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APPENDIX III. FAN PERFORMANCE (cont.)
Table 26 – 581J*D24
CFM
0.2
RPM
BHP
6000
615
1.25
6500
653
1.52
7000
692
1.85
7500
731
2.21
8000
771
2.63
8500
812
3.10
9000
852
3.62
9500
893
4.20
10000
934
4.85
1.2
CFM
RPM
BHP
6000
928
2.92
6500
955
3.31
7000
983
3.75
7500
1011
4.23
8000
1041
4.77
8500
1072
5.35
9000
1104
6.00
9500
1136
6.70
10000
1169
7.47
Boldface indicates alternate standard static drive package required.
Medium Static Motor and Drive - 835-1021 RPM; Max BHP 6.5 / 6.9 / 7.0 / 8.3; Voltage 208 / 230 / 460 / 575V
Std Static Motor and Drive - 690-863 RPM; Max BHP 6.5 / 6.9 / 7.0 / 8.3; Voltage 208 / 230 / 460 / 575V
High Static Motor and Drive - 941-1176 RPM; Max BHP 10.5 / 11.9 / 11.9 / 11.0; Voltage 208 / 230 / 460 / 575V
- Outside operating range
Table 27 – 581J*D28
CFM
0.2
RPM
BHP
7500
731
2.21
8150
783
2.76
8750
832
3.35
9400
855
4.08
10000
934
4.85
10650
988
5.78
11250
1038
6.74
11900
1093
7.91
12500
1144
9.10
CFM
1.2
RPM
BHP
7500
1011
4.23
8150
1050
4.94
8750
1088
5.67
9400
1129
6.56
10000
1169
7.47
10650
-
11250
-
11900
-
12500
-
Boldface indicates alternate standard static drive package required.
Medium Static Motor and Drive - 913-1116 RPM; Max BHP 6.5 / 6.9 / 7.0 / 8.3; Voltage 208 / 230 / 460 / 575V
Std Static Motor and Drive - 717-911 RPM, Max BHP 4.9
High Static Motor and Drive - 941-1176 RPM; Max BHP 10.5 / 11.9 / 11.9 / 11.0; Voltage 208 / 230 / 460 / 575V
- Outside operating range
UNDERSCORE - Operation point covered by mid static drive; Confirm Max BHP coverage based on unit voltage selected.
VERTICAL SUPPLY / RETURN
Available External Static Pressure (in. wg)
0.4
RPM
BHP
690
1.56
725
1.87
760
2.21
796
2.60
883
3.04
871
3.54
909
4.09
947
4.69
986
5.36
Available External Static Pressure (in. wg)
1.4
RPM
BHP
978
3.28
1003
3.69
1030
4.15
1058
4.66
1087
5.21
1116
5.82
1147
6.49
1178
7.22
-
-
Italics - requires high static drive package with different motor pulley. All voltages.
VERTICAL SUPPLY / RETURN
Available External Static Pressure (in. wg)
0.4
RPM
BHP
796
2.60
844
3.19
890
3.80
940
4.57
986
5.36
1038
6.33
1086
7.32
1138
8.52
1187
9.74
Available External Static Pressure (in. wg)
1.4
RPM
BHP
1058
4.66
1095
5.39
1131
6.15
1172
7.07
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Italics - requires high static drive package with different motor pulley.
0.6
RPM
BHP
RPM
757
1.89
819
789
2.21
848
822
2.58
879
856
3.00
911
890
3.47
944
926
3.98
977
961
4.55
1011
998
5.19
1046
1035
5.88
1082
1.6
RPM
BHP
RPM
1025
3.65
1071
1050
4.09
1094
1075
4.56
1119
1102
5.09
1145
1130
5.67
1171
1158
6.30
-
1188
6.99
-
-
-
-
-
-
-
0.6
RPM
BHP
RPM
856
3.00
911
901
3.61
954
943
4.26
994
991
5.06
1039
1035
5.88
1082
1084
6.88
1129
1130
7.91
1173
1181
9.14
-
-
-
-
1.6
RPM
BHP
RPM
1102
5.09
1145
1138
5.85
1180
1173
6.64
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
67
20 TON
0.8
1.0
BHP
RPM
2.22
875
2.57
903
2.96
932
3.40
963
3.89
994
4.43
1026
5.03
1059
5.69
1092
6.40
1126
1.8
2.0
BHP
RPM
4.03
1114
4.49
1137
4.98
1161
5.53
1186
6.13
-
-
-
-
-
-
-
-
-
25 TON
0.8
1.0
BHP
RPM
3.40
963
4.05
1003
4.73
1042
5.55
1085
6.40
1126
7.44
1172
8.49
-
-
-
-
-
1.8
2.0
BHP
RPM
5.53
1186
6.32
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
BHP
2.57
2.94
3.35
3.81
4.33
4.89
5.51
6.19
6.93
BHP
4.42
4.89
5.41
5.98
-
-
-
-
-
BHP
3.81
4.49
5.19
6.05
6.93
8.00
-
-
-
BHP
5.98
-
-
-
-
-
-
-
-
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