17
Table 9 — 50RTP10 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
1.6
1.7
1.8
1.9
2.0
3000
bhp
0.66
0.71
0.76
0.81
0.86
0.94
1.02
1.1
1.17
1.22
1.27
1.32
1.39
1.48
1.56
1.65
1.74
1.78
1.83
1.86
1.91
Sheave/Motor
B
B
B
B
B
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
rpm
571
604
636
668
700
728
756
784
812
836
860
884
908
932
952
976
1000 1020 1040 1056 1076
Turns Open
5.5
5.0
4.0
3.0
2.0
6.0
5.5
5.0
4.0
3.5
3.0
2.5
2.0
1.5
1.0
4.5
4.0
4.0
3.5
3.0
3.0
3100
bhp
0.73
0.79
0.85
0.91
0.98
1.04
1.10
1.16
1.23
1.29
1.36
1.43
1.50
1.58
1.64
1.72
1.78
1.84
1.89
1.95
2.01
Sheave/Motor
B
B
B
B
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
rpm
592
624
656
684
716
744
772
800
824
848
872
896
920
944
964
988
1008 1028 1048 1068 1088
Turns Open
5.0
4.5
3.5
2.5
6.0
5.5
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
5.0
4.5
4.0
3.5
3.5
3.0
2.5
3200
bhp
0.78
0.84
0.90
0.97
1.04
1.12
1.20
1.27
1.32
1.37
1.42
1.49
1.58
1.66
1.75
1.84
1.89
1.94
2.00
2.05
2.10
Sheave/Motor
B
B
B
B
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
rpm
608
640
672
704
728
756
784
812
836
860
884
908
932
952
976
1000 1020 1040 1060 1080 1100
Turns Open
4.5
4.0
3.0
2.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
4.5
4.0
4.0
3.5
3.0
3.0
2.5
3300
bhp
0.87
0.93
1.01
1.08
1.14
1.20
1.26
1.33
1.39
1.46
1.53
1.61
1.68
1.77
1.86
1.92
1.98
2.04
2.10
2.16
2.23
Sheave/Motor
B
B
B
B
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
rpm
628
656
688
716
744
772
800
824
848
872
896
920
940
964
988
1008 1028 1048 1068 1088 1108
Turns Open
4.0
3.5
2.5
1.5
5.5
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
5.0
4.5
4.0
3.5
3.5
3.0
2.5
2.5
3400
bhp
0.94
1.01
1.07
1.15
1.23
1.30
1.37
1.42
1.47
1.52
1.59
1.69
1.77
1.86
1.96
2.03
2.10
2.16
2.23
2.30
2.36
Sheave/Motor
B
B
B
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
rpm
644
676
704
732
760
784
812
836
860
884
908
932
952
976
1000 1020 1040 1060 1080 1100 1116
Turns Open
3.5
3.0
2.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
4.5
4.0
4.0
3.5
3.0
3.0
2.5
2.0
3500
bhp
1.03
1.12
1.18
1.24
1.30
1.36
1.43
1.49
1.56
1.63
1.72
1.80
1.90
1.99
2.07
2.13
2.19
2.26
2.32
2.40
2.47
Sheave/Motor
B
B
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
C
rpm
660
692
720
744
772
800
824
848
872
896
920
940
964
988
1008 1028 1048 1068 1088 1108 1124
Turns Open
3.5
2.5
6.0
5.5
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
5.0
4.5
4.0
3.5
3.5
3.0
2.5
2.5
2.0
3600
bhp
1.11
1.17
1.25
1.33
1.40
1.47
1.53
1.60
1.66
1.73
1.80
1.89
1.97
2.05
2.12
2.20
2.27
2.35
2.42
2.51
2.59
Sheave/Motor
B
B
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
C
rpm
676
704
732
760
784
812
836
860
884
908
928
952
976
996
1016 1036 1056 1076 1096 1116 1132
Turns Open
3.0
2.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
4.5
4.0
4.0
3.5
3.0
3.0
2.5
2.0
2.0
3700
bhp
1.22
1.28
1.35
1.40
1.46
1.54
1.62
1.70
1.77
1.85
1.94
2.00
2.09
2.17
2.24
2.31
2.38
2.46
2.52
2.62
2.72
Sheave/Motor
B
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
C
C
rpm
692
720
748
772
800
824
848
872
892
916
940
960
984
1008 1028 1048 1068 1088 1104 1124 1144
Turns Open
2.5
6.0
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
5.0
4.5
4.0
3.5
3.5
3.0
2.5
2.5
2.0
1.5
3800
bhp
1.28
1.35
1.43
1.51
1.58
1.66
1.73
1.81
1.87
1.96
2.04
2.10
2.19
2.26
2.34
2.42
2.50
2.58
2.66
2.75
2.84
Sheave/Motor
B
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
C
C
rpm
708
732
760
788
812
836
860
884
904
928
952
972
996
1016 1036 1056 1076 1096 1112 1132 1152
Turns Open
2.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
4.5
4.0
4.0
3.5
3.0
3.0
2.5
2.0
2.0
1.5
3900
bhp
1.39
1.46
1.53
1.60
1.68
1.76
1.83
1.91
2.00
2.08
2.16
2.24
2.32
2.40
2.48
2.56
2.64
2.72
2.81
2.88
3.00
Sheave/Motor
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
C
C
E
rpm
720
748
772
800
824
848
868
892
916
940
960
984
1004 1024 1044 1064 1084 1104 1124 1140 1160
Turns Open
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
5.0
4.5
4.0
3.5
3.5
3.0
2.5
2.5
2.0
2.0
1.5
4000
bhp
1.47
1.54
1.62
1.70
1.78
1.86
1.95
2.01
2.10
2.17
2.26
2.33
2.41
2.50
2.59
2.68
2.76
2.85
2.93
3.00
3.07
Sheave/Motor
A
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
C
E
E
rpm
736
760
788
812
836
860
884
904
928
948
972
992
1012 1032 1052 1072 1092 1112 1132 1148 1168
Turns Open
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
4.5
4.5
4.0
3.5
3.5
3.0
2.5
2.0
2.0
1.5
1.5
4100
bhp
1.56
1.66
1.74
1.82
1.89
1.97
2.03
2.12
2.20
2.29
2.36
2.46
2.53
2.62
2.72
2.81
2.90
3.00
3.06
3.12
3.20
Sheave/Motor
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
C
C
E
E
E
E
rpm
748
776
800
824
848
872
892
916
936
960
980
1004 1020 1040 1060 1080 1100 1120 1140 1156 1176
Turns Open
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
5.0
4.5
4.0
4.0
3.5
3.0
3.0
2.5
2.0
2.0
1.5
1.0
4200
bhp
1.64
1.72
1.81
1.90
1.97
2.06
2.15
2.23
2.31
2.38
2.46
2.56
2.66
2.76
2.86
3.00
3.03
3.11
3.18
3.26
3.34
Sheave/Motor
A
A
A
A
A
A
A
A
A
C
C
C
C
C
C
E
E
E
E
E
E
rpm
764
788
812
836
856
880
904
924
948
968
988
1012 1032 1052 1072 1088 1108 1128 1144 1164 1184
Turns Open
0.66
0.71
0.76
0.81
0.86
0.94
1.02
1.1
1.17
1.22
1.27
1.32
1.39
1.48
1.56
1.65
1.74
1.78
1.83
1.86
1.91
bhp —
Brake Horsepower
ESP —
External Static Pressure
