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DU33HK Performance Table

RPM Tip
Speed
Motor
HP
Static Pressure in Inches W.G.
0.000 0.125 0.250 0.375 0.500 0.625 0.750 1.000 1.250
CFM
Sone/BHP
CFM
Sone/BHP
CFM
Sone/BHP
CFM
Sone/BHP
CFM
Sone/BHP
CFM
Sone/BHP
CFM
Sone/BHP
CFM
Sone/BHP
CFM
Sone/BHP
1200 3691 0.33 947
6.6 / 0.12
873
6.6 / 0.12
787
6.6 / 0.12
694
6.6 / 0.12
585
6.6 / 0.12
414
6.6 / 0.12
   
1300 3999 0.33 1026
7.7 / 0.15
958
7.7 / 0.15
882
7.7 / 0.15
797
7.7 / 0.15
706
7.7 / 0.15
595
7.7 / 0.15
401
7.7 / 0.15
  
1400 4307 0.33 1105
9.0 / 0.19
1042
9.0 / 0.19
975
9.0 / 0.19
896
9.0 / 0.19
816
9.0 / 0.19
725
9.0 / 0.19
615
9.0 / 0.19
  
1500 4614 0.33 1184
10.3 / 0.23
1125
10.3 / 0.23
1064
10.3 / 0.23
993
10.3 / 0.23
919
10.3 / 0.23
844
10.3 / 0.23
754
10.3 / 0.23
457
10.3 / 0.23
 
1600 4922 0.33 1263
11.7 / 0.28
1207
11.7 / 0.28
1152
11.7 / 0.28
1088
11.7 / 0.28
1019
11.7 / 0.28
949
11.7 / 0.28
874
11.7 / 0.28
686
11.7 / 0.28
 
1700 5229 0.33 1342
12.7 / 0.33
1290
12.7 / 0.33
1237
12.7 / 0.33
1181
12.7 / 0.33
1116
12.7 / 0.33
1051
12.7 / 0.33
984
12.7 / 0.33
831
12.7 / 0.33
595
12.7 / 0.33

Max Sizeable RPM = 2000 RPM. Table shown extended beyond this point for reference only.

Performance shown is for installation type A:  Free inlet, Free outlet. Performance ratings do not include the effects of appurtenances in the airstream. The sound ratings shown are loudness values in fan sones at 5 ft (1.5m) in a hemispherical free field calculated per AMCA Standard 301. Values shown are for Installation Type A: free inlet fan sone levels.

Catalog #109K
March 2009