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Table 26 — Fan Performance 558F120,121 — Horizontal Discharge Units; Alternate Motor (Belt Drive)*
LEGEND
*Motor drive range: 835 to 1085 rpm. All other rpms require field-
supplied drive.
NOTES:
1.
Boldface
indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.90.
3. See page 33 for general fan performance notes.
AIRFLOW
(Cfm)
EXTERNAL STATIC PRESSURE (in. wg)
0.2
0.4
0.6
0.8
1.0
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
3000
484
0.58
506
562
0.71
625
630
0.86
752
691
1.01
888
747
1.18
1035
3100
494
0.63
550
571
0.77
672
638
0.91
802
699
1.07
941
754
1.24
1089
3200
505
0.68
597
581
0.82
723
647
0.97
855
706
1.13
996
761
1.31
1146
3300
516
0.74
647
590
0.88
776
655
1.04
911
714
1.20
1055
768
1.38
1207
3400
526
0.80
699
600
0.95
832
664
1.11
970
722
1.27
1116
776
1.45
1271
3500
537
0.86
755
609
1.01
891
673
1.18
1032
731
1.35
1181
784
1.52
1338
3600
548
0.93
813
619
1.09
953
682
1.25
1097
739
1.42
1249
792
1.60
1408
3700
559
1.00
875
629
1.16
1018
691
1.33
1166
747
1.50
1320
799
1.69
1482
3800
571
1.07
940
639
1.24
1087
700
1.41
1237
756
1.59
1395
808
1.78
1559
3900
582
1.15
1008
649
1.32
1158
709
1.50
1313
765
1.68
1473
816
1.87
1640
4000
593
1.23
1080
659
1.41
1234
719
1.59
1391
773
1.77
1554
824
1.96
1724
4100
604
1.32
1155
669
1.50
1312
728
1.68
1473
782
1.87
1639
832
2.06
1811
4200
616
1.41
1233
680
1.59
1395
738
1.78
1559
791
1.97
1728
841
2.17
1903
4300
627
1.50
1316
690
1.69
1481
747
1.88
1648
800
2.07
1821
850
2.28
1999
4400
639
1.60
1402
701
1.79
1570
757
1.98
1741
809
2.18
1917
858
2.39
2098
4500
650
1.70
1492
711
1.90
1664
767
2.10
1839
819
2.30
2017
867
2.51
2201
4600
662
1.81
1585
722
2.01
1762
777
2.21
1940
828
2.42
2122
876
2.63
2308
4700
674
1.92
1683
733
2.12
1863
787
2.33
2045
838
2.54
2230
885
2.76
2420
4800
685
2.03
1785
744
2.24
1969
797
2.45
2154
847
2.67
2343
894
2.89
2536
4900
697
2.15
1891
754
2.37
2078
807
2.58
2268
857
2.80
2459
—
—
—
5000
709
2.28
2001
765
2.50
2193
818
2.72
2385
—
—
—
—
—
—
AIRFLOW
(Cfm)
EXTERNAL STATIC PRESSURE (in. wg)
1.2
1.4
1.6
1.8
2.0
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
3000
798
1.36
1191
846
1.55
1357
892
1.75
1534
935
1.96
1719
976
2.18
1915
3100
805
1.42
1247
853
1.61
1415
898
1.81
1592
941
2.03
1779
982
2.25
1974
3200
812
1.49
1306
859
1.68
1476
904
1.88
1654
947
2.10
1842
987
2.32
2038
3300
819
1.56
1369
866
1.75
1539
911
1.96
1719
953
2.17
1908
994
2.40
2106
3400
826
1.63
1434
873
1.83
1606
917
2.04
1788
959
2.25
1978
1000
2.48
2176
3500
833
1.71
1503
880
1.91
1677
924
2.12
1860
966
2.34
2051
1006
2.56
2251
3600
841
1.80
1576
887
2.00
1751
931
2.21
1936
972
2.42
2128
1012
2.65
2329
3700
848
1.88
1651
894
2.08
1829
938
2.30
2015
979
2.52
2209
1019
2.75
2411
3800
856
1.97
1731
901
2.18
1911
945
2.39
2098
986
2.61
2294
1025
2.85
2498
3900
864
2.07
1814
909
2.27
1995
952
2.49
2185
993
2.71
2382
—
—
—
4000
872
2.17
1900
916
2.37
2084
959
2.59
2276
1000
2.82
2475
—
—
—
4100
880
2.27
1991
924
2.48
2177
966
2.70
2370
—
—
—
—
—
—
4200
888
2.38
2085
932
2.59
2273
974
2.81
2469
—
—
—
—
—
—
4300
896
2.49
2183
940
2.70
2374
—
—
—
—
—
—
—
—
—
4400
904
2.60
2285
948
2.82
2478
—
—
—
—
—
—
—
—
—
4500
913
2.72
2391
—
—
—
—
—
—
—
—
—
—
—
—
4600
921
2.85
2501
—
—
—
—
—
—
—
—
—
—
—
—
4700
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
4800
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
4900
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
5000
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Bhp
—
Brake Horsepower Input to Fan
Watts —
Input Watts to Motor