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FAN PERFORMANCE (cont.)
TABLE 25 – 581J*07----3 PHASE----6 TON HORIZONTAL SUPPLY
CFM
Available External Static Pressure (in. wg)
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
1800 441 0.33 533 0.51 611 0.72 681 0.96 745 1.23 804 1.51 860 1.82 912 2.15 961 2.49 1008 2.85
1950 462 0.38 550 0.58 626 0.80 694 1.04 757 1.31 815 1.60 869 1.91 920 2.24 969 2.59 1016 2.96
2100 483 0.45 567 0.65 641 0.88 708 1.13 769 1.40 826 1.70 880 2.01 930 2.35 978 2.70 1024 3.07
2250 505 0.52 586 0.73 657 0.97 722 1.22 782 1.50 838 1.81 891 2.12 941 2.46 988 2.82 1033 3.19
2400 528 0.60 605 0.82 674 1.07 738 1.33 796 1.62 851 1.92 903 2.25 952 2.59 999 2.95 1043 3.33
2550 550 0.69 625 0.92 692 1.17 754 1.45 811 1.74 865 2.05 916 2.38 964 2.73 1010 3.10 1054 3.48
2700 574 0.80 645 1.03 710 1.29 770 1.57 826 1.88 879 2.19 929 2.53 976 2.88 1022 3.25 1066 3.64
2850 597 0.91 666 1.16 729 1.43 788 1.71 843 2.02 894 2.35 943 2.69 990 3.05 1035 3.43 1078 3.82
3000 621 1.03 688 1.29 749 1.57 806 1.87 859 2.18 910 2.51 958 2.86 1004 3.23 1048 3.61 1090 4.01
NOTE: For more information, see General Fan Performance Notes.
Boldface indicates field---supplied drive is required.
* Standard static 489 --- 747 RPM, 1.7 BHP max
* Medium static 733 --- 949 RPM, 2.9 BHP max
* High static 909 --- 1102 RPM, 4.7 BHP max
TABLE 26 – 581J*07----3 PHASE----6 TON VERTICAL SUPPLY
CFM
Available External Static Pressure (in. wg)
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
1800 449 0.34 539 0.53 615 0.75 681 0.99 742 1.26 797 1.54 848 1.84 896 2.16 942 2.49 985 2.84
1950 470 0.40 557 0.60 631 0.83 696 1.08 756 1.35 810 1.64 861 1.94 909 2.26 954 2.60 997 2.96
2100 491 0.47 576 0.68 648 0.91 712 1.17 771 1.45 824 1.74 875 2.06 922 2.38 967 2.73 1009 3.09
2250 513 0.54 595 0.76 665 1.01 728 1.27 786 1.56 839 1.86 889 2.18 935 2.52 980 2.87 1022 3.23
2400 536 0.63 615 0.86 684 1.11 745 1.39 802 1.68 854 1.99 903 2.32 950 2.66 993 3.02 1035 3.39
2550 558 0.72 635 0.97 702 1.23 763 1.51 818 1.81 870 2.13 918 2.46 964 2.81 1008 3.18 1049 3.55
2700 582 0.83 656 1.08 721 1.35 781 1.65 835 1.95 886 2.28 934 2.62 979 2.98 1022 3.35 1063 3.74
2850 605 0.94 677 1.21 741 1.49 799 1.79 853 2.11 903 2.44 950 2.79 995 3.16 1037 3.54 1078 3.93
3000 629 1.07 699 1.35 761 1.64 818 1.95 871 2.28 920 2.62 966 2.98 1010 3.35 1052 3.74 1093 4.14
NOTE: For more information, see General Fan Performance Notes.
Boldface indicates field---supplied drive is required.
* Standard static 489 --- 747 RPM, 1.7 BHP max
* Medium static 733 --- 949 RPM, 2.9 BHP max
* High static 909 --- 1102 RPM, 4.7 BHP max
581J