Specification Sheet
Table Of Contents
135
MODEL DB
BELT DRIVE CENTRIFUGAL ROOF EXHAUSTER
SIZE 18
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
2031
.09/6.4
1663
.10/5.4
1054
.08/5.6
- - - - - - - 1801
DP32
535 1/4 2556
2202
.12/7.3
1874
.12/6.4
1395
.11/6.6
- - - - - - - 1802
DP33
580 1/4 2771
2372
.15/8.3
2077
.15/7.4
1679
.15/6.5
- - - - - - - 1803 625 1/4 2986
2543
.18/9.4
2274
.19/8.5
1924
.19/7.6
1431
.17/7.8
- - - - - - 1804 670 1/4 3201
2714
.22/10.5
2465
.23/9.6
2151
.23/8.7
1740
.22/9.0
- - - - - - 1805 715 1/4 3416
2885
.26/11.5
2653
.27/10.6
2369
.27/9.8
2024
.27/9.0
1531
.24/8.8
- - - - - 1806 760 1/3 3631
3056
.31/12.5
2838
.32/11.6
2579
.33/10.8
2274
.32/10.0
1873
.30/9.8
- - - - - 1807
DP34
805 1/3 3846
3226
.37/13.4
3022
.38/12.7
2785
.38/11.8
2507
.38/11.1
2168
.37/11.0
1715
.34/10.8
- - - - 1808 850 1/2 4061
3397
.43/14.3
3204
.44/13.6
2986
.45/13.0
2729
.45/12.3
2437
.44/11.5
2061
.42/11.3
- - - - 1809
DP35
895 1/2 4276
3568
.50/15.5
3385
.51/14.7
3183
.52/14.0
2944
.52/13.4
2681
.51/12.9
2358
.50/12.8
1965
.46/12.6
- - - 1810 940 1/2 4491
3739
.58/16.7
3564
.59/16.0
3375
.60/15.3
3155
.60/14.6
2912
.59/14.0
2635
.58/13.5
2288
.56/13.3
1676
.47/13.1
- - 1811 985 3/4 4706
3910
.66/17.9
3743
.67/17.2
3565
.68/16.6
3361
.68/15.9
3135
.68/15.3
2886
.67/14.7
2585
.65/14.4
2235
.62/14.1
- - 1812
DP36
1030 3/4 4921
4080
.75/19.1
3922
.76/18.5
3752
.77/17.8
3563
.78/17.2
3351
.77/16.6
3123
.77/16.0
2863
.76/15.5
2544
.73/15.3
2167
.68/15.1
- 1813 1075 3/4 5136
4251
.85/21
4099
.86/19.8
3938
.87/19.1
3762
.88/18.6
3562
.88/18.0
3350
.87/17.4
3117
.86/16.9
2840
.84/16.5
2524
.81/16.1
- 1814
DP37
1120 1 5351
4422
.95/22
4276
.97/21
4123
.98/21
3957
.99/19.9
3770
.99/19.3
3570
.98/18.8
3356
.98/18.2
3115
.96/17.7
2824
.93/17.3
- 1815 1165 1 5566
4593
1.07/23
4452
1.08/23
4306
1.10/22
4149
1.10/21
3975
1.11/21
3784
1.10/20
3585
1.10/19.6
3368
1.09/19.1
3116
1.07/18.7
2508
.99/18.5
1816 1210 1-1/2 5781
4764
1.19/25
4628
1.21/24
4488
1.22/23
4339
1.23/23
4176
1.23/22
3995
1.23/22
3808
1.23/21
3607
1.22/21
3386
1.21/20
2841
1.14/19.7
1817 1255 1-1/2 5996
4935
1.32/26
4804
1.34/25
4669
1.36/25
4527
1.37/24
4373
1.37/24
4204
1.37/23
4025
1.37/23
3837
1.36/22
3635
1.35/22
3140
1.29/21
1818 1300 1-1/2 6211
5105
1.47/28
4979
1.48/27
4849
1.50/26
4713
1.51/26
4569
1.52/25
4408
1.52/25
4237
1.52/24
4061
1.51/24
3873
1.50/23
3434
1.46/22
1819 1345 1-1/2 6426
5276
1.62/29
5154
1.64/29
5029
1.65/28
4898
1.67/27
4761
1.67/27
4610
1.68/26
4447
1.68/26
4279
1.67/25
4104
1.67/25
3709
1.63/24
1820 1390 2 6641
5447
1.78/31
5329
1.80/30
5208
1.82/30
5082
1.83/29
4951
1.84/28
4809
1.84/28
4655
1.85/27
4493
1.84/27
4327
1.84/26
3964
1.81/25
1821 1435 2 6856
5618
1.95/32
5504
1.97/32
5386
1.99/31
5265
2.01/31
5139
2.02/30
5005
2.02/29
4859
2.02/29
4704
2.02/28
4546
2.02/28
4206
2.00/27
1822 1480 2 7071
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 accordance with
AMCA Publication 211 and AMCA Publica-
tion 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
24 24-3/4 27-3/4 32-1/4 24 29-1/2 4-1/2 26-1/4 2-1/2 96 160
UL STANDARD 705
MODEL DB
BELT DRIVE CENTRIFUGAL ROOF EXHAUSTER