—
26
—
Table 14 — Fan Performance 581B048 — Vertical Discharge Units; High-Static Motor (Belt Drive)*
LEGEND
*Motor drive range: 1075 to 1455 rpm. All other rpms require field-
supplied drive.
NOTES:
1.
Boldface
indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
3. See page 33 for general fan performance notes.
Table 15 — Fan Performance 581B060, Single-Phase — Vertical Discharge Units;
Standard Motor (Belt Drive)*
LEGEND
*Motor drive range: 1035 to 1460 rpm. All other rpms require field-
supplied drive.
NOTES:
1.
Boldface
indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.30.
3. See page 33 for general fan performance notes.
AIRFLOW
CFM
EXTERNAL STATIC PRESSURE (in. wg)
0.2
0.4
0.6
0.8
1.0
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
1200
666
0.26
257
778
0.37
367
871
0.47
471
952
0.57
572
1025
0.67
670
1300
701
0.31
306
810
0.43
426
901
0.54
540
981
0.65
651
1053
0.76
760
1400
737
0.36
361
842
0.49
491
931
0.62
616
1010
0.74
738
1081
0.86
856
1500
773
0.42
422
875
0.57
564
963
0.70
699
1040
0.84
831
1110
0.96
960
1600
810
0.49
491
909
0.65
643
994
0.79
790
1070
0.94
932
1140
1.08
1070
1700
847
0.57
567
943
0.73
730
1027
0.89
888
1101
1.05
1040
1170
1.20
1189
1800
885
0.66
652
978
0.83
826
1060
1.00
994
1133
1.16
1157
1200
1.32
1316
1900
923
0.75
745
1014
0.94
930
1093
1.11
1109
1165
1.29
1283
1231
1.46
1453
2000
962
0.85
847
1049
1.05
1043
1127
1.24
1233
1198
1.42
1417
1263
1.61
1598
AIRFLOW
CFM
EXTERNAL STATIC PRESSURE (in. wg)
1.2
1.4
1.6
1.8
2.0
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
1200
1093
0.77
767
1155
0.87
861
1213
0.96
955
1268
1.05
1047
1321
1.14
1137
1300
1119
0.87
866
1181
0.98
970
1239
1.08
1073
1294
1.18
1175
1346
1.28
1275
1400
1147
0.98
972
1208
1.09
1086
1265
1.21
1199
1320
1.32
1310
1371
1.43
1419
1500
1175
1.09
1086
1235
1.22
1209
1292
1.34
1332
1346
1.46
1452
1397
1.58
1572
1600
1204
1.21
1207
1263
1.35
1340
1320
1.48
1472
1373
1.61
1603
1424
1.74
1732
1700
1233
1.34
1336
1292
1.49
1480
1348
1.63
1622
1401
1.77
1762
1451
1.91
1901
1800
1262
1.48
1473
1321
1.64
1627
1376
1.79
1779
1428
1.94
1930
1479
2.09
2078
1900
1293
1.63
1620
1350
1.79
1784
1405
1.96
1946
1457
2.12
2106
1506
2.28
2265
2000
1323
1.79
1776
1380
1.96
1950
1434
2.13
2123
1486
2.31
2293
—
—
—
Bhp
—
Brake Horsepower
Watts
—
Input Watts to Motor
AIRFLOW
CFM
EXTERNAL STATIC PRESSURE (in. wg)
0.2
0.4
0.6
0.8
1.0
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
1500
848
0.42
371
968
0.55
486
1069
0.68
600
1158
0.80
715
1238
0.94
831
1600
887
0.49
433
1004
0.63
556
1103
0.76
678
1190
0.90
800
1269
1.04
922
1700
927
0.57
502
1040
0.71
633
1137
0.86
763
1223
1.00
892
1302
1.15
1022
1800
967
0.65
579
1077
0.81
718
1172
0.96
856
1257
1.12
993
1334
1.27
1130
1900
1007
0.75
663
1115
0.91
811
1208
1.08
957
1291
1.24
1101
—
—
—
2000
1048
0.85
757
1153
1.03
913
1244
1.20
1066
—
—
—
—
—
—
2100
1090
0.97
859
1191
1.15
1023
—
—
—
—
—
—
—
—
—
2200
1131
1.09
970
1230
1.29
1143
—
—
—
—
—
—
—
—
—
2300
1173
1.23
1091
—
—
—
—
—
—
—
—
—
—
—
—
2400
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2500
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
AIRFLOW
CFM
EXTERNAL STATIC PRESSURE (in. wg)
1.2
1.4
1.6
1.8
2.0
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
Rpm
Bhp
Watts
1500
1312
1.07
948
1380
1.20
1067
—
—
—
—
—
—
—
—
—
1600
1342
1.18
1047
—
—
—
—
—
—
—
—
—
—
—
—
1700
1374
1.30
1153
—
—
—
—
—
—
—
—
—
—
—
—
1800
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1900
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2000
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2100
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2200
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2300
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2400
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2500
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Bhp
—
Brake Horsepower
Watts
—
Input Watts to Motor
Summary of Contents for DURAPAC PLUS 581B
Page 8: ...8 Fig 7 Base Unit Dimensions 581B036 072...
Page 51: ......