DFOS-103 - page 20

20000 1449 836 24.7
25000 1812 863 28.2 931 34.9 995 42.0 1057 49.6
30000 2174 905 33.3 966 40.0 1025 47.3 1082 55.0 1190 71.9
35000 2536 957 39.7 1012 46.8 1066 54.3 1118 62.2 1219 79.3 1315 98.0 1406 118.2 1493 139.6
40000 2899 1016 47.5 1067 55.1 1116 63.0 1164 71.2 1257 88.7 1347 107.7 1433 128.1 1516 150.0
45000 3261 1080 56.7 1128 64.9 1174 73.3 1218 82.0 1305 100.3 1388 119.7 1468 140.4
50000 3623 1148 67.2 1192 76.2 1236 85.3 1278 94.5 1359 113.7 1436 133.9 1512 155.2
55000 3986 1218 79.1 1260 88.9 1301 98.8 1341 108.8 1417 129.1 1491 150.3
60000 4348 1292 92.5 1331 103.2 1370 113.9 1407 124.7 1480 146.5
65000 4710 1366 107.6 1404 119.2 1441 130.8 1476 142.4
70000 5072 1443 124.4 1479 136.8 1513 149.3
75000 5435 1521 143.3
10000 725 241 0.6 291 1.1 337 1.7 379 2.3
15000 1087 313 1.3 352 1.9 387 2.6 421 3.4 483 5.0 541 6.9 595 9.0
20000 1449 392 2.3 424 3.2 453 4.1 481 5.0 533 6.9 582 8.9 629 11.1 673 13.5 716 16.0 758 18.7
25000 1812 474 4.0 501 5.1 527 6.2 551 7.3 596 9.5 639 11.8 679 14.2 718 16.7 756 19.4 793 22.2
30000 2174 558 6.3 582 7.6 604 8.9 625 10.2 666 12.9 704 15.6 740 18.3 775 21.1 809 24.0 841 27.0
35000 2536 644 9.5 664 11.0 684 12.5 703 14.0 739 17.1 774 20.2 807 23.4 838 26.5 869 29.7 899 32.9
40000 2899 730 13.7 748 15.4 766 17.1 783 18.8 816 22.3 847 25.8 878 29.4 907 33.0 935 36.5 963 40.2
45000 3261 817 19.0 833 20.9 849 22.8 865 24.7 895 28.6 924 32.5 952 36.5 979 40.5 1005 44.6 1030 48.6
50000 3623 904 25.6 919 27.7 934 29.8 948 31.9 976 36.2 1002 40.5 1028 44.9 1053 49.3 1078 53.8 1101 58.2
55000 3986 991 33.6 1005 35.9 1019 38.2 1032 40.5 1058 45.2 1082 49.9 1106 54.7 1130 59.5 1153 64.4 1175 69.3
60000 4348 1079 43.2 1092 45.6 1104 48.1 1116 50.6 1140 55.7 1164 60.8 1186 66.0 1208 71.2 1230 76.5 1251 81.8
65000 4710 1167 54.4 1179 57.1 1190 59.8 1202 62.5 1224 68.0 1246 73.5 1267 79.1 1288 84.7 1308 90.3 1328 96.1
70000 5072 1255 67.5 1266 70.4 1277 73.3 1287 76.2 1308 82.1 1329 88.0 1349 93.9 1368 100.0 1388 106.0 1406 112.1
75000 5435 1343 82.6 1353 85.7 1363 88.8 1373 91.9 1393 98.1 1412 104.4 1431 110.8 1450 117.2 1468 123.7 1486 130.2
80000 5797 1431 99.8 1441 103.1 1450 106.4 1460 109.7 1478 116.3 1497 123.0 1515 129.8 1532 136.6
85000 6159 1519 119.2 1529 122.7
20000 1449 779 19.4 846 23.9 908 28.6
25000 1812 815 24.0 873 28.6 929 33.6 984 38.9 1089 50.3
30000 2174 865 30.4 918 35.3 969 40.5 1017 45.9 1111 57.5 1203 70.4 1290 84.1 1372 98.2
35000 2536 923 38.0 971 43.7 1018 49.3 1064 55.1 1150 67.2 1232 80.2 1311 94.2 1390 109.2 1466 125.0
40000 2899 989 46.6 1032 53.2 1075 59.8 1117 66.2 1198 79.3 1275 92.8 1348 107.1 1419 122.2 1489 138.2
45000 3261 1060 56.5 1100 63.9 1139 71.4 1177 78.8 1252 93.4 1325 108.0 1395 123.0 1461 138.6 1526 154.8
50000 3623 1132 67.8 1171 76.0 1207 84.3 1243 92.6 1312 109.1 1379 125.3 1446 141.5 1510 158.0
55000 3986 1206 80.8 1244 89.8 1279 98.8 1313 107.9 1377 126.2 1440 144.3 1501 162.2
60000 4348 1283 95.7 1318 105.4 1352 115.2 1385 125.0 1446 144.9 1505 164.8
65000 4710 1361 112.9 1394 123.1 1426 133.5 1458 144.1 1518 165.5
70000 5072 1441 132.5 1472 143.2 1502 154.2 1533 165.4
75000 5435 1523 154.8
10000 725 236 0.6 279 1.0 319 1.5 355 1.9 423 3.0
15000 1087 312 1.4 346 2.0 376 2.6 405 3.2 459 4.4 509 5.7 555 7.2 601 8.8 645 10.5 686 12.3
20000 1449 395 2.6 422 3.4 448 4.2 472 5.0 516 6.7 558 8.3 599 9.9 638 11.6 674 13.4 710 15.3
25000 1812 482 4.7 503 5.5 524 6.5 546 7.5 585 9.5 621 11.6 656 13.6 690 15.7 723 17.7 755 19.7
30000 2174 571 7.6 589 8.6 606 9.7 624 10.8 659 13.2 692 15.6 723 18.1 753 20.6 781 23.1 810 25.5
35000 2536 661 11.7 676 12.9 691 14.1 706 15.3 736 17.9 766 20.7 795 23.5 823 26.4 849 29.3 874 32.2
40000 2899 752 17.1 765 18.4 778 19.7 790 21.1 817 23.9 843 27.0 870 30.1 896 33.4 921 36.7 944 40.0
45000 3261 843 24.0 854 25.4 866 26.9 877 28.4 900 31.5 923 34.8 947 38.2 971 41.7 994 45.4 1017 49.0
50000 3623 934 32.5 944 34.1 955 35.8 965 37.4 986 40.8 1006 44.3 1027 47.9 1049 51.7 1070 55.6 1091 59.6
55000 3986 1025 42.9 1035 44.7 1044 46.5 1054 48.2 1072 51.9 1091 55.7 1110 59.6 1129 63.6 1149 67.7 1168 72.0
60000 4348 1117 55.4 1126 57.3 1134 59.2 1143 61.2 1160 65.1 1177 69.1 1194 73.3 1212 77.5 1229 81.9 1247 86.4
65000 4710 1209 70.1 1217 72.1 1225 74.2 1232 76.3 1248 80.5 1264 84.8 1280 89.3 1296 93.8 1312 98.4 1328 103.1
70000 5072 1300 87.2 1308 89.4 1315 91.6 1323 93.8 1337 98.4 1352 103.0 1367 107.7 1381 112.5 1396 117.3 1411 122.3
75000 5435 1392 106.9 1399 109.2 1406 111.6 1413 114.0 1427 118.8 1440 123.7 1454 128.7 1468 133.8 1482 138.9 1496 144.1
80000 5797 1484 129.4 1491 131.8 1497 134.4 1504 137.0 1517 142.1 1529 147.3
OV 1/4" SP
1/2" SP
3/4" SP
1" SP
1-1/2" SP
2" SP
2-1/2" SP
3" SP
3-1/2" SP
4" SP
CFM FPM RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
OV 1/4" SP
1/2" SP
3/4" SP
1" SP
1-1/2" SP
2" SP
2-1/2" SP
3" SP
3-1/2" SP
4" SP
CFM FPM RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
OV
5" SP
6" SP
7" SP
8" SP
10" SP
12" SP
14" SP
16" SP
18" SP
20" SP
CFM FPM RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
OV
5" SP
6" SP
7" SP
8" SP
10" SP
12" SP
14" SP
16" SP
18" SP
20" SP
490
CHICAGOBLOWER
SINGLEWIDTH AIRFOIL
CLASS I
939 RPM
CLASS II
1224RPM
CLASS III
1535RPM
48 In.Wheel Diameter
13.80 Sq. Ft. Outlet Area
PeakBHP = 48.374 (RPM÷1000)
3
TipSpeed (fpm) = 12.57 xRPM
SIZE
490RA
CHICAGOBLOWER
SINGLEWIDTH AIRFOIL
CLASS I
939 RPM
CLASS II
1224RPM
CLASS III
1535RPM
48 In.Wheel Diameter
13.80Sq. Ft. Outlet Area
PeakBHP = 45.287 (RPM÷1000)
3
TipSpeed (fpm) = 12.57 xRPM
SIZE
CFM FPM RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
20
Performance shown is for installation typeB - Free inlet, Ducted outlet.
Power ratings (BHP) do not include drive losses.
Performance ratings do not include the effects of appurtenances in the air stream.
1...,10,11,12,13,14,15,16,17,18,19 21,22,23,24,25,26,27,28,29,30,...32
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