13
Table 11 — 50RTG15 Blower Performance
LEGEND
NOTES:
1. Fan BHP includes drive losses.
2. Region “A” is standard drive package.
3. Regions “B” and “C” require optional drive packages.
4. Region “D” represents oversized motor and special sheaves.
5. For applications requiring higher static pressures, contact your local representative.
Table 12 — 50RTG20 Blower Performance
LEGEND
NOTES:
1. Fan BHP includes drive losses.
2. Region “A” is standard drive package.
3. Regions “B” and “C” require optional drive packages.
4. Region “D” represents oversized motor and special sheaves.
5. For applications requiring higher static pressures, contact your local representative.
SCFM
AIRFLOW
EXTERNAL STATIC PRESSURE (in. wg)
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5
4500 BHP 0.68 0.78 0.88 0.98 1.08 1.17 1.28 1.39 1.43 1.54 1.65 1.76 Operation Not
Recommended
RPM 465 506 545 582 617 650 681 711 740 768 795 821
Turns Out 5.0 3.5 2.5 4.5 4.0 3.5 2.5 2.0 1.0 4.0 3.5 3.0
5000 BHP 0.87 0.98 1.09 1.20 1.31 1.42 1.52 1.65 1.76 1.87 1.94 2.07 2.16 2.31
RPM 493 531 568 603 636 669 701 732 762 791 819 846 872 897
Turns Out 4.0 3.0 2.0 4.5 3.5 3.0 2.0 1.0 4.0 3.5 3.0 2.5 1.5 1
5500 BHP 1.10 1.22 1.33 1.45 1.57 1.71 1.83 1.94 2.07 2.20 2.31 2.44 2.51 2.64
RPM 525 561 595 627 659 690 720 749 777 804 830 855 879 902
Turns Out 3.0 2.0 4.5 4.0 3.0 2.0 1.5 4.5 4.0 3.0 2.5 2.0 1.5 1
6000 BHP 1.36 1.49 1.62 1.75 1.88 2.01 2.15 2.28 2.42 2.55 2.71 2.84 2.97 3.102
RPM 556 589 621 652 682 712 740 768 795 821 846 871 895 918
Turns Out 2.0 4.5 4.0 3.0 2.5 1.5 1.0 4.0 3.5 3.0 2.5 2.0 1.0 0.5
6500 BHP 1.69 1.83 1.97 2.10 2.24 2.39 2.53 2.67 2.83 2. 97 3.12 3.26 3.41 3.564
RPM 593 624 654 683 711 739 766 793 819 844 868 890 913 936
Turns Out 4.5 4.0 3.0 2.5 1.5 1.0 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5
7000 BHP 2.05 2.19 2.34 2.49 2.64 2.79 2.95 3.10 3.26 3.41 3.56 3.73 3. 88
RPM 625 654 683 710 737 764 790 815 840 864 888 911 934
Turns Out 4.0 3.0 2.5 2.0 1.0 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5
7500 BHP 2.46 2.62 2.77 2.94 3.09 3.26 3.41 3.58 3.74 3.91 4.08 4.25 Operation Not
Recommended
RPM 660 687 714 740 766 791 816 840 864 887 910 933
Turns Out 3.0 2.5 1.5 1.0 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5
BHP —Brake Horsepower
SCFM —Standard Cubic Feet Per Minute
SCFM
AIRFLOW
EXTERNAL STATIC PRESSURE (in. wg)
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5
6,000 BHP 1.38 1.51 1.63 1.76 1.89 2.02 2.16 2.30 2.43 2.57 2.71 2.84 2.9 9 3.12
RPM 560 592 624 655 685 715 743 771 797 823 849 874 897 921
Turns Out 5.5 4.0 3.0 5.5 4.5 3.5 2.5 1.5 1.0 0.0 4.0 3.5 2.5 2.0
6,600 BHP 1.83 1.73 2.10 2.24 2.39 2.53 2.67 2.83 2.97 3.12 3.28 3.34 3.50 3.65
RPM 614 644 673 702 729 757 783 809 834 859 883 895 919 941
Turns Out 3.5 2.0 5.0 4.0 3.0 2.0 1.5 0.5 4.5 3.5 3.0 2.5 2.0 1.5
7,200 BHP 2.30 2.44 2.60 2.75 2.90 3.06 3.22 3.38 3.54 3.70 3.86 4.03 4.20 4.27
RPM 656 684 711 738 764 790 815 839 863 887 910 933 957 966
Turns Out 5.5 4.5 3.5 3.0 2.0 1.0 0.0 4.5 3.5 3.0 2.5 1.5 1.0 0.5
8,000 BHP 2.94 3.10 3.27 3.44 3.61 3.77 3.95 4.13 4.30 4.47 4.65 4.83 5.01
RPM 696 722 747 772 797 821 844 867 890 912 935 956 978
Turns Out 4.0 3.5 2.5 1.5 1.0 0.0 4.0 3.5 3.0 2.0 1.5 1.0 0.5
8,600 BHP 3.71 3.88 4.06 4.25 4.42 4.61 4.79 4.97 5.16 5.35 5.53
RPM 756 780 803 827 849 872 894 916 937 958 979
Turns Out 2.0 1.5 0.5 4.5 4.0 3.5 3.0 2.0 1.5 1.0 0.5
9,300 BHP 4.59 4.77 4.97 5.16 5.36 5.56 5.75 5.95 6.15
RPM 805 828 850 872 893 914 935 955 976 Operation Not
Recommended
Turns Out 0.5 4.5 4.0 3.5 2.5 2.0 1.5 1.0 0.5
10,000 BHP 5.43 5.63 5.84 6.05 6.26 6.47 6.68 6.89
RPM 838 859 881 901 922 942 962 981
Turns Out 4.5 3.5 3.0 2.5 2.0 1.5 0.5 0.0
BHP —Brake Horsepower
SCFM —Standard Cubic Feet Per Minute
D
A
BCD
A
B
C