QEI-27 Class II
Performance Data
Maximum Fan RPM |
| 1847 | ||
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Specification Data |
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Maximum Motor |
| 286T | ||
Frame Size |
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Minimum Motor | 11⁄2 hp |
| 1.1 kW | |
Starting hp |
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Wheel Diameter | 33 in. |
| 838 mm | |
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Approximate Weight | 670 lbs. | 304 kg. | ||
(Less Motor & Drives) | ||||
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Maximum Bhp = (Fan RPM / 630)3 |
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Outlet Velocity (FPM) = CFM / 7.54 |
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Tip Speed (FPM) = Fan RPM x 8.64 |
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%WOV = (CFM x 100) / (Fan RPM x 12.9) Imperial data — Metric data
100)x
Static (PaPressure
20
15
10
5
0
PressureStatic wg).(in
10 9 8 7 6 5 4 3 2 1
0 0
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| 25 |
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| 20 |
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| 60% WOV | BHP |
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| % WOV |
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15 |
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| Density | 0.075 lb/ft |
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| Density 1.2 kg/m |
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| 70% WOV |
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| 80% WOV |
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7½ |
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| S | Y |
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| 1708 |
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| T | H | I |
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| 1552 |
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5 |
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| F | T |
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| L E |
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| 1356 |
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| 90% WOV | |||||
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| T | H | E |
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| 1232 |
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| 1077 |
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2 |
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| E |
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| 794 |
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2 | 4 |
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| 10 | 12 | 14 | 16 | 18 | 20 | 22 |
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| Volume (cfm x 1000) |
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| 20 |
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Performance Data
Volume
(m
3/hr
x 1000)
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| STATIC PRESSURE (inches wg) |
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CFM | OV | 0.5 |
| 1 |
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| 2 | 3 |
| 4 |
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| 6 |
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| RPM |
| BHP | RPM |
| BHP | RPM |
| BHP | RPM |
| BHP | RPM |
| BHP | RPM |
| BHP | RPM |
| BHP | RPM |
| BHP | RPM |
| BHP |
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8300 | 1100 | 727 |
| 1.21 | 807 |
| 1.89 | 967 |
| 3.57 | 1119 |
| 5.59 | 1265 |
| 7.80 |
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9100 | 1206 | 782 |
| 1.45 | 854 |
| 2.16 | 1002 |
| 3.91 | 1147 |
| 5.98 | 1281 |
| 8.29 | 1410 |
| 10.8 |
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9900 | 1312 | 839 |
| 1.73 | 906 |
| 2.49 | 1038 |
| 4.28 | 1175 |
| 6.41 | 1303 |
| 8.81 | 1427 |
| 11.4 | 1543 |
| 14.1 |
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10700 | 1419 | 896 |
| 2.05 | 959 |
| 2.87 | 1082 |
| 4.71 | 1207 |
| 6.89 | 1331 |
| 9.34 | 1444 |
| 12.0 | 1560 |
| 14.8 | 1667 |
| 17.8 |
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11500 | 1525 | 953 |
| 2.41 | 1012 |
| 3.28 | 1128 |
| 5.19 | 1243 |
| 7.42 | 1359 |
| 9.91 | 1472 |
| 12.7 | 1576 |
| 15.6 | 1684 |
| 18.6 | 1783 |
| 21.8 |
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12300 | 1631 | 1011 |
| 2.82 | 1067 |
| 3.75 | 1174 |
| 5.71 | 1280 |
| 7.99 | 1392 |
| 10.6 | 1500 |
| 13.4 | 1602 |
| 16.4 | 1700 |
| 19.5 | 1800 |
| 22.7 |
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13100 | 1737 | 1070 |
| 3.28 | 1123 |
| 4.26 | 1223 |
| 6.30 | 1325 |
| 8.65 | 1428 |
| 11.3 | 1529 |
| 14.1 | 1630 |
| 17.2 | 1723 |
| 20.4 | 1816 |
| 23.8 |
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13900 | 1843 | 1130 |
| 3.78 | 1179 |
| 4.82 | 1275 |
| 6.97 | 1371 |
| 9.36 | 1464 |
| 12.0 | 1563 |
| 14.9 | 1658 |
| 18.0 | 1752 |
| 21.3 | 1839 |
| 24.8 |
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14700 | 1949 | 1189 |
| 4.35 | 1236 |
| 5.44 | 1327 |
| 7.69 | 1417 |
| 10.1 | 1506 |
| 12.8 | 1599 |
| 15.8 | 1688 |
| 18.9 | 1780 |
| 22.3 |
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15500 | 2055 | 1249 |
| 4.97 | 1293 |
| 6.12 | 1380 |
| 8.48 | 1464 |
| 11.0 | 1551 |
| 13.8 | 1635 |
| 16.7 | 1724 |
| 20.0 | 1809 |
| 23.3 |
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16300 | 2161 | 1309 |
| 5.65 | 1351 |
| 6.86 | 1434 |
| 9.33 | 1515 |
| 11.9 | 1597 |
| 14.7 | 1676 |
| 17.8 | 1760 |
| 21.0 | 1843 |
| 24.5 |
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17100 | 2267 | 1370 |
| 6.39 | 1409 |
| 7.67 | 1488 |
| 10.2 | 1566 |
| 12.9 | 1644 |
| 15.8 | 1721 |
| 18.9 | 1797 |
| 22.2 |
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Shaded values show where Class I fan selections are more efficient than Class II.
| Inlet Sound Power, LWi | [dB ref |
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RPM | % WOV | 1 | 2 | 3 |
| 4 | 5 | 6 | 7 | 8 | LWiA |
| 100 | 81 | 72 | 67 |
| 64 | 68 | 62 | 50 | 43 | 71 |
550 | 80 | 79 | 71 | 64 |
| 62 | 62 | 58 | 50 | 44 | 67 |
60 | 76 | 68 | 62 |
| 61 | 62 | 59 | 51 | 45 | 66 | |
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| 50 | 74 | 68 | 63 |
| 61 | 62 | 59 | 51 | 45 | 66 |
| 100 | 73 | 80 | 75 |
| 72 | 71 | 77 | 58 | 53 | 79 |
750 | 80 | 65 | 73 | 71 |
| 68 | 68 | 62 | 56 | 49 | 72 |
60 | 67 | 70 | 70 |
| 65 | 67 | 62 | 56 | 50 | 71 | |
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| 50 | 68 | 71 | 69 |
| 65 | 67 | 62 | 56 | 51 | 70 |
| 100 | 78 | 90 | 84 |
| 83 | 81 | 83 | 78 | 65 | 88 |
1100 | 80 | 74 | 89 | 80 |
| 79 | 78 | 73 | 67 | 61 | 82 |
60 | 74 | 84 | 76 |
| 75 | 77 | 72 | 67 | 62 | 80 | |
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| 50 | 78 | 83 | 77 |
| 74 | 76 | 71 | 67 | 63 | 80 |
| 100 | 83 | 86 | 95 |
| 91 | 89 | 86 | 89 | 75 | 95 |
1500 | 80 | 78 | 80 | 91 |
| 87 | 85 | 80 | 76 | 70 | 89 |
60 | 80 | 80 | 87 |
| 83 | 82 | 79 | 75 | 71 | 87 | |
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| 50 | 83 | 83 | 86 |
| 83 | 81 | 78 | 75 | 72 | 86 |
| 100 | 85 | 90 | 97 |
| 97 | 96 | 92 | 94 | 84 | 101 |
1847 | 80 | 82 | 83 | 91 |
| 92 | 92 | 87 | 84 | 77 | 96 |
60 | 89 | 86 | 90 |
| 89 | 89 | 85 | 82 | 78 | 93 | |
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| 50 | 89 | 89 | 91 |
| 89 | 88 | 84 | 81 | 78 | 92 |
Outlet Sound Power, LWo [dB ref
RPM | % WOV | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | LWoA | |
| 100 | 83 | 74 | 70 | 71 | 68 | 64 | 55 | 45 | 73 | |
550 | 80 | 82 | 72 | 67 | 70 | 66 | 62 | 56 | 45 | 71 | |
60 | 79 | 69 | 65 | 68 | 65 | 62 | 56 | 45 | 70 | ||
| |||||||||||
| 50 | 79 | 70 | 65 | 67 | 65 | 62 | 56 | 45 | 70 | |
| 100 | 79 | 81 | 78 | 79 | 74 | 75 | 62 | 55 | 81 | |
750 | 80 | 76 | 76 | 75 | 77 | 72 | 67 | 61 | 53 | 77 | |
60 | 75 | 73 | 72 | 74 | 71 | 66 | 61 | 52 | 75 | ||
| |||||||||||
| 50 | 77 | 75 | 71 | 73 | 70 | 66 | 61 | 53 | 75 | |
| 100 | 85 | 92 | 88 | 89 | 84 | 84 | 78 | 67 | 91 | |
1100 | 80 | 81 | 84 | 84 | 86 | 82 | 77 | 69 | 62 | 87 | |
60 | 83 | 82 | 81 | 83 | 79 | 75 | 68 | 63 | 84 | ||
| |||||||||||
| 50 | 84 | 84 | 81 | 82 | 79 | 74 | 68 | 64 | 84 | |
| 100 | 90 | 91 | 96 | 96 | 92 | 89 | 90 | 77 | 98 | |
1500 | 80 | 85 | 86 | 91 | 94 | 89 | 85 | 79 | 72 | 95 | |
60 | 89 | 88 | 88 | 91 | 87 | 82 | 77 | 72 | 92 | ||
| |||||||||||
| 50 | 91 | 90 | 90 | 90 | 86 | 82 | 77 | 73 | 91 | |
| 100 | 96 | 95 | 100 | 101 | 99 | 94 | 94 | 86 | 103 | |
1847 | 80 | 91 | 90 | 98 | 98 | 96 | 91 | 86 | 79 | 100 | |
60 | 97 | 94 | 94 | 95 | 93 | 88 | 83 | 79 | 97 | ||
| |||||||||||
| 50 | 97 | 96 | 96 | 95 | 92 | 88 | 83 | 79 | 97 |
Performance certified is for installation type B: Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not include the effects of appurtenances (accessories).
The sound power level ratings shown are in decibels, referred to
35