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Table 27 — Fan Performance 558F120,121 — Horizontal Discharge Units; High-Static Motor (Belt Drive)*
AIRFLOW
0.2
(Cfm)
Rpm
Bhp
3000
484
0.58
3100
494
0.63
3200
505
0.68
3300
516
0.74
3400
526
0.80
3500
537
0.86
3600
548
0.93
3700
559
1.00
3800
571
1.07
3900
582
1.15
4000
593
1.23
4100
604
1.32
4200
616
1.41
4300
627
1.50
4400
639
1.60
4500
650
1.70
4600
662
1.81
4700
674
1.92
4800
685
2.03
4900
697
2.15
5000
709
2.28
AIRFLOW
1.2
(Cfm)
Rpm
Bhp
3000
798
1.36
3100
805
1.42
3200
812
1.49
3300
819
1.56
3400
826
1.63
3500
833
1.71
3600
841
1.80
3700
848
1.88
3800
856
1.97
3900
864
2.07
4000
872
2.17
4100
880
2.27
4200
888
2.38
4300
896
2.49
4400
904
2.60
4500
913
2.72
4600
921
2.85
4700
930
2.98
4800
938
3.11
4900
947
3.25
5000
956
3.40
LEGEND
Bhp
— Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive range: 830 to 1130 rpm. All other rpms require field-
supplied drive.
All manuals and user guides at all-guides.com
EXTERNAL STATIC PRESSURE (in. wg)
0.4
Watts
Rpm
Bhp
Watts
506
562
0.71
625
550
571
0.77
672
597
581
0.82
723
647
590
0.88
776
699
600
0.95
832
755
609
1.01
891
813
619
1.09
953
875
629
1.16
1018
940
639
1.24
1087
1008
649
1.32
1158
1080
659
1.41
1234
1155
669
1.50
1312
1233
680
1.59
1395
1316
690
1.69
1481
1402
701
1.79
1570
1492
711
1.90
1664
1585
722
2.01
1762
1683
733
2.12
1863
1785
744
2.24
1969
1891
754
2.37
2078
2001
765
2.50
2193
EXTERNAL STATIC PRESSURE (in. wg)
1.4
Watts
Rpm
Bhp
Watts
1191
846
1.55
1357
1247
853
1.61
1415
1306
859
1.68
1476
1369
866
1.75
1539
1434
873
1.83
1606
1503
880
1.91
1677
1576
887
2.00
1751
1651
894
2.08
1829
1731
901
2.18
1911
1814
909
2.27
1995
1900
916
2.37
2084
1991
924
2.48
2177
2085
932
2.59
2273
2183
940
2.70
2374
2285
948
2.82
2478
2391
956
2.95
2586
2501
964
3.08
2699
2615
972
3.21
2816
2733
981
3.35
2937
2856
989
3.49
3063
2984
998
3.64
3193
0.6
Rpm
Bhp
Watts
Rpm
630
0.86
752
691
638
0.91
802
699
647
0.97
855
706
655
1.04
911
714
664
1.11
970
722
673
1.18
1032
731
682
1.25
1097
739
691
1.33
1166
747
700
1.41
1237
756
709
1.50
1313
765
719
1.59
1391
773
728
1.68
1473
782
738
1.78
1559
791
747
1.88
1648
800
757
1.98
1741
809
767
2.10
1839
819
777
2.21
1940
828
787
2.33
2045
838
797
2.45
2154
847
807
2.58
2268
857
818
2.72
2385
866
1.6
Rpm
Bhp
Watts
Rpm
892
1.75
1534
935
898
1.81
1592
941
904
1.88
1654
947
911
1.96
1719
953
917
2.04
1788
959
924
2.12
1860
966
931
2.21
1936
972
938
2.30
2015
979
945
2.39
2098
986
952
2.49
2185
993
959
2.59
2276
1000
966
2.70
2370
1007
974
2.81
2469
1014
981
2.93
2571
1021
989
3.05
2678
1029
997
3.18
2788
1036
1005
3.31
2904
1044
1013
3.44
3023
1052
1021
3.58
3146
1060
1029
3.73
3275
1067
1037
3.88
3407
1075
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 5.25.
3. See page 33 for general fan performance notes.
—
—
51
0.8
1.0
Bhp
Watts
Rpm
Bhp
1.01
888
747
1.18
1.07
941
754
1.24
1.13
996
761
1.31
1.20
1055
768
1.38
1.27
1116
776
1.45
1.35
1181
784
1.52
1.42
1249
792
1.60
1.50
1320
799
1.69
1.59
1395
808
1.78
1.68
1473
816
1.87
1.77
1554
824
1.96
1.87
1639
832
2.06
1.97
1728
841
2.17
2.07
1821
850
2.28
2.18
1917
858
2.39
2.30
2017
867
2.51
2.42
2122
876
2.63
2.54
2230
885
2.76
2.67
2343
894
2.89
2.80
2459
903
3.03
2.94
2580
912
3.17
1.8
2.0
Bhp
Watts
Rpm
Bhp
1.96
1719
976
2.18
2.03
1779
982
2.25
2.10
1842
987
2.32
2.17
1908
994
2.40
2.25
1978
1000
2.48
2.34
2051
1006
2.56
2.42
2128
1012
2.65
2.52
2209
1019
2.75
2.61
2294
1025
2.85
2.71
2382
1032
2.95
2.82
2475
1039
3.05
2.93
2571
1046
3.17
3.04
2672
1053
3.28
3.16
2776
1060
3.40
3.29
2884
1067
3.53
3.41
2997
1074
3.66
3.55
3115
1082
3.80
3.69
3236
1089
3.94
3.83
3362
1097
4.08
3.98
3492
1104
4.23
4.13
3627
1112
4.39
Watts
1035
1089
1146
1207
1271
1338
1408
1482
1559
1640
1724
1811
1903
1999
2098
2201
2308
2420
2536
2656
2780
Watts
1915
1974
2038
2106
2176
2251
2329
2411
2498
2587
2681
2779
2881
2987
3098
3212
3332
3455
3583
3716
3853
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