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Table 7 — Fan Performance — 48PGF20 — Vertical Supply/Return Units
LEGEND
Boldface indicates field-supplied motor/drive required.
NOTES:
1. Motor drive ranges:
(A) Low Range: 685-939 rpm, 4.26 bhp (208/230 and 460-v), 751-954 rpm, 5.75 bhp (575-v)
(B) Mid-Low Range: 949-1206 rpm, 5.75 bhp
(C) Mid-High Range: 941-1176 rpm, 8.63 bhp
(D) High Range: 1014-1297 rpm, 11.50 bhp
All other rpms require field-supplied motor or drive.
2. See page 36 for general fan performance notes.
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.20.40.60.81.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
5000 607 1.53 677 1.80 740 2.06 797 2.31 850 2.57
5500 652 1.90 719 2.19 779 2.47 833 2.74 884 3.01
6000 699 2.32 763 2.63 819 2.93 872 3.22 921 3.50
6500 746 2.79 807 3.12 861 3.44 911 3.75 958 4.05
7000 794 3.33 851 3.68 904 4.02 952 4.34 998 4.66
7500 842 3.93 897 4.30 947 4.65 994 5.00 1038 5.33
8000 891 4.59 943 4.98 991 5.35 1036 5.71 1079 6.07
8500 940 5.32 990 5.72 1036 6.11 1080 6.49 1121 6.87
9000 990 6.12 1037 6.54 1082 6.95 1124 7.35 1163 7.73
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.21.41.61.82.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
5000 900 2.82 949 3.06 995 3.31 1040 3.56 1083 3.81
5500 933 3.27 979 3.54 1023 3.80 1066 4.06 1108 4.33
6000 967 3.79 1011 4.07 1054 4.35 1095 4.62 1135 4.90
6500 1003 4.35 1046 4.65 1087 4.94 1127 5.24 1165 5.53
7000 1041 4.98 1082 5.29 1122 5.60 1160 5.91 1197 6.22
7500 1079 5.67 1119 5.99 1158 6.32 1195 6.64 1231 6.96
8000 1119 6.42 1158 6.76 1195 7.10 1231 7.44 1267 7.78
8500 1160 7.23 1198 7.59 1234 7.95 1269 8.30 1303 8.65
9000 1202 8.12 1238 8.49 1273 8.87 1308 9.23 1341 9.60
Bhp — Brake Horsepower Input to Fan
A
A
A
A
A
B
B
B
B
C
C
C
C
C
A
B
B
B
B
C
C
C
C
D
D
D
D
D
B