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| Performance |
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| Q Fan |
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| Data |
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| Size 54 |
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Fan Size 54” |
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| Pressure Class Limits |
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| Minimum Fan RPM (Without VFRB Option) | ||||||||||||||||
Wheel Dia. | 54.3 inches |
| 1378 mm |
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| 857 |
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Inlet Area | 18.37 square feet | 1.707 m2 |
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| 1800 RPM |
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Outlet Area | 18.37 square feet | 1.707 m2 |
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| 1200 RPM |
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Tip Speed | 14.20 x RPM |
| 4.328 |
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Table |
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CFM | Out- |
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| Total Static Pressure |
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Std. | let | 1/4” |
| 3/8” | 1/2” |
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| 1 3/4” | 2” |
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Air | Vel. | RPM | BHP | RPM BHP | RPM | BHP |
| RPM | BHP | RPM | BHP |
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16200 | 881 | 323 | 1.2 | 344 | 1.6 | 365 | 1.9 | 387 | 2.4 | 410 | 2.8 |
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17600 | 958 | 344 | 1.4 | 363 | 1.8 | 382 | 2.2 | 402 | 2.6 | 422 | 3.1 |
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19000 1034 | 365 | 1.7 | 383 | 2.1 | 401 | 2.5 | 419 | 2.9 | 437 | 3.4 | 475 | 4.4 |
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20400 1110 | 387 | 1.9 | 403 | 2.3 | 420 | 2.8 | 437 | 3.2 | 454 | 3.7 | 488 | 4.8 |
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21800 1186 | 410 | 2.2 | 425 | 2.7 | 440 | 3.1 | 456 | 3.6 | 471 | 4.1 | 503 | 5.2 |
| 536 |
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23200 1262 | 432 | 2.6 | 446 | 3.0 | 460 | 3.5 | 475 | 4.0 | 490 | 4.5 | 519 | 5.6 |
| 550 |
| 6.8 | 582 | 8.1 |
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24600 1339 | 455 | 3.0 | 468 | 3.4 | 481 | 3.9 | 495 | 4.5 | 509 | 5.0 | 537 | 6.1 |
| 565 |
| 7.3 | 594 | 8.6 | 625 | 10.0 |
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26000 1415 | 479 | 3.4 | 491 | 3.9 | 503 | 4.4 | 516 | 4.9 | 529 | 5.5 | 555 | 6.6 |
| 581 |
| 7.8 | 608 | 9.2 | 636 | 10.6 | 666 | 12.1 |
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27400 1491 | 502 | 3.8 | 513 | 4.3 | 525 | 4.9 | 537 | 5.4 | 549 | 6.0 | 574 | 7.2 |
| 599 |
| 8.4 | 624 | 9.8 | 650 | 11.2 | 677 | 12.7 |
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28800 1567 | 525 | 4.3 | 536 | 4.9 | 547 | 5.4 | 558 | 6.0 | 570 | 6.6 | 594 | 7.9 |
| 617 |
| 9.1 | 641 | 10.5 | 665 | 11.9 | 690 | 13.5 |
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30200 1643 | 549 | 4.9 | 559 | 5.5 | 569 | 6.0 | 580 | 6.6 | 591 | 7.2 | 613 | 8.6 |
| 636 |
| 9.9 | 658 | 11.2 | 681 | 12.7 | 705 | 14.2 |
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31600 1720 | 572 | 5.5 | 582 | 6.1 | 592 | 67 | 602 | 7.3 | 612 | 7.9 | 633 | 9.3 |
| 655 |
| 10.7 | 676 | 12.0 | 698 | 13.5 | 720 | 15.0 |
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33000 1796 | 596 | 6.2 | 605 | 6.8 | 615 | 7.4 | 624 | 8.0 | 634 | 8.7 | 654 | 10.0 |
| 675 |
| 11.5 | 696 | 12.9 | 716 | 14.4 | 737 | 15.9 |
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34400 1872 | 620 | 6.9 | 629 | 7.5 | 638 | 8.1 | 647 | 8.8 | 656 | 9.5 | 675 | 10.9 |
| 695 |
| 12.4 | 715 | 13.9 | 734 | 15.3 | 754 | 16.9 |
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35800 1948 | 644 | 7.7 | 652 | 8.3 | 661 | 8.9 | 669 | 9.6 | 678 | 10.3 | 696 | 11.8 |
| 715 |
| 13.3 | 734 | 14.9 | 753 | 16.4 | 772 | 17.9 |
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37200 2025 | 668 | 8.5 | 676 | 9.1 | 684 | 9.8 | 692 | 10.5 | 701 | 11.2 | 718 | 12.7 |
| 736 |
| 14.2 | 754 | 15.9 | 773 | 17.5 | 791 | 19.2 |
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38600 2101 | 691 | 9.4 | 699 | 10.1 | 707 | 10.8 | 715 | 11.5 | 723 | 12.2 | 740 | 13.7 |
| 757 |
| 15.3 | 775 | 17.0 | 792 | 18.7 | 810 | 20.4 |
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40000 2177 | 715 | 10.3 | 723 | 11.0 | 731 | 11.7 | 738 | 12.5 | 746 | 13.2 | 762 | 14.8 |
| 778 |
| 16.4 | 795 | 18.1 | 812 | 19.9 | 829 | 21.6 |
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41400 2253 | 739 | 11.4 | 747 | 12.1 | 754 | 12.8 | 761 | 13.6 | 769 | 14.3 | 784 | 15.9 |
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| 17.6 | 816 | 19.3 | 833 | 21.1 | 849 | 22.9 |
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42800 2329 | 763 | 12.4 | 770 | 13.2 | 778 | 13.9 | 785 | 14.7 | 792 | 15.5 | 807 | 17.1 |
| 822 |
| 18.8 | 837 | 20.6 | 853 | 22.4 | 869 | 24.3 |
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44200 2406 | 788 | 13.6 | 794 | 14.4 | 801 | 15.1 | 808 | 15.9 | 815 | 16.8 | 829 | 18.4 |
| 844 |
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45600 2482 | 812 | 14.8 | 818 | 15.6 | 825 | 16.4 | 831 | 17.2 | 838 | 18.1 | 852 | 19.8 |
| 866 |
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47000 2558 | 836 | 16.1 | 842 | 17.0 | 849 | 17.8 | 855 | 18.6 | 862 | 19.5 | 875 | 21.2 |
| 888 |
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| 902 | 24.9 | 916 | 26.8 | 930 | 28.8 |
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48400 2634 | 860 | 17.5 | 866 | 18.4 | 872 | 19.2 | 879 | 20.1 | 885 | 20.9 | 898 | 22.7 |
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| 24.6 |
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CFM | Out- |
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Std. | let | 2 1/4” | 2 1/2” | 3” |
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| 5” |
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| 6” |
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Air | Vel. | RPM | BHP | RPM BHP | RPM | BHP |
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29000 1578 | 717 | 15.2 | 744 | 16.9 |
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30400 1654 | 730 | 16.0 | 755 | 17.7 |
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31800 1731 | 745 | 16.8 | 767 | 18.5 | 815 | 22.2 |
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33200 1807 | 760 | 17.7 | 782 | 19.5 | 826 | 23.1 |
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34600 1883 | 777 | 18.7 | 797 | 20.5 | 838 | 24.2 |
| 882 | 28.2 |
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36000 1959 | 794 | 19.8 | 813 | 21.6 | 852 | 25.3 |
| 893 | 29.3 |
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37400 2035 | 811 | 20.9 | 830 | 22.7 | 867 | 26.5 |
| 906 | 30.5 | 946 | 34.8 |
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38800 2112 | 830 | 22.2 | 847 | 23.9 | 883 | 27.7 |
| 920 | 31.8 | 957 | 36.1 |
| 997 | 40.6 |
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40200 2188 | 849 | 23.6 | 865 | 25.2 | 900 | 29.0 |
| 935 | 33.2 | 970 | 37.5 |
| 1007 | 42.0 |
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41600 2264 | 868 | 25.0 | 884 | 26.8 | 917 | 30.5 |
| 950 | 34.6 | 985 | 39.0 |
| 1019 | 43.5 |
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43000 2340 | 888 | 26.4 | 903 | 28.3 | 935 | 32.0 |
| 967 | 36.1 | 999 | 40.6 |
| 1033 | 45.2 |
| 1067 |
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| 1103 | 55.0 |
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44400 2416 | 907 | 27.9 | 923 | 29.8 | 953 | 33.6 |
| 984 | 37.7 | 1015 | 42.2 |
| 1047 | 46.9 |
| 1080 |
| 51.6 |
| 1113 | 56.7 |
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45800 2493 | 927 | 29.4 | 942 | 31.5 | 972 | 35.5 |
| 1001 | 39.5 | 1032 | 43.9 |
| 1062 | 48.6 |
| 1094 |
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| 1125 | 58.5 |
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47200 2569 | 948 | 31.1 | 962 | 33.1 | 991 | 37.3 |
| 1019 | 41.3 | 1048 | 45.8 |
| 1078 | 50.5 |
| 1108 |
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48600 2645 | 968 | 32.7 | 982 | 34.9 | 1010 | 39.2 |
| 1038 | 43.3 | 1066 | 47.7 |
| 1094 | 52.4 |
| 1123 |
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50000 2721 | 988 | 34.5 | 1002 | 36.7 | 1030 | 41.1 |
| 1057 | 45.5 | 1084 | 49.8 |
| 1111 | 54.5 |
| 1139 |
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51400 2798 | 1010 | 36.4 | 1023 | 38.6 | 1050 | 43.1 |
| 1076 | 47.7 | 1102 | 52.0 |
| 1129 | 56.7 |
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52800 2874 | 1031 | 38.4 | 1043 | 40.6 | 1070 | 45.2 |
| 1095 | 49.9 | 1121 | 54.5 |
| 1146 | 59.0 |
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54200 2950 | 1052 | 40.4 | 1064 | 42.7 | 1090 | 47.4 |
| 1115 | 52.1 | 1140 | 56.9 |
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55600 3026 | 1074 | 42.6 | 1086 | 44.8 | 1110 | 49.5 |
| 1135 | 54.5 |
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57000 3102 | 1096 | 44.8 | 1107 | 47.1 | 1130 | 51.9 |
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58400 3179 | 1118 | 47.1 | 1129 | 49.5 | 1151 | 54.3 |
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59800 3255 | 1140 | 49.5 | 1151 | 51.9 |
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Performance based on 0.075 lbs. per cubic foot density (air at 70 F and 29.92 Hg Bar).
Performance shown is for installationType B: free inlet, ducted outlet.
Power rating (BHP) does not include drive losses.
Performance ratings do not include the effects of appurtenances in the airstream.
When inlet vanes are used increase rpm 1 percent and brake horsepower 3 percent.
Fan tables cover part of fan operating range; fan curves show full operating range.
44