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Table 19 — Fan Performance — 50BVT,U,V054
LEGEND
NOTES:
1. Unit is available with the following motor and drive com-
binations: 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
15,000 489 1953 2.32 537 2227 2.64 582 2473 2.93 623 2711 3.22 663 2939 3.49
16,000 513 2315 2.75 559 2596 3.08 603 2878 3.41 642 3132 3.72 680 3369 4.00
17,000 540 2728 3.24 583 3027 3.59 624 3325 3.94 663 3605 4.28 699 3868 4.59
18,000 564 3167 3.76 605 3483 4.13 645 3798 4.51 683 4112 4.88 718 4392 5.21
18,500 578 3413 4.05 618 3745 4.44 657 4069 4.83 694 4392 5.21 729 4680 5.55
19,000 590 3666 4.35 629 3999 4.74 667 4331 5.14 704 4671 5.54 738 4977 5.90
19,500 604 3938 4.67 642 4278 5.08 679 4628 5.49 715 4968 5.89 749 5299 6.29
20,000 617 4226 5.01 655 4584 5.44 691 4933 5.85 726 5282 6.27 761 5654 6.71
20,500 629 4505 5.34 665 4872 5.78 701 5238 6.21 736 5618 6.67 770 5980 7.09
21,000 643 4820 5.72 678 5194 6.16 713 5583 6.62 747 5963 7.07 780 6263 7.51
22,000 669 5503 6.53 704 5901 7.00 737 6298 7.47 770 6612 7.93 802 7005 8.40
23,000 696 6236 7.40 729 6577 7.89 761 6987 8.38 792 7388 8.86 823 7798 9.36
24,000 722 6952 8.34 754 7380 8.85 784 7798 9.36 815 8225 9.87 845 8510 10.38
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
15,000 701 3167 3.76 739 3413 4.05 777 3658 4.34 814 3,911 4.64 850 4,174 4.95
16,000 717 3623 4.30 753 3868 4.59 789 4121 4.89 824 4,383 5.20 858 4,654 5.52
17,000 734 4121 4.89 769 4383 5.20 803 4645 5.51 837 4,915 5.83 870 5,194 6.16
18,000 751 4663 5.53 785 4933 5.85 817 5212 6.18 849 5,512 6.54 881 5,804 6.89
18,500 762 4968 5.89 794 5247 6.22 826 5548 6.58 857 5,839 6.93 889 6,130 7.27
19,000 771 5264 6.25 802 5574 6.61 834 5866 6.96 864 6,166 7.31 895 6,394 7.67
19,500 781 5618 6.67 812 5919 7.02 843 6219 7.38 873 6,446 7.73 903 6,743 8.09
20,000 792 5963 7.07 822 6272 7.44 852 6498 7.80 882 6,804 8.16 911 7,118 8.54
20,500 801 6307 7.48 831 6542 7.85 860 6856 8.23 890 7,170 8.60 918 7,484 8.98
21,000 812 6603 7.92 841 6926 8.31 870 7240 8.69 899 7,563 9.07 927 7,885 9.46
22,000 833 7388 8.86 861 7720 9.26 889 8051 9.66 917 8,253 10.07 944 8,578 10.46
23,000 854 8199 9.84 882 8441 10.30 909 8784 10.72 936 9,127 11.13 962 9,469 11.55
24,000 874 8921 10.88 903 9332 11.38 930 9701 11.83 955 10,060 12.27 981 10,420 12.71
Bhp — Brake Horsepower Input to Supply Fan
Watts — Input Power to Supply Fan Motor