35
FAN PERFORMANCE BELT DRIVE (cont.)
TABLE 23 – 581J*06----3 PHASE----5 TON HORIZONTAL SUPPLY
CFM
Available External Static Pressure (in. wg)
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
1500 798 0.41 906 0.55 1002 0.71 1088 0.87 1167 1.05 1241 1.23 1310 1.42 1375 1.63 1438 1.84 1497 2.06
1625 845 0.50 949 0.65 1041 0.81 1125 0.98 1202 1.17 1274 1.36 1342 1.56 1406 1.77 1467 1.98 1526 2.21
1750 893 0.60 993 0.76 1081 0.93 1163 1.11 1238 1.30 1308 1.50 1375 1.70 1438 1.92 1498 2.14 1555 2.37
1875 942 0.71 1037 0.88 1123 1.06 1202 1.25 1275 1.44 1344 1.65 1409 1.86 1471 2.09 1530 2.32 1586 2.55
2000 992 0.84 1083 1.02 1166 1.21 1242 1.40 1313 1.61 1380 1.82 1444 2.04 1505 2.27 1563 2.51 1619 2.75
2125 1043 0.98 1129 1.17 1209 1.37 1283 1.57 1353 1.79 1418 2.01 1481 2.24 1540 2.47 1597 2.72 1652 2.97
2250 1093 1.14 1177 1.34 1254 1.55 1325 1.76 1393 1.98 1457 2.21 1518 2.45 1576 2.69 1632 2.94 1686 3.20
2375 1145 1.32 1225 1.53 1299 1.74 1369 1.97 1434 2.20 1497 2.43 1556 2.68 1614 2.93 1669 3.19 --- ---
2500 1196 1.51 1273 1.73 1345 1.96 1413 2.19 1477 2.43 1538 2.68 1596 2.93 1652 3.19 --- --- --- ---
NOTE: For more information, see General Fan Performance Notes.
Boldface indicates field---supplied drive is required.
* Medium static 1035---1466 RPM, 2.4 BHP
* High static 1303 --- 1687 RPM, 2.9 BHP max
TABLE 24 – 581J*06----3 PHASE----5 TON VERTICAL SUPPLY
CFM
Available External Static Pressure (in. wg)
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
1500 847 0.41 966 0.55 1067 0.68 1158 0.81 1240 0.93 1316 1.05 1387 1.17 1454 1.28 1517 1.39 1578 1.50
1625 896 0.50 1010 0.65 1109 0.79 1198 0.93 1278 1.07 1353 1.20 1423 1.33 1489 1.46 1552 1.58 1611 1.70
1750 947 0.59 1056 0.76 1152 0.92 1238 1.07 1318 1.22 1391 1.36 1460 1.51 1525 1.65 1587 1.78 1646 1.91
1875 998 0.70 1103 0.88 1196 1.05 1280 1.22 1358 1.38 1430 1.54 1498 1.70 1562 1.85 1623 2.00 1681 2.14
2000 1049 0.82 1151 1.02 1241 1.20 1323 1.38 1399 1.56 1470 1.73 1537 1.90 1600 2.06 1660 2.23 1718 2.38
2125 1102 0.96 1199 1.17 1287 1.37 1367 1.56 1441 1.75 1511 1.93 1576 2.12 1639 2.29 1698 2.47 1755 2.64
2250 1154 1.11 1248 1.33 1333 1.55 1411 1.75 1484 1.96 1552 2.15 1617 2.35 1678 2.54 1737 2.73 1793 2.92
2375 1208 1.28 1298 1.52 1381 1.74 1457 1.96 1528 2.18 1595 2.39 1658 2.60 1718 2.80 1776 3.01 --- ---
2500 1261 1.47 1349 1.72 1429 1.96 1503 2.19 1572 2.42 1638 2.64 1700 2.87 1760 3.08 --- --- --- ---
NOTE: For more information, see General Fan Performance Notes.
Boldface indicates field---supplied drive is required.
* Medium static 1035---1466 RPM, 2.4 BHP
* High static 1303 --- 1687 RPM, 2.9 BHP max
581J
