18
Table 9 — 50RTP10 Blower Performance Data (cont)
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
4300
bhp
1.76
1.84
1.93
2.00
2.08
2.17
2.25
2.34
2.42
2.50
2.60
2.70
2.80
2.90
3.00
3.10
3.16
3.24
3.31
3.39
3.45
Sheave/Motor
A
A
A
A
A
A
A
A
C
C
C
C
C
C
E
E
E
E
E
E
E
rpm
776
800
824
844
868
892
912
936
956
976
1000 1020 1040 1060 1080 1100 1116 1136 1152 1172 1188
Turns Open
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
1.0
4400
bhp
1.86
1.95
2.04
2.12
2.22
2.32
2.4
2.48
2.57
2.65
2.74
2.84
3.00
3.04
3.14
3.23
3.30
3.38
3.44
3.52
3.58
Sheave/Motor
A
A
A
A
A
A
A
A
C
C
C
C
E
E
E
E
E
E
E
E
E
rpm
788
812
836
856
880
904
924
944
968
988
1008 1028 1048 1068 1088 1108 1124 1144 1160 1180 1196
Turns Open
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
2.5
2.0
1.5
1.5
1.0
1.0
4500
bhp
1.96
2.06
2.15
2.23
2.33
2.43
2.52
2.61
2.69
2.78
2.88
3.00
3.08
3.18
3.28
3.35
3.44
3.53
3.61
3.70
—
Sheave/Motor
A
A
A
A
A
A
A
C
C
C
C
E
E
E
E
E
E
E
E
E
—
rpm
800
824
848
868
892
916
936
956
976
996
1016 1036 1056 1076 1096 1112 1132 1152 1168 1188
—
Turns Open
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
1.5
1.0
—
4600
bhp
2.12
2.20
2.30
2.38
2.47
2.56
2.64
2.73
2.83
2.92
3.00
3.10
3.20
3.30
3.40
3.49
3.60
3.68
3.79
3.88
—
Sheave/Motor
A
A
A
A
A
A
A
C
C
C
E
E
E
E
E
E
E
E
E
E
—
rpm
820
840
864
884
908
928
948
968
992
1012 1028 1048 1068 1088 1108 1124 1144 1160 1180 1196
—
Turns Open
3.5
3.0
3.0
2.5
2.0
1.5
1.0
4.5
4.5
4.0
3.5
3.5
3.0
2.5
2.5
2.0
1.5
1.5
1.0
1.0
—
4700
bhp
2.23
2.31
2.40
2.50
2.59
2.68
2.76
2.85
3.00
3.04
3.14
3.24
3.34
3.42
3.53
3.62
3.73
3.84
3.93
—
—
Sheave/Motor
A
A
A
A
A
A
C
C
E
E
E
E
E
E
E
E
E
E
E
—
—
rpm
832
852
876
900
920
940
960
980
1000 1020 1040 1060 1080 1096 1116 1132 1152 1172 1188
—
—
Turns Open
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
1.0
—
—
4800
bhp
2.35
2.46
2.55
2.65
2.73
2.81
2.89
3.00
3.06
3.16
3.26
3.34
3.44
3.55
3.64
3.76
3.86
3.98
4.08
—
—
Sheave/Motor
A
A
A
A
A
C
C
E
E
E
E
E
E
E
E
E
E
E
E
—
—
rpm
844
868
888
912
932
952
972
992
1012 1032 1052 1068 1088 1108 1124 1144 1160 1180 1196
—
—
Turns Open
3.0
2.5
2.0
1.5
1.5
5.0
4.5
4.5
4.0
3.5
3.5
3.0
2.5
2.5
2.0
1.5
1.5
1.0
1.0
—
—
4900
bhp
2.49
2.58
2.68
2.77
2.85
3.00
3.03
3.12
3.22
3.30
3.40
3.50
3.60
3.70
3.82
3.91
4.03
4.13
—
—
—
Sheave/Motor
A
A
A
A
A
E
E
E
E
E
E
E
E
E
E
E
E
E
—
—
—
rpm
860
880
904
924
944
964
984
1004 1024 1040 1060 1080 1100 1116 1136 1152 1172 1188
—
—
—
Turns Open
3.0
2.5
2.0
1.5
1.0
5.0
4.5
4.0
3.5
3.5
3.0
3.0
2.5
2.0
2.0
1.5
1.0
1.0
—
—
—
5000
bhp
2.63
2.72
2.81
2.91
3.00
3.09
3.18
3.28
3.36
3.46
3.56
3.66
3.75
3.87
3.96
4.08
4.18
4.28
—
—
—
Sheave/Motor
A
A
A
A
E
E
E
E
E
E
E
E
E
E
E
E
E
E
—
—
—
rpm
876
896
916
936
956
976
996
1016 1032 1052 1072 1092 1108 1128 1144 1164 1180 1196
—
—
—
Turns Open
2.5
2.0
1.5
1.0
5.0
4.5
4.0
4.0
3.5
3.5
3.0
2.5
2.5
2.0
1.5
1.5
1.0
1.0
—
—
—
bhp —
Brake Horsepower
ESP —
External Static Pressure