Specification Sheet

447
CM 16
CM 18
CM 20
RPM
Sound Performance Sones / LwA (Inches w.g.)
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
800 5.0 / 61.1 - - - - - - - - -
1000 8.6 / 70.3 - - - - - - - - -
1150 11.6 / 75.3 9.4 / 71.6 - - - - - - - -
1300 15.2 / 79.7 12.4 / 76.4 10.7 / 73.7 - - - - - - -
1450 19.3 / 83.5 16.1 / 80.7 14.2 / 78.5 12.4 / 75.9 - - - - - -
1625 24 / 87.0 21 / 85.0 18.6 / 83.0 17.1 / 81.5 15.3 / 79.3 - - - - -
1800 29 / 90.1 27 / 88.9 24 / 87.1 22 / 85.5 20 / 84.4 18.5 / 82.6 - - - -
1950 34 / 92.6 32 / 92.0 29 / 90.1 26 / 88.8 25 / 87.6 23 / 86.7 21 / 85.1 20.0 / 83.4 - -
2150 39 / 95.1 39 / 94.8 35 / 93.5 32 / 92.2 30 / 91.1 28 / 90.1 27 / 89.4 26 / 88.4 24 / 86.8 23 / 85.5
2300
44 / 96.7 43 / 96.5 40 / 95.7 37 / 94.4 35 / 93.4 33 / 92.4 31 / 91.6 30 / 91.0 29 / 90.2 27 / 88.8
RPM
Sound Performance Sones / LwA (Inches w.g.)
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
700 4.8 / 60.4 - - - - - - - - -
875 8.4 / 69.5 - - - - - - - - -
1025 12.3 / 75.4 9.5 / 71.5 - - - - - - - -
1175 17.0 / 80.3 13.9 / 77.4 11.3 / 74.2 - - - - - - -
1350 23 / 85.2 19.9 / 83.2 16.9 / 80.7 14.6 / 78 14.4 / 76.9 - - - - -
1500 27 / 88.0 24 / 86.6 22 / 84.7 19.0 / 82.7 16.9 / 80.5 16.5 / 79.3 - - - -
1650 31 / 90.4 29 / 89.6 26 / 88.1 24 / 86.5 21 / 84.8 19.4 / 83 18.4 / 81.4 - - -
1825 35 / 93.1 34 / 92.6 32 / 91.5 29 / 90.3 27 / 89.0 25 / 87.6 23 / 86.1 21 / 84.6 22 / 84.3 -
2000 42 / 95.8 40 / 95.4 39 / 94.7 36 / 93.7 34 / 92.7 32 / 91.6 30 / 90.5 28 / 89.2 26 / 88.0 25 / 86.7
2150 48 / 98.0 47 / 97.7 46 / 97.3 43 / 96.5 41 / 95.6 38 / 94.7 36 / 93.7 34 / 92.7 32 / 91.6 30 / 90.5
RPM
Sound Performance Sones / LwA (Inches w.g.)
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
650 5.6 / 62.7 - - - - - - - - -
775 8.4 / 69.7 - - - - - - - - -
900 12.0 / 75.3 9.3 / 71.1 - - - - - - - -
1050 17.3 / 81 13.9 / 77.7 12.2 / 74.8 - - - - - - -
1175 22 / 85.0 18.4 / 82.1 16.5 / 80.2 14.9 / 77.8 - - - - - -
1300 27 / 88.4 24 / 86.3 21 / 84.4 19.7 / 82.9 18.0 / 81 - - - - -
1450 33 / 91.5 31 / 90.2 27 / 88.3 25 / 87 24 / 85.9 22 / 84.6 20 / 82.6 - - -
1550 37 / 93.2 34 / 92.2 31 / 90.6 28 / 89.2 27 / 88.1 25 / 87.1 24 / 85.7 22 / 84.1 - -
1700 42 / 95.6 40 / 94.8 37 / 93.6 34 / 92.3 32 / 91.3 30 / 90.4 29 / 89.4 28 / 88.5 26 / 86.9 -
1825 47 / 97.5 45 / 96.9 43 / 96.0 39 / 94.9 36 / 93.7 35 / 92.9 33 / 92.2 32 / 91.3 31 / 90.5 29 / 89.3
MODELS CM
BELT DRIVEN UTILITY VENT SET
The A-weighted sound ratings shown have been calculated per AMCA standard 301. Values shown
are for inlet Lwi(A) sound power levels for installation type B - free inlet, ducted outlet. Ratings do not
include the effect of duct end corrections. 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 B: free inlet hemispherical sone levels.
S&P USA Ventilation Systems, LLC., Div. of
Soler & Palau Ventilation Group certies that
the Models CM shown herein are licensed
to bear the AMCA Seal (except CM10).
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.
MODELS CM
BELT DRIVEN UTILITY VENT SET