Performance Data
|--------------------------- in. wg -----------------------------------------------------|
| |
FAN MODEL |
0" |
.125" |
.25" |
.375" |
.5"* |
.75"* |
1.0" |
1.25" |
1.5" |
| CFM |
20" |
4688 |
4575 |
4456 |
4350 |
4260 |
4020 |
3728 |
3572 |
2990 |
Performance certified is for installation type D - Ducted inlet,
Ducted outlet. Performance ratings do not
include the effects of appurtenances (accessories).
The sound ratings shown are for loudness values in spherical sones at 5ft. (1.5m) in a spherical free field calculated per Annex B of AMCA 311. Values shown are for installation Type D : Ducted inlet spherical sone levels. Ratings do not include the effect of duct end correction. All sone values shown are calculated at 0.1" Static Pressure in inches W.G.). * Speed (RPM) shown is nominal. Performance is
based on actual speed of test.
 
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