
1
⁄
8
(486)
21
(533)
19
1
⁄
8
(486)
15
7
⁄
8
(403)
20
(508)
17
(432)
13
1
⁄
4
(337)
16
(406)
124
(56)
130 (HP)
21
1
⁄
8
(537)
21
(533)
21
1
⁄
8
(537)
17
7
⁄
8
(454)
20
(508)
17
(432)
13
1
⁄
4
(337)
18
(457)
131
(59)
140 (HP)
23
1
⁄
8
(587)
22
(559)
23
1
⁄
8
(587)
19
7
⁄
8
(505)
20
(508)
17
(432)
13
1
⁄
4
(337)
20
(508)
146
(66)
160 (HP)
26
1
⁄
8
(664)
26
(660)
26
1
⁄
8
(664)
22
7
⁄
8
(581)
20
(508)
17
(432)
13
1
⁄
4
(337)
23
(584)
188
(85)
180 (HP)
27
1
⁄
8
(689)
28
(711)
27
1
⁄
8
(689)
23
7
⁄
8
(606)
20
(508)
17
(432)
13
1
⁄
4
(337)
24
(610)
195
(88)
200 (HP)
31
1
⁄
8
(791)
32
(813)
31
1
⁄
8
(791)
27
7
⁄
8
(708)
30
(762)
20
(508)
16
(406)
28
(711)
246
(111)
240 (HP)
38
1
⁄
8
(968)
34
(864)
38
1
⁄
8
(968)
34
7
⁄
8
(886)
30
(762)
20
(508)
16
(406)
35
(889)
350
(159)
300 (HP)
46
(1168)
38
(965)
46
(1168)
41
7
⁄
8
(1064)
34
(864
)
22
(559)
18
(457)
42
(1067)
537
(244)
360 (HP)
52
(1321)
42
(1067)
52
(1321)
47
7
⁄
8
(1216)
34
(864)
22
(559)
18
(457)
48
(1219)
686
(311)
420
58
(1473)
50
(1270)
58
(1473)
53
7
⁄
8
(1368)
34
(864)
22
(559)
18
(457)
54
(1372)
789
(358)
All dimensions in inches
(millimeters)
and weight is shown in pounds
(kilograms)
.
*Motor cover is optional. Size may be greater depending on motor.
^Weight shown is standard galvanized construction and largest cataloged open drip proof motor.
Belt Drive Filter Option Dimensions
Size
A
B
C
Weight^
Filter Size
Filter Quantity
70, 80, 90
53
7
⁄
8
(1368)
17
1
⁄
8
(435)
11
7
⁄
8
(302)
168 (
76)
16 x 20
(406 x 508)
2
100
53
7
⁄
8
(1368)
17
1
⁄
8
(435)
13
7
⁄
8
(352)
169
(77)
16 x 20
(406 x 508)
2
120
58
3
⁄
4
(1492)
19
1
⁄
8
(486)
15
7
⁄
8
(403)
194
(88)
16 x 25
(406 x 635)
2
130 (HP)
53
1
⁄
4
(1353)
21
1
⁄
8
(537)
17
7
⁄
8
(454)
197
(89)
20 x 20
(508 x 508)
2
140 (HP)
59
(1500)
23
1
⁄
8
(537)
19
7
⁄
8
(505)
231
(105)
20 x 25
(508 x 635)
2
160 (HP)
58
3
⁄
4
(1492)
26
1
⁄
8
(664)
22
7
⁄
8
(581)
285
(129)
20 x 20
(508 x 508)
4
180 (HP)
60
3
⁄
4
(1543)
27
1
⁄
8
(689)
23
7
⁄
8
(606)
293
(133)
20 x 25
(508 x 635)
4
200 (HP)
69
3
⁄
8
(1762)
31
1
⁄
8
(791)
27
7
⁄
8
(708)
361
(164)
12 x 25
(305 x 635)
3
16 x 25
(406 x 635)
3
240 (HP)
71
1
⁄
2
(1816)
38
1
⁄
8
(968)
34
7
⁄
8
(886)
496
(225)
20 x 25
(508 x 635)
4
16 x 25
(406 x 635)
4
300 (HP)
72
1
⁄
8
(1832)
46
(1168)
41
7
⁄
8
(1064)
759
(344)
20 x 25
(508 x 635)
8
360 (HP)
79
1
⁄
4
(2013)
52
(1321)
47
7
⁄
8
(1216)
957
(434)
16 x 25
(406 x 635)
10
20 x 25
(508 x 635)
5
420
93
1
⁄
8
(2365)
58
(1473)
53
7
⁄
8
(1368)
1185
(538)
16 x 25
(406 x 635)
5
20 x 25
(508 x 635)
10
All dimensions in inches
(millimeters)
and weight is shown in pounds
(kilograms)
.
^Weight shown is standard galvanized construction and largest cataloged open drip proof motor.
Note: 24 inch side clearance is recommended for accessing and removing filters.
Figure 3: Belt Drive
Fan Dimensions
Figure 4: Belt Drive
Filter Option Dimensions