Specification Sheet

410
RPM
Sound Performance Sones / LwA (Inches w.g.)
0 0.125 0.25 0.375 0.5 0.625 0.75 0.875 1 1.125
1050 13.6 / 76 12.8 / 75 - - - - - - - -
1100 14.9 / 77 14.2 / 77 - - - - - - - -
1125 15.6 / 78 14.9 / 77 13.9 / 77 - - - - - - -
1150 16.2 / 79 15.6 / 78 14.7 / 77 - - - - - - -
1175 16.9 / 79 16.2 / 79 15.4 / 78 - - - - - - -
1225 18.2 / 81 17.6 / 80 16.9 / 79 - - - - - - -
1275 19.7 / 82 19 / 81 18.3 / 81 17.4 / 80 - - - - - -
1300 20 / 82 19.8 / 82 19 / 81 18 / 81 - - - - - -
1325 21 / 83 21 / 83 19.8 / 82 18.7 / 81 - - - - - -
1375 23 / 84 22 / 84 21 / 83 20 / 83 19.9 / 83 - - - - -
1400 24 / 85 23 / 84 22 / 84 21 / 83 21 / 83 - - - - -
1450
25 / 86 25 / 85 24 / 85 23 / 84 22 / 84 - - - - -
1525 28 / 87 27 / 87 26 / 86 25 / 86 24 / 85 - - - - -
1575 29 / 88 28 / 88 27 / 87 27 / 87 26 / 86 25 / 86 - - - -
1625 30 / 89 30 / 89 29 / 88 28 / 88 27 / 87 26 / 87 - - - -
1675 32 / 90 31 / 90 30 / 89 29 / 89 28 / 88 27 / 88 27 / 88 - - -
1700 32 / 90 32 / 90 31 / 90 30 / 89 29 / 89 28 / 88 28 / 88 - - -
1775 34 / 91 34 / 91 33 / 91 32 / 90 31 / 90 30 / 90 29 / 89 30 / 90 - -
1850 36 / 93 36 / 92 35 / 92 34 / 92 34 / 91 33 / 91 31 / 91 31 / 91 - -
1925 39 / 94 38 / 94 37 / 93 37 / 93 36 / 93 35 / 92 34 / 92 33 / 92 34 / 92 -
1950 40 / 94 39 / 94 38 / 94 38 / 93 37 / 93 36 / 93 35 / 92 34 / 92 35 / 92 -
2000 42 / 95 41 / 95 40 / 94 40 / 94 39 / 94 38 / 94 37 / 93 36 / 93 36 / 93 -
2050 44 / 96 43 / 96 42 / 95 42 / 95 41 / 95 40 / 94 39 / 94 38 / 94 38 / 94 38 / 94
2075 45 / 96 44 / 96
43 / 96 43 / 95 42 / 95 41 / 95 40 / 95 39 / 94 38 / 94 39 / 94
Size 20
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