Specification Sheet

409
MODEL TDB
BELT DRIVE TUBEAXIAL DUCT FAN
RPM
Sound Performance Sones / LwA (Inches w.g.)
0 0.125 0.25 0.375 0.5 0.625 0.75 0.875 1
1000 11.4 / 72 11 / 70 - - - - - - -
1050 12.3 / 73 11.9 / 72 12.1 / 72 - - - - - -
1100 13.2 / 74 12.7 / 73 12.7 / 73 - - - - - -
1125 13.7 / 75 13.2 / 74 13 / 73 - - - - - -
1150 14.1 / 75 13.7 / 74 13.4 / 74 - - - - - -
1200 15.1 / 77 14.6 / 75 14.2 / 74 15.2 / 77 - - - - -
1225 15.6 / 77 15.1 / 76 14.7 / 75 15.6 / 77 - - - - -
1275 16.7 / 78 16.2 / 77 15.8 / 76 16.3 / 78 - - - - -
1300 17.3 / 79 16.7 / 78 16.3 / 77 16.6 / 78 - - - - -
1350 18.4 / 80 17.9 / 79 17.3 / 78 17.4 / 78 - - - - -
1400 19.6 / 81 19.1 / 80. 18.6 / 79 18.2 / 79 19 / 81 - - - -
1450 21 / 82 20 / 81 19.9 / 80 19.5 / 80 19.7 / 81 - - - -
1500 22 / 83 22 / 82 21 / 82 21 / 81 20 / 82 21 / 83 - - -
1550 23 / 84 23 / 83 22 / 82 22 / 82 21 / 82 22 / 84 - - -
1600 24 / 85 24 / 84 23 / 83 23 / 83 22 / 83 23 / 84 - - -
1650 25 / 85 25 / 85 24 / 84 24 / 83 23 / 83 23 / 84 25 / 86 - -
1675 25 / 86 25 / 85 25 / 85 24 / 84 24 / 83 24 / 85 25 / 86 - -
1725 26 / 87 26 / 86 26 / 85 25 / 85 25 / 84 24 / 85 26 / 87 - -
1775 27 / 87 27 / 87 27 / 86 26 / 86 26 / 85 25 / 85 26 / 87 28 / 88 -
1825 28 / 88 28 / 88 28 / 87 27 / 86 27 / 86 26 / 86 27 / 87 29 / 89 -
1850 29 / 88 29 / 88 28 / 87 28 / 87 27 / 86 27 / 86 27 / 87 29 / 89 -
1925 31 / 90 30 / 89 30 / 89 29 / 88 29 / 88 29 / 87 28 / 88 30 / 89 31 / 90
2000 33 / 91 32 / 90 32 / 90 31 / 89 30 / 89 30 / 88 30 / 88 31 / 89 33 / 91
2075 35 / 92 35 / 91 34 / 91 33 / 91 32 / 90 32 / 90 32 / 89. 32 / 90 34 / 91
Size 18
The sound ratings shown are loudness values in fan sones at 1.5 m (5 ft) in a hemispherical free eld calculated per
AMCA International 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 TDB 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
Publication 311 and comply with the requirement of the
AMCA Certied Ratings Program.
MODEL TDB
BELT DRIVE TUBEAXIAL DUCT FAN