Specification Sheet

121
MODEL SDB
BELT DRIVE CENTRIFUGAL DOWNBLAST ROOF EXHAUSTER
SIZE 14
Power Ratings (BHP) does not include drive losses.
Performance certied 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
S&P USA Ventilation Systems, LLC.,
Div. of Soler & Palau Ventilation Group,
certies that the Models SDB 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 Certied
Ratings Program.
UL STANDARD 705
MODEL SDB
BELT DRIVE CENTRIFUGAL DOWNBLAST ROOF EXHAUSTER
Motor
HP
RPM
Static Pressure in Inches w.g.
0
0.125 0.25 0.375 0.5 0.625 0.75 0.875 1 1.25 1.5
1/4
550
CFM 1108 802 - - - - - - - - -
BHP 0.03 0.03 - - - - - - - - -
Sones 3.4 2.4 - - - - - - - - -
1/4 650
CFM 1309 1070 - - - - - - - - -
BHP 0.04 0.05 - - - - - - - - -
Sones 4.6 3.7 - - - - - - - - -
1/4 750
CFM 1511 1312 1048 - - - -
- - - -
BHP 0.07 0.08 0.09 - - - - - - - -
Sones 6.2 5.2 4.8 - - - - - - - -
1/4 850
CFM 1712 1539
1332 1016 - - - - - - -
BHP 0.10 0.11 0.12 0.12 - - - - - - -
Sones 7.8 6.8 6.1 6.0 - - - - - - -
1/4 950
CFM 1914 1759 1591 1382 - - -
- - - -
BHP 0.13 0.15 0.16 0.17 - - - - - - -
Sones 9.1 8.3 7.5 7.1 - - - - - - -
1/4 1050
CFM 2115 1975 1831 1655 1446 - -
- - - -
BHP 0.18 0.19 0.21 0.23 0.23 - - - - - -
Sones 10.6 9.8 9.1 8.7 8.4 - - - - - -
1/3 1150
CFM 2316 2188 2060 1914 1745 1531 -
- - - -
BHP 0.23 0.25 0.27 0.29 0.30 0.31 - - - - -
Sones 12.2 11.5 10.9 10.4 10.0 9.9 - - - - -
1/2 1250
CFM 2518 2399 2283 2157 2011 1852 1639 - - - -
BHP 0.30 0.31 0.34 0.36 0.38 0.39 0.40 - - - -
Sones 14.0 13.4 12.8 12.3 11.9 11.5 11.5 - - - -
1/2 1350
CFM 2719 2609 2502 2390 2266 2122 1973 1770 - - -
BHP 0.38 0.39 0.42 0.44 0.46 0.48 0.49 0.50 - - -
Sones 16.1 15.5 14.8 14.3 13.9 13.4 13.1 13.1 - - -
3/4 1450
CFM 2921 2818 2718 2616 2507 2384 2248 2107 1918 - -
BHP 0.47 0.48 0.51 0.53 0.56 0.58 0.60 0.61 0.62 - -
Sones 18.1 17.5 17.0 16.4 16.0 15.6 15.3 14.9 14.9 - -
3/4 1550
CFM 3122 3026 2931 2838
2739 2633 2512 2385 2252 1846 -
BHP 0.57 0.59 0.61 0.64 0.67 0.70 0.72 0.74 0.75 0.75 -
Sones 20.2 19.6 19.0 18.3 17.8 17.5 17.2 16.8 16.5 16.9 -
1 1650
CFM 3324 3233 3144 3056 2966 2871 2766 2651 2531 2251 1756
BHP 0.69 0.71 0.73 0.76 0.79 0.82 0.85 0.87 0.89 0.91 0.87
Sones 22.0 21.4 20.8 20.3 19.7 19.4 19.0 18.7 18.3 17.8 18.6
1 1750
CFM 3525 3440 3355 3273 3189 3102 3009 2908 2797 2568 2247
BHP 0.83 0.84 0.86 0.89 0.93 0.96 0.99 1.02 1.04 1.07 1.08
Sones 24.2 23.6 22.9 22.2 21.6 21.1 20.7 20.4 20.1 19.5 19.6