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Table 7 — 50RTP06 Blower Performance Data
LEGEND
NOTES:
1. A = Standard RPM/Standard Motor, B = Low RPM/Standard
Motor, C = High RPM/Standard Motor, E = High RPM/Large
Motor
2. Unit shipped with standard drive package with drive sheave 2.5
turns open unless otherwise requested. Field adjustment may
be required for specified CFM.
3. ISO/AHRI rating point with standard drive package and drive
sheave open 3.0 turns at .30 ESP.
4. Performance data does not include drive losses and is based
on sea level conditions.
5. All airflow is rated at lowest voltage if unit is dual rated, i.e.,
rated at 208 volts for 208-230 volt units.
AIRFLOW
(cfm)
ESP
AIRFLOW (cfm) AT EXTERNAL STATIC PRESSURE (in. wg)
0.0 0.1 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
1800
bhp 0.270.310.350.390.430.470.510.550.590.620.660.700.740.760.790.83
Sheave/MotorBBBBAAAAAAAAACCC
rpm 568 620 665 710 755 790 830 865 895 920 950 975 1005 1025 1045 1070
Turns Open 5.0 3.5 2.5 1.5 5.0 4.0 3.5 3.0 2.5 2.0 1.0 0.5 0.0 4.0 4.0 3.5
1900
bhp 0.290.330.370.420.460.500.550.590.630.670.700.740.770.810.850.89
Sheave/MotorBBBBAAAAAAAACCCC
rpm 573 625 670 715 755 795 830 870 900 930 960 990 1015 1040 1060 1085
Turns Open 4.5 3.5 2.5 1.5 5.0 4.0 3.5 3.0 2.0 1.5 1.0 0.5 4.5 4.0 3.5 3.5
2000
bhp 0.320.360.410.460.510.560.600.650.690.720.760.800.840.880.920.96
Sheave/MotorBBBBAAAAAAAACCCC
rpm 583 630 675 720 760 800 835 875 905 935 970 1000 1025 1050 1075 1100
Turns Open 4.5 3.0 2.0 1.0 4.5 3.5 3.0 2.5 2.0 1.5 0.5 0.0 4.0 3.5 3.5 3.0
2100
bhp 0.390.440.470.510.560.610.660.710.750.790.830.870.910.950.991.03
Sheave/MotorBBBBAAAAAAACCCCC
rpm 599 645 685 725 770 805 845 885 915 950 980 1010 1035 1060 1085 1110
Turns Open 4.0 3.0 2.0 1.0 4.5 3.5 3.0 2.5 1.5 1.0 0.5 4.5 4.0 3.5 3.0 3.0
2200
bhp 0.420.470.520.560.620.670.720.770.810.850.890.930.981.021.061.11
Sheave/MotorBBBAAAAAAAACCCCC
rpm 620 665 705 745 785 825 865 900 930 960 995 1020 1050 1075 1100 1130
Turns Open 3.5 2.5 1.5 5.0 4.0 3.5 2.5 2.0 1.5 1.0 0.0 4.0 3.5 3.5 3.0 2.5
2300
bhp 0.490.540.580.620.670.720.780.820.870.910.971.021.081.131.191.23
Sheave/MotorBBBAAAAAAACCCCCC
rpm 640 685 725 765 800 840 880 910 945 975 1010 1035 1065 1090 1120 1145
Turns Open 3.0 2.0 1.0 4.5 4.0 3.0 2.5 2.0 1.0 0.5 4.5 4.0 3.5 3.0 2.5 2.5
2400
bhp 0.540.580.620.680.740.790.850.900.940.991.041.101.151.211.271.31
Sheave/MotorBBAAAAAAAACCCCCC
rpm 660 700 740 780 820 855 890 925 955 990 1020 1050 1075 1105 1135 1155
Turns Open 2.5 1.5 5.0 4.5 3.5 3.0 2.0 1.5 1.0 0.5 4.0 3.5 3.5 3.0 2.5 2.0
2500
bhp 0.590.640.690.750.810.870.920.961.011.051.111.171.231.291.341.39
Sheave/MotorBBAAAAAAAACCCCCC
rpm 680 725 765 800 835 870 905 935 970 1000 1030 1060 1090 1120 1145 1170
Turns Open 2.0 1.0 4.5 4.0 3.5 3.0 2.0 1.5 0.5 0.0 4.0 3.5 3.0 C 2.0 2.0
2600
bhp 0.640.690.750.800.860.920.971.021.081.131.191.251.301.361.411.50
Sheave/MotorBAAAAAAAACCCCCCE
rpm 700 740 780 815 850 885 920 950 985 1015 1045 1075 1100 1130 1155 1180
Turns Open 1.5 5.0 4.5 3.5 3.0 2.5 2.0 1.0 0.5 4.5 3.5 3.0 3.0 2.5 2.0 1.5
2700
bhp 0.700.750.800.860.910.971.021.081.141.201.261.321.381.501.521.56
Sheave/MotorBAAAAAAACCCCCEEE
rpm 725 760 795 830 865 900 930 960 995 1025 1055 1085 1115 1140 1165 1190
Turns Open 1.0 4.5 4.0 3.5 3.0 2.0 1.5 1.0 4.5 4.0 3.5 3.0 2.5 2.0 2.0 1.5
2800
bhp 0.760.820.880.930.981.051.101.161.221.301.371.441.501.561.631.69
Sheave/MotorAAAAAAAACCCCEEEE
rpm 745 780 815 850 880 915 945 980 1010 1040 1070 1100 1125 1150 1180 1205
Turns Open 5.0 4.0 3.5 3.0 2.5 1.5 1.0 0.5 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.5
2900
bhp 0.820.880.930.981.051.111.171.231.301.371.441.511.591.651.711.77
Sheave/MotorAAAAAAACCCCEEEEE
rpm 765 800 830 865 900 930 960 990 1020 1050 1080 1110 1140 1165 1190 1215
Turns Open 4.5 4.0 3.5 2.5 2.0 1.5 0.5 4.5 4.0 3.5 3.0 2.5 2.5 2.0 1.5 1.0
3000
bhp 0.910.961.021.071.131.201.261.321.381.461.531.601.661.721.781.84
Sheave/MotorAAAAAAACCCEEEEEE
rpm 785 820 855 885 915 950 980 1010 1035 1065 1095 1125 1150 1175 1200 1225
Turns Open 4.0 3.5 3.0 2.5 2.0 1.0 0.5 4.0 4.0 3.5 3.0 2.5 2.0 1.5 1.5 1.0
bhp — Brake Horsepower
ESP — External Static Pressure