Catalogue
34 UH-PRC001-EN
Dimensional Data
Dimensional Data: S Model
Note: Motors are totally enclosed,
thermally protected, sleeve
bearing, with 4" (w) x 2" (h)
conduit connection boxes.
Nutserts are attached to
enclosure for balanced
hanging.
Table 29. Louver Cone Diffuser Roughing in Dimensions
Unit Size A B C D No. of Louvers
42
64 & 80
16 1/2
20
14 1/4
17
6 1/2
8
2 5/8
3 1/8
8
8
102 & 122
146, 166 & 202
24 1/4
28 3/8
21
24 3/4
9 3/4
11 1/2
3 15/16
4 5/8
8
8
252, 280, 336, & 384
500, 600 & 720
35 1/2
41 1/2
31 1/2
37 1/4
13 3/4
17
4
4 3/4
12
12
Figure 17. Serpentine Type Models A08, A18, A25, A36
Table 30. Serpentine Models
MODEL H W A B C
NO. OF
LOUVERS
NOM. FAN
DIAM.
APPROX.
SHIP WT.
A08 16 18 16 7/32 11 1/4 4 1/4 5 9 22
A18 16 18 16 7/32 11 1/4 4 1/4 5 10 24
A25 16 18 16 7/32 11 1/4 4 1/4 5 10 25
A36 18 1/2 20 1/2 18 23/32 13 3/4 5 1/8 6 12 31










