Specification Sheet
Table Of Contents
141
MODEL DB
BELT DRIVE CENTRIFUGAL ROOF EXHAUSTER
SIZE 48
Power Ratings (BHP) does not include drive losses.
Performance certied is for installation type A - free inlet, free outlet.
Performance ratings include the effects of birdscreen in the airstream.
The sound ratings shown are loudness values in fan sones @ 5' (1.5m) in a
hemispherical free eld calculated per AMCA Standard 301. Values shown are for:
Installation Type A: free inlet hemispherical sone levels
R
®
AIR
MOVEMENT
AND CONTROL
ASSOCIATION
INTERNATIONAL, INC.
AIR
PERFORMANCE
SOUND
and
CFM / BHP @ Static Pressure / Sones
Drive Range RPM HP
Tip
Speed
0 1/8 1/4 3/8 1/2 5/8 3/4 7/8 1 1-1/4
Catalog
Number
9953
0.34/4.5
5916
0.29/4.5
4801
DP76
DP75
165 1/2 2037
10557
0.41/5.0
6969
0.37/5.0
4802 175 1/2 2161
11462
0.52/5.9
8336
0.49/5.7
4803
DP78
DP77
190 1/2 2347
12065
0.61/6.4
9166
0.58/6.3
4804 200 3/4 2470
13271
0.81/7.6
10719
0.79/7.5
6702
0.64/7.5
4805 220 3/4 2655
13875
0.93/8.2
11459
0.91/8.1
7978
0.78/8.0
4806 230 1 2841
14478
1.06/8.9
12182
1.04/8.8
9095
0.93/8.6
4807
DP79
240 1 2964
15383
1.27/9.6
13243
1.25/9.6
10571
1.16/9.3
6153
0.9/9.6
4808 255 1-1/2 3149
16891
1.68/10.9
14963
1.67/10.9
12732
1.59/10.6
9568
1.4/10.8
4809 280 1-1/2 3335
17494
1.87/11.4
15638
1.85/11.4
13535
1.78/11.1
10717
1.62/11.2
6483
1.27/11.8
4810 290 2 3582
18399
2.17/12.2
16641
2.16/12.2
14696
2.1/12.0
12255
1.95/12.1
8622
1.65/12.6
4811
DP80
305 2 3705
19304
2.51/13.1
17632
2.5/13.1
15818
2.44/13.0
13645
2.32/12.9
10639
2.06/13.4
6682
1.66/13.7
4812 320 3 3952
19605
2.63/13.4
17961
2.62/13.4
16186
2.56/13.4
14085
2.44/13.3
11250
2.21/13.7
7354
1.8/14.1
4813
DP81
325 3 4014
20812
3.14/14.9
19267
3.14/14.9
17627
3.09/14.9
15762
2.98/14.7
13440
2.79/14.8
10204
2.44/15.3
4814 345 3 4261
22018
3.72/16.5
20560
3.72/16.5
19033
3.67/16.5
17344
3.58/16.3
15351
3.42/16.2
12772
3.14/16.6
9329
2.7/17.0
4815 365 5 4508
22622
4.03/17.3
21204
4.03/17.3
19726
3.99/17.3
18109
3.9/17.1
16240
3.75/16.9
13902
3.5/17.2
10767
3.09/17.7
4816 375 5 4631
23828
4.72/18.9
22483
4.72/18.9
21094
4.68/18.9
19600
4.6/18.8
17926
4.46/18.6
15941
4.25/18.6
13412
3.92/19.0
10186
3.43/19.3
4817 395 5 4878
25034
5.47/21
23755
5.47/21
22443
5.44/21
21051
5.36/21
19525
5.24/20
17782
5.06/20
15680
4.79/20
12999
4.37/21
9847
3.83/21
4818
DP82
415 5 5310
25939
6.08/22
24705
6.09/22
23445
6.06/22
22117
5.99/22
20682
5.88/22
19077
5.71/21
17201
5.47/22
14891
5.11/22
12003
4.6/22
4819 430 7-1/2 5434
26543
6.52/23
25337
6.52/23
24108
6.49/23
22820
6.43/23
21438
6.32/23
19909
6.16/22
18154
5.94/22
16042
5.61/23
13404
5.14/23
4820 440 7-1/2 5619
27447
7.21/25
26282
7.21/25
25097
7.19/25
23864
7.13/25
22551
7.03/24
21121
6.88/24
19514
6.67/24
17637
6.38/24
15351
5.98/24
9773
4.83/25
4821 455 7-1/2 5804
28352
7.94/26
27224
7.95/26
26081
7.93/26
24896
7.87/26
23645
7.78/26
22297
7.64/25
20809
7.45/25
19114
7.19/25
17107
6.83/25
11869
5.73/26
4822 470 7-1/2 5990
S&P USA Ventilation Systems, LLC.,
Div. of Soler & Palau Ventilation Group,
certies that the Models DB shown
herein are licensed to bear the AMCA
Seal. The ratings shown are based on
test and procedures performed in ac-
cordance with AMCA Publication 211 and
AMCA Publication 311 and comply with
the requirement of the AMCA Certied
Ratings Program.
Dimensional Data
Damper
OD
Roof
Opening
Curb
OD
A B C D E F
Fan
Wt
Ship
Wt
48 50-1/4 53-1/4 73 40-1/2 55 13 54-5/8 2-1/2 550 830
UL STANDARD 705
MODEL DB
BELT DRIVE CENTRIFUGAL ROOF EXHAUSTER