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Table 21—Fan Performance 551B 060, 551C 060 — Vertical Discharge Units; High-Static Motor
(Belt Drive)*
A
I
R
F
L
O
W
EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW
C
F
M
0.2 0.4 0.6 0.8 1.0
C
F
M
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
1500 790 0.40 353 897 0.53 471 991 0.68 600 1075 0.83 739 1152 1.00 888
1600 828 0.46 412 931 0.60 536 1022 0.75 670 1104 0.92 813 1180 1.09 966
1700 866 0.54 478 966 0.68 608 1054 0.84 747 1134 1.01 895 1208 1.19 1053
1800 905 0.62 551 1001 0.77 687 1087 0.94 832 1165 1.11 985 1238 1.29 1148
1900 944 0.71 633 1037 0.87 774 1120 1.04 925 1197 1.22 1084 1268 1.41 1251
2000 983 0.81 723 1073 0.98 870 1154 1.16 1026 1229 1.34 1190 1299 1.53 1362
2100 1023 0.92 821 1110 1.10 975 1189 1.28 1137 1262 1.47 1306 1330 1.67 1483
2200 1063 1.05 929 1147 1.23 1089 1224 1.41 1256 1295 1.61 1431 1362 1.82 1614
2300 1104 1.18 1046 1185 1.37 1212 1260 1.56 1386 1329 1.76 1567 1395 1.98 1754
2400 1145 1.32 1174 1223 1.52 1346 1296 1.72 1526 1364 1.93 1712 1428 2.15 1905
2500 1185 1.48 1311 1262 1.68 1490 1333 1.89 1676 1399 2.10 1868 1462 2.33 2067
A
I
R
F
L
O
W
EXTERNAL STATIC PRESSURE (in. wg)
AIRFLOW
C
F
M
1.2 1.4 1.6 1.8 2.0
C
F
M
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
1500 1224 1.18 1045 1291 1.36 1212 1354 1.56 1387 1414 1.77 1570 1472 1.98 1761
1600 1250 1.27 1128 1316 1.46 1299 1379 1.66 1478 1438 1.87 1664 1495 2.09 1858
1700 1278 1.37 1219 1343 1.57 1394 1405 1.77 1576 1463 1.99 1766 1520 2.21 1964
1800 1306 1.48 1318 1370 1.69 1497 1431 1.90 1683 1489 2.11 1877 1545 2.34 2078
1900 1335 1.61 1426 1398 1.81 1609 1458 2.03 1799 1515 2.25 1997 1570 2.48 2202
2000 1364 1.74 1542 1427 1.95 1730 1486 2.17 1925 1542 2.39 2126 1596 2.63 2335
2100 1395 1.88 1668 1456 2.09 1860 1514 2.32 2060 1570 2.55 2265 1623 2.79 2478
2200 1426 2.03 1804 1486 2.25 2001 1543 2.48 2204 1598 2.72 2415 — — —
2300 1457 2.19 1949 1516 2.42 2151 1573 2.66 2360 1627 2.90 2574 — — —
2400 1489 2.37 2106 1547 2.60 2312 1603 2.84 2526 — — — — — —
2500 1522 2.56 2272 1579 2.80 2484 — — — — — — — — —
NOTES:
1. Bold cells indicate field-supplied drive is requi red.
2. Maximum continuous bhp is 2.90.
3. See general fan performance notes.
LEGEND
Bhp — Brake Horsepower
Watts — Input Watts to Motor
*Motor drive ran ge: 1300 to 1685 rpm. All other rpms require field-supplied
drive.
551B,C