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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