Centrifugal Fan Class IV - Greenheck Fan Corporation - Building ...

44 BISW
Performance Data
Wheel Diameter = 44 1/2 in.
Outlet Area = 11.39 ft 2
Tip Speed = 11.65 x RPM
Maximum BHP = (RPM/276) 3
For belt driven applications over 250 Hp,
consult factory
Pressure Class Limits
Class Max. RPM
III 1392
IV 1675
Static Pressure in Inches
CFM OV 10 11 12 13 14 15 16 17 18
20
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
37700 3309 1198 77.3 1236 84.1 1274 90.9 1311 97.9 1346 105 1389 113 1429 121 1468 130 1505 138
39900 3503 1219 82.9 1259 90.0 1297 97.2 1332 105 1367 112 1401 119 1438 127 1477 136 1514 144 1586 162
42100 3696 1244 89.1 1281 96.3 1318 104 1355 111 1389 119 1422 127 1455 134 1487 142 1523 151 1595 169
44300 3889 1270 95.6 1306 103 1341 111 1376 119 1411 126 1444 134 1476 142 1508 150 1538 159 1603 176
46500 4082 1295 102 1331 110 1366 118 1399 126 1433 134 1466 142 1497 151 1529 159 1559 168 1618 184
48700 4275 1322 110 1357 118 1391 126 1424 134 1456 143 1488 151 1520 160 1551 168 1580 177 1639 194
50900 4468 1348 117 1383 126 1417 134 1449 143 1481 151 1512 160 1542 169 1573 178 1603 187
53100 4661 1376 125 1410 134 1443 143 1475 152 1507 161 1537 169 1567 178 1595 188 1624 197
55300 4855 1405 133 1437 142 1470 152 1501 161 1532 170 1562 179 1592 189 1620 198 1648 207
57500 5048 1435 141 1466 151 1496 161 1528 170 1558 180 1588 190 1617 199 1645 209
59700 5241 1465 150 1496 160 1525 170 1555 180 1585 190 1614 200 1643 210
61900 5434 1498 160 1525 170 1555 180 1584 191 1612 201 1641 211
Performance shown is for model BISW arrangement 1, installation Type B - free inlet, ducted outlet.
Performance ratings do not include the effects of appurtenances in the airstream.
Power rating (BHP) does not include drive losses.
Sound Power [dB Ref 10 -12 watts]
INLET SOUND POWER, Lwi
RPM % WOV 1 2 3 4 5 6 7 8 LwiA
1000 100 106 111 104 98 96 95 88 82 103
80 101 109 99 94 92 89 83 79 99
60 99 106 96 90 90 87 85 82 96
50 101 107 96 89 89 87 85 83 96
40 109 109 100 92 90 88 86 83 99
1392 100 112 117 117 108 104 103 98 92 112
80 107 114 114 103 100 98 93 88 109
60 104 111 110 100 97 96 93 90 106
50 106 112 111 99 96 95 93 91 106
40 115 117 114 103 98 96 94 92 109
1675 100 115 121 120 114 109 107 104 97 117
80 110 117 117 110 105 103 99 94 113
60 107 114 114 107 102 100 98 95 110
50 110 116 114 106 101 99 98 96 110
40 118 121 117 110 103 101 99 96 113
% WOV = (CFM x 100) / (RPM x 51.4)
OUTLET SOUND POWER, Lwo
RPM % WOV 1 2 3 4 5 6 7 8 LwoA
1000 100 113 115 107 103 100 98 92 85 107
80 110 112 102 99 96 92 87 81 102
60 105 110 100 96 92 89 85 81 100
50 106 109 99 95 91 88 85 82 99
40 107 108 98 94 90 87 85 82 98
1392 100 119 121 119 112 109 107 102 96 116
80 116 118 115 108 104 101 96 91 112
60 111 115 114 105 101 98 94 90 109
50 112 115 113 104 100 96 94 90 108
40 113 115 112 103 99 95 93 90 107
1675 100 123 125 123 118 114 111 108 102 121
80 119 122 119 114 109 106 102 96 116
60 114 118 117 111 106 103 99 95 114
50 115 118 116 111 105 101 98 95 113
40 116 118 115 110 104 100 98 95 112
The sound power level ratings shown are in decibels, referred to 10 -12 watts calculated per AMCA Standard 301. Values shown are for inlet Lwi, LwiA
and outlet Lwo, LwoA sound power levels for installation Type B: free inlet, ducted outlet. Outlet ratings include the effects of duct end correction.
20
1392
GREENHECK
®