Specification Sheet

275
RPM
Sound Performance Sones (Inches w.g.)
0.125 0.25 0.375 0.5 0.625 0.75 1 1.25 1.5 1.75 2 2.25 2.5
400 2.7 - - - - - - - - - - - -
450 4.4 - - - - - - - - - - - -
500 6 3.1 - - - - - - - - - - -
550 7.6 4.8 - - - - - - - - - - -
600 9.3 6.7 4.6 - - - - - - - - - -
650 11 8.8 6.2 - - - - - - - - - -
700 12.8 10.7 8 6.2 - - - - - - - - -
750 14.4 12.5 10.2 7.8 6.9 - - - - - - - -
800 16.2 14.4 12.5 9.9 7.9 -
- - - - - - -
850 18 16.4 14.5 12.2 9.9 8.6 - - - - - - -
900 19.8 18.5 16.6 14.6 12.2 10.2 - - - - - - -
950 22 21 18.8 17.1 14.7 12.5 - - - - - - -
1000 24 23 21 19.3 17.3 15 11.5 - - - - - -
1050 26 25 23 21 20 17.6 13.8 - - - - - -
1100 28 27 25 24 22 20 16.2 13.7 - - - - -
1150 30 29 28 26 25 23 18.9 15.7 - - - - -
1200 32 31 30 29 27 26 22 18.3 16.2 - - - -
1250 34 33 32 31 29 28 25 21 18.1 - - - -
1300
37 36 35 34 32 30 28 24 21 18.7 - - -
1350 39 38 37 36 35 33 30 26 23 20 19.8 - -
1400 42 41 40 39 37 36 33 30 26 23 21 - -
1450 44 43 42 42 40 39 36 33 29 26 23 22 22
1500 47 46 45 44 43 42 38 36 32 29 26 24 24
1550 50 49 48 47 46 45 41 39 35 32 29 27 25
1600 53 52 51 50 49 48 45 42 39 35 32 30 27
CFD10
The sound ratings shown are in 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.
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 CFD 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 CFD
BELT DRIVE FORWARD CURVED INLINE DUCT FAN