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Table 20 — Fan Performance — 50BVT,U,V064
LEGEND
NOTES:
1. Unit is available with the following motor and drive combina-
tions: 7.5, 10, 15, 20 HP standard drive; 7.5, 10, 15, 20 HP
medium-static drive; 7.5, 10, 15, 20 HP high-static drive.
For 7.5 HP standard drives, the drive range is 780 to 960 rpm.
For 10, 15, 20 HP standard and 7.5 HP medium-static drives,
the drive range is 805 to 991 rpm. For 10, 15, 20 HP medium-
static and 7.5 HP high-static drives the drive range is 960 to
1146 rpm. For 10, 15, 20 HP high-static drives the drive range
is 1119 to 1335 rpm.
2.
Italics
indicates field-supplied drive required.
3.
Do not operate in shaded area.
4. Static pressure losses must be applied to external static pres-
sure before entering the fan performance table.
5. Interpolation is permitted, extrapolation is not.
6. Fan performance is based on filter, unit casing and wet coil
losses.
7. Bhp values are
per fan
. Watts values are
per motor
. Unit has
2 supply fans and 2 motors.
AIRFLOW
(cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.2
0.4
0.6
0.8
1.0
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
Watts
Bhp
18,000
564
3,167
3.76
605
3,483
4.13
645
3,798
4.51
683
4,112
4.88
718
4,392
5.21
19,000
590
3,666
4.35
629
3,999
4.74
667
4,331
5.14
704
4,671
5.54
738
4,977
5.90
20,000
617
4,226
5.01
655
4,584
5.44
691
4,933
5.85
726
5,282
6.27
761
5,654
6.71
21,000
643
4,820
5.72
678
5,194
6.16
713
5,583
6.62
747
5,963
7.07
780
6,263
7.51
22,000
669
5,503
6.53
704
5,901
7.00
737
6,298
7.47
770
6,612
7.93
802
7,005
8.40
23,000
696
6,236
7.40
729
6,577
7.89
761
6,987
8.38
792
7,388
8.86
823
7,798
9.36
24,000
722
6,952
8.34
754
7,380
8.85
784
7,798
9.36
815
8,225
9.87
845
8,510
10.38
25,000
750
7,816
9.38
780
8,260
9.91
810
8,561
10.44
839
8,990
10.97
868
9,427
11.50
26,000
777
8,595
10.49
806
9,050
11.04
835
9,504
11.59
863
9,949
12.14
891
10,403
12.69
27,000
804
9,572
11.68
832
10,043
12.25
860
10,514
12.83
887
10,985
13.40
914
11,447
13.96
28,000
832
10,634
12.97
859
11,122
13.57
886
11,610
14.16
912
12,097
14.76
938
12,585
15.35
29,000
859
11,747
14.33
885
12,251
14.94
911
12,756
15.56
936
13,260
16.18
962
13,765
16.79
AIRFLOW
(cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.2
1.4
1.6
1.8
2.0
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
Watts
Bhp
18,000
751
4,663
5.53
785
4,933
5.85
817
5,212
6.18
849
5,512
6.54
881
5,804
6.89
19,000
771
5,264
6.25
802
5,574
6.61
834
5,866
6.96
864
6,166
7.31
895
6,394
7.67
20,000
792
5,963
7.07
822
6,272
7.44
852
6,498
7.80
882
6,804
8.16
911
7,118
8.54
21,000
812
6,603
7.92
841
6,926
8.31
870
7,240
8.69
899
7,563
9.07
927
7,885
9.46
22,000
833
7,388
8.86
861
7,720
9.26
889
8,051
9.66
917
8,253
10.07
944
8,578
10.46
23,000
854
8,199
9.84
882
8,441
10.30
909
8,784
10.72
936
9,127
11.13
962
9,469
11.55
24,000
874
8,921
10.88
903
9,332
11.38
930
9,701
11.83
955
10,060
12.27
981
10,420
12.71
25,000
896
9,855
12.02
924
10,283
12.54
951
10,702
13.06
976
11,079
13.51
1001
11,456
13.97
26,000
919
10,857
13.24
945
11,302
13.79
972
11,747
14.33
997
12,166
14.84
1022
12,551
15.31
27,000
941
11,918
14.54
967
12,380
15.10
993
12,850
15.67
1018
13,303
16.23
1042
13,722
16.74
28,000
964
13,064
15.94
990
13,551
16.53
1015
14,030
17.11
1040
14,517
17.71
1064
14,979
18.27
29,000
987
14,269
17.41
1011
14,765
18.01
1036
15,261
18.62
1060
15,765
19.23
1084
16,260
19.83
Bhp
—
Brake Horsepower Input to Supply Fan
Watts —
Input Power to Supply Fan Motor