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Table 9 — 50RTG10 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 10 — 50RTG12 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
3000
BHP 0.69 0.76 0.83 0.89 0.96 1.02 1.09 1.16 1.22 1.29 1.36 1.43 1.50 1.57
RPM 563 596 628 658 688 718 746 773 800 826 851 876 900 923
Turns Out 4.5 3.5 2.5 1.5 1.0 4.0 3.5 3.0 2.5 2.0 1.5 0.5 0.0 2.5
3300
BHP 0.89 0.96 1.03 1.10 1.18 1.24 1.32 1.39 1.46 1.54 1.62 1.69 1.77 1.85
RPM 604 635 664 693 721 748 775 801 827 852 876 900 923 946
Turns Out 3 2.5 1.5 4.5 4.0 3.5 3.0 2.5 2.0 1.0 0.5 0.0 2.5 2.0
3600
BHP 1.121.201.281.351.431.511.581.661.751.831.901.99 2.07 2.16
RPM 647 676 703 730 756 782 807 832 856 880 903 926 949 971
Turns Out 2.0 1.0 4.5 4.0 3.5 2.5 2.0 1.5 1.0 0.5 0.0 2.5 2.0 1.5
4000
BHP 1.47 1.56 1.64 1.73 1.82 1.89 1.98 2.07 2.16 2.24 2.33 2.42 2.51 2.61
RPM 699 725 750 775 799 823 847 870 892 915 937 958 980 1001
Turns Out 4.5 4.0 3.5 3.0 2.5 2.0 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5
4300
BHP 1.82 1.90 1.99 2.09 2.18 2.27 2.35 2.45 2.54 2.64 2.73 2.83 2.93
RPM 746 770 794 817 840 863 885 907 929 950 971 991 1012
Turns Out 3.5 3.0 4.5 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 1.0 0.5
4700
BHP 2.32 2.42 2.52 2.61 2.71 2.81 2.90
RPM 803 825 848 869 891 912 933
Turns Out 4.5 4.0 3.5 3.5 3.0 2.5 2.0
Operation Not Recommended
5000
BHP 2.76 2.86 2.96
RPM 847 868 889
Turns Out 3.5 3.5 3.0
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
3600
BHP 1.02 1.10 1.18 1.25 1.33 1.41 1.49 1.56 1.64 1.72 1.80 1.88 1.97 2.05
RPM 609 639 667 695 722 748 774 800 825 849 873 896 919 942
Turns Out 5.5 4.5 3.5 2.5 1.5 5.5 4.5 3.5 3.0 2.5 1.5 1.0 4.5 4.0
4000
BHP 1.38 1.45 1.54 1.62 1.71 1.78 1.87 1.96 2.05 2.13 2.22 2.31 2.40 2.49
RPM 664 691 717 742 767 792 816 839 863 886 908 930 952 973
Turns Out 4.5 3.0 2.0 5.5 4.5 4.0 3.5 2.5 2.0 1.5 4.5 4.0 3.5 3.0
4400
BHP 1.77 1.86 1.96 2.05 2.13 2.23 2.32 2.41 2.51 2.61 2.70 2.79 2.89 2.98
RPM 716 741 765 789 812 835 858 879 901 923 944 965 985 1006
Turns Out 2.0 5.5 4.5 4.0 3.5 3.0 2.0 1.5 5.0 4.5 4.0 3.5 3.0 2.5
4800
BHP 2.23 2.33 2.43 2.53 2.63 2.73 2.83 2.93 3.03 3.12 3.23 3.33 3.43 3.54
RPM 765 788 810 833 854 876 897 918 938 959 978 998 1018 1037
Turns Out 5.5 4.0 3.5 3.0 2.5 1.5 1.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5
5200
BHP 2.82 2.93 3.04 3.14 3.25 3.36 3.47 3.58 3.69 3.78 3.89 4.00 4.11
RPM 825 846 867 888 908 928 948 968 987 1006 1025 1044 1062
Turns Out 4.5 2.5 5.5 5.0 4.5 4.0 3.5 3.5 3.0 2.5 2.0 1.5 1.0
5600
BHP 3.47 3.58 3.70 3.81 3.93 4.04 4.16 4.27 4.39 4.51 4.62
RPM 879 899 918 938 957 976 995 1013 1031 1050 1067
Turns Out 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.5 1.0
Operation Not
Recommended
6000
BHP 4.20 4.33 4.46 4.58 4.70 4.82 4.95
RPM 933 952 970 989 1007 1025 1042
Turns Out 4.0 3.5 3.0 3.0 2.5 2.0 1.5
BHP — Brake Horsepower
SCFM — Standard Cubic Feet Per Minute
D
A
B
C
D
A
B
C