Filter
Top Products
3
Model BDF • Belt Drive Duct Fan
®
Figure 1:
BDF Dimensions
Figure 2:
BDF Filter Dimensions
Chart 1: BDF Fan Dimensions
Unit
Size
A B
C D E F G H I J K*
Approximate
Weight Material
Thickness
Fan
Filter
Box
80
23
1
⁄4
(591)
18
1
⁄2
(470)
15
7
⁄8
(403)
15
3
⁄16
(386)
12
11
⁄16
(322)
9
3
⁄4
(248)
8
7
⁄8
(225)
1
(25)
5
3
⁄8
(137)
4
1
⁄4
(108)
49
3
⁄4
(1264)
71
(32)
32
(15)
20 gauge
(.912 mm)
90
24
1
⁄4
(616)
21
1
⁄4
(540)
18
3
⁄4
(476)
18
1
⁄4
(464)
15
7
⁄8
(403)
12
1
⁄4
(311)
10
1
⁄2
(267)
1
(25)
6
3
⁄4
(171)
4
1
⁄2
(114)
54
7
⁄8
(1394)
92
(42)
42
(19)
100
26
1
⁄4
(667)
22
3
⁄4
(578)
20
3
⁄4
(527)
19
3
⁄4
(502)
17
7
⁄8
(454)
13
3
⁄4
(349)
11
7
⁄8
(302)
1
(25)
7
3
⁄8
(187)
4
1
⁄2
(114)
51
7
⁄8
(1318)
107
(49)
52
(24)
120
33
(838)
27
1
⁄4
(692)
22
3
⁄4
(578)
24
1
⁄8
(613)
19
7
⁄8
(505)
16
(406)
13
3
⁄8
(340)
1
(25)
7
7
⁄8
(200)
5
5
⁄8
(143)
63
9
⁄16
(1614)
144
(65)
70
(32)
150
34
3
⁄4
(883)
32
5
⁄8
(829)
27
3
⁄4
(705)
28
5
⁄8
(727)
23
7
⁄8
(606)
19
1
⁄8
(486)
16
3
⁄8
(416)
1
1
⁄2
(38)
9
7
⁄8
(251)
6
3
⁄4
(171)
62
1
⁄16
(1576)
223
(101)
97
(44)
180
40
1
⁄4
(1022)
41
3
⁄4
(1060)
31
3
⁄4
(806)
37
1
⁄2
(953)
27
7
⁄8
(708)
22
1
⁄2
(572)
18
7
⁄8
(479)
1
1
⁄2
(38)
10
1
⁄2
(
267
)
9
5
⁄8
(244)
75
3
⁄8
(1915)
307
(139)
134
(61)
200
50
1
⁄4
(1276)
49
1
⁄4
(1251)
39
3
⁄4
(1010)
45
1
⁄8
(1146)
36
(914)
23
1
⁄8
(587)
25
1
⁄4
(614)
1
1
⁄2
(38)
12
1
⁄2
(318)
13
(330)
85
1
⁄4
(2165)
565
(256)
174
(79)
All dimensions in inches (millimeters) and weight is shown in pounds (kilograms). *May be greater depending on motor. **Weight shown
is largest cataloged Open Drip Proof motor.
Chart 2: Filter Option Dimensions
BDF
Size
*K B C D E F G H
Filter
Size
Filter
Quantity
80
49
3
⁄4
(1264)
18
1
⁄2
(470)
15
7
⁄8
(403)
15
3
⁄16
(386)
12
11
⁄16
(322)
9
3
⁄4
(248)
8
7
⁄8
(225)
1
(25)
16 x 20
(406 x 508)
2
90
54
7
⁄8
(1394)
21
1
⁄4
(540)
18
3
⁄4
(476)
18
1
⁄4
(464)
15
7
⁄8
(403)
12
1
⁄4
(311)
10
1
⁄2
(267)
1
(25)
20 x 25
(508 x 635)
2
100
51
7
⁄8
(1318)
22
3
⁄4
(578)
20
3
⁄4
(527)
19
3
⁄4
(502)
17
7
⁄8
(454)
13
3
⁄4
(349)
11
7
⁄8
(302)
1
(25)
20 x 20
(508 x 508)
2
120
63
9
⁄16
(1614)
27
1
⁄4
(692)
22
3
⁄4
(578)
24
1
⁄8
(613)
19
7
⁄8
(505)
16
(406)
13
3
⁄8
(340)
1
1
⁄2
(38)
12 x 25
(533 x 635)
4
150
62
1
⁄16
(1576)
32
5
⁄8
(829)
27
3
⁄4
(705)
28
5
⁄8
(727)
23
7
⁄8
(604)
19
1
⁄8
(486)
16
3
⁄8
(416)
1
(25)
16 x 20
(406 x 508)
8
180
75
3
⁄8
(1915)
41
3
⁄4
(1060)
31
3
⁄4
(606)
37
1
⁄2
(953)
27
7
⁄8
(708)
22
1
⁄2
(572)
18
7
⁄8
(479)
1
1
⁄2
(38)
20 x 25
(508 x 635)
6
200
85
1
⁄4
(2165)
49
1
⁄4
(1251)
39
3
⁄4
(1010)
48
1
⁄8
(1222)
36
(914)
23
1
⁄8
(587)
25
1
⁄4
(641)
1
1
⁄2
(38)
16 x 25
(406 x 635)
12
All dimensions in inches (mm). *K is length of fan and filter box combined.
J
G
F
I
C
2
A
B
D
E
H
K*
D
E
H
B
2
C
F
J
G
I
Chart 3: Vibration Isolator Dimensional Data
Unit Size A C M*
80
20
3
⁄4
(527)
22
11
⁄16
(576)
26
5
⁄16
(668)
90
21
3
⁄4
(552)
25
5
⁄8
(651)
30
1
⁄2
(775)
100
23
3
⁄4
(603)
27
1
⁄8
(689)
25
2
⁄5
(645)
120
30
1
⁄2
(775)
31
5
⁄8
(803)
30
7
⁄16
(773)
150
32
(813)
35
(889)
27
1
⁄8
(689)
180
37
3
⁄8
(949)
44
(1118)
34
15
⁄16
(887)
200
47
3
⁄8
(1203)
51
1
⁄2
(1308)
36
(914)
All dimensions in inches (mm). M* applies to optional filter box only.
A
Acces
s
Panel
C
A
A
C
Acces
s
Panel
C
A
A
C
BDF
Unit
Access
Panel
Filter
Box
Access
Panel
M*
M*
C
A
A
C
Access
Panel
Figure 3:
Vibration Isolator Dimensions