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41
Table 20 — Fan Performance — 50BVT,U,V064 (cont)
LEGEND
NOTES:
1. Unit is available with the following motor and drive combina-
tions: 7.5, 10, 15, 20 HP standard drive; 7.5, 10, 15, 20 HP
medium-static drive; 7.5, 10, 15, 20 HP high-static drive.
For 7.5 HP standard drives, the drive range is 780 to 960 rpm.
For 10, 15, 20 HP standard and 7.5 HP medium-static drives,
the drive range is 805 to 991 rpm. For 10, 15, 20 HP medium-
static and 7.5 HP high-static drives the drive range is 960 to
1146 rpm. For 10, 15, 20 HP high-static drives the drive range
is 1119 to 1335 rpm.
2.
Italics
indicates field-supplied drive required.
3.
Do not operate in shaded area.
4. Static pressure losses must be applied to external static pres-
sure before entering the fan performance table.
5. Interpolation is permitted, extrapolation is not.
6. Fan performance is based on filter, unit casing and wet coil
losses.
7. Bhp values are
per fan
. Watts values are
per motor
. Unit has
2 supply fans and 2 motors.
AIRFLOW
(cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.2
2.4
2.6
2.8
3.0
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
Watts
Bhp
18,000
912
6,095
7.23
943
6,324
7.59
974
6,629
7.95
1005
6,943
8.33
1035
7,266
8.72
19,000
925
6,690
8.03
955
6,996
8.39
984
7,310
8.77
1013
7,624
9.15
1042
7,955
9.54
20,000
940
7,423
8.91
969
7,746
9.29
997
8,060
9.67
1025
8,253
10.07
1053
8,578
10.46
21,000
955
8,199
9.84
982
8,390
10.23
1010
8,715
10.63
1037
9,041
11.03
1063
9,375
11.44
22,000
971
8,913
10.87
998
9,238
11.27
1024
9,572
11.68
1050
9,915
12.09
1076
10,257
12.51
23,000
988
9,812
11.97
1014
10,155
12.39
1040
10,506
12.82
1065
10,848
13.23
1090
11,207
13.67
24,000
1006
10,771
13.14
1031
11,130
13.58
1056
11,490
14.02
1080
11,849
14.45
1104
12,217
14.90
25,000
1025
11,824
14.42
1050
12,191
14.87
1074
12,568
15.33
1097
12,944
15.79
1121
13,320
16.25
26,000
1045
12,936
15.78
1069
13,320
16.25
1092
13,714
16.73
1115
14,098
17.20
1138
14,492
17.68
27,000
1065
14,124
17.23
1088
14,526
17.72
1110
14,927
18.21
1133
15,329
18.70
1155
15,731
19.19
28,000
1086
15,397
18.78
1108
15,816
19.29
1131
16,235
19.80
—
—
—
—
—
—
29,000
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
AIRFLOW
(cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.2
3.4
3.6
3.8
4.0
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
Watts
Bhp
Rpm
Watts
Bhp
18,000
1065
7,606
9.13
1095
7,946
9.53
—
—
—
—
—
—
—
—
—
19,000
1071
8,286
9.94
1100
8,493
10.36
1128
8,835
10.78
1157
9,195
11.22
1185
9,564
11.67
20,000
1081
8,904
10.86
1108
9,247
11.28
1136
9,598
11.71
1163
9,958
12.15
1190
10,326
12.60
21,000
1090
9,718
11.85
1116
10,060
12.27
1143
10,411
12.70
1169
10,771
13.14
1195
11,139
13.59
22,000
1102
10,608
12.94
1127
10,959
13.37
1153
11,319
13.81
1178
11,678
14.25
1203
12,046
14.69
23,000
1115
11,558
14.10
1139
11,918
14.54
1164
12,286
14.99
1188
12,653
15.43
1212
13,038
15.90
24,000
1128
12,585
15.35
1152
12,953
15.80
1176
13,329
16.26
1200
13,705
16.72
1223
14,090
17.19
25,000
1144
13,697
16.71
1167
14,073
17.17
1190
14,457
17.64
1213
14,850
18.12
1236
15,235
18.58
26,000
1160
14,876
18.15
1183
15,269
18.63
1205
15,662
19.11
1227
16,064
19.60
—
—
—
27,000
1177
16,132
19.68
—
—
—
—
—
—
—
—
—
—
—
—
28,000
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
29,000
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Bhp
—
Brake Horsepower Input to Supply Fan
Watts —
Input Power to Supply Fan Motor