—
32
—
Table 23 — Fan Performance 551B090 — Horizontal Discharge Units; High-Static Motor (Belt Drive)*
LEGEND
*Motor drive range: 860 to 1080 rpm. All other rpms require field-
supplied drive.
NOTES:
1.
Boldface
indicates field-supplied drive is required.
2. Maximum continuous bhp is 4.20.
3. See page 23 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
2250
465
0.43
402
555
0.64
596
629
0.86
802
694
1.10
1021
753
1.34
1252
2300
471
0.45
421
560
0.66
618
634
0.89
828
699
1.13
1050
757
1.38
1283
2400
483
0.49
461
571
0.71
665
644
0.94
881
708
1.19
1109
766
1.45
1348
2500
495
0.54
503
581
0.77
715
654
1.01
937
717
1.26
1171
775
1.52
1416
2550
501
0.56
526
587
0.79
740
659
1.04
967
722
1.29
1204
779
1.56
1452
2600
507
0.59
549
592
0.82
767
664
1.07
996
727
1.33
1237
784
1.60
1488
2700
519
0.64
597
603
0.88
823
674
1.14
1059
737
1.40
1306
793
1.68
1563
2800
532
0.70
649
614
0.95
882
684
1.21
1125
746
1.48
1378
803
1.76
1641
2900
544
0.75
703
625
1.01
944
695
1.28
1194
756
1.56
1453
812
1.85
1723
3000
557
0.82
761
637
1.08
1009
705
1.36
1266
766
1.64
1533
822
1.94
1808
3100
570
0.88
823
648
1.16
1079
716
1.44
1342
776
1.73
1615
831
2.03
1897
3200
583
0.95
888
660
1.23
1151
727
1.53
1422
787
1.82
1702
841
2.13
1991
3300
596
1.03
957
672
1.32
1228
738
1.61
1506
797
1.92
1792
851
2.24
2088
3400
609
1.10
1030
684
1.40
1308
749
1.71
1593
808
2.02
1887
861
2.35
2188
3500
622
1.19
1106
696
1.49
1392
760
1.81
1685
818
2.13
1985
872
2.46
2294
3600
635
1.27
1187
708
1.59
1481
771
1.91
1781
829
2.24
2088
882
2.58
2403
3700
649
1.36
1272
720
1.69
1573
783
2.02
1881
840
2.35
2195
892
2.70
2517
3750
655
1.41
1316
726
1.74
1621
789
2.07
1932
845
2.41
2250
897
2.76
2575
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
2250
806
1.60
1494
856
1.87
1747
903
2.15
2009
947
2.45
2282
988
2.75
2564
2300
811
1.64
1528
860
1.91
1784
907
2.20
2048
950
2.49
2323
992
2.80
2607
2400
819
1.71
1599
868
1.99
1859
915
2.28
2129
958
2.58
2410
1000
2.89
2698
2500
828
1.79
1672
877
2.08
1938
923
2.37
2214
966
2.68
2499
1008
3.00
2793
2550
832
1.83
1710
881
2.12
1979
927
2.42
2258
971
2.73
2545
1012
3.05
2842
2600
836
1.88
1749
885
2.17
2021
931
2.47
2302
975
2.78
2592
1016
3.10
2891
2700
845
1.96
1830
894
2.26
2107
940
2.57
2394
983
2.88
2689
1024
3.21
2993
2800
854
2.05
1914
903
2.36
2197
948
2.67
2488
991
2.99
2790
1032
3.32
3099
2900
864
2.15
2002
912
2.46
2290
957
2.77
2587
1000
3.10
2894
1041
3.44
3209
3000
873
2.24
2093
921
2.56
2388
966
2.89
2691
1008
3.22
3003
1049
3.56
3323
3100
882
2.35
2189
930
2.67
2489
975
3.00
2798
1017
3.34
3115
1057
3.69
3441
3200
892
2.45
2288
939
2.78
2595
984
3.12
2909
1026
3.47
3233
1066
3.82
3564
3300
901
2.56
2391
948
2.90
2704
993
3.24
3024
1035
3.60
3353
1075
3.96
3690
3400
911
2.68
2499
958
3.02
2817
1002
3.37
3144
1044
3.73
3479
1084
4.10
3821
3500
921
2.80
2610
967
3.15
2935
1011
3.50
3268
1053
3.87
3608
—
—
—
3600
931
2.92
2726
977
3.28
3057
1021
3.64
3396
1062
4.01
3743
—
—
—
3700
941
3.05
2847
987
3.41
3184
1030
3.78
3529
1071
4.16
3882
—
—
—
3750
946
3.12
2908
992
3.48
3249
1035
3.86
3597
—
—
—
—
—
—
Bhp
—
Brake Horsepower Input to Fan
Watts —
Input Watts to Motor
Содержание DURAPAC PLUS 551B
Страница 5: ...5 Fig 7 Base Unit Dimensions...
Страница 43: ...43 Fig 47 Cooling Charging Charts Standard 551B090 Unit Fig 48 Cooling Charging Charts Standard 551B102 Unit...
Страница 44: ...44 Fig 49 Cooling Charging Charts Standard 551B120 Unit Fig 50 Cooling Charging Charts Standard 551B150 Unit...
Страница 51: ......