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QEI-33 Class II
Performance Data
Maximum Fan RPM | 1522 | ||
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Specification Data |
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Maximum Motor | 324T | ||
Frame Size | |||
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Minimum Motor | 2 hp | 1.5 kW | |
Starting hp | |||
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Wheel Diameter | 40.25 in. | 1022 mm | |
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Approximate Weight | 1200 lbs. | 544 kg. | |
(Less Motor & Drives) | |||
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Maximum Bhp = (Fan RPM / 450)3
Outlet Velocity (FPM) = CFM / 11.27
Tip Speed (FPM) = Fan RPM x 10.5
%WOV = (CFM x 100) / (Fan RPM x 23.5) 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
25 | 30 | 40 | 50% WOV | |
60% WOV | ||||
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15 |
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| S | S |
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| 1397 |
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| F | T | H |
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| 1314 |
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| 1220 | |||
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| 649 |
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| 16 | 20 | 24 | ||||
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| Volume (cfm x 1000) |
RPM |
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BHP |
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% WOV |
| 3 | |
Density 0.075 lb/ft | |||
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Density 1.2 kg/m | 3 |
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70% WOV |
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80% WOV |
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1522 |
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90% WOV |
28 | 32 | 36 |
0 | 10 | 20 | 30 | 40 | 50 | 60 |
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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| RPM |
| BHP | RPM |
| BHP | RPM |
| BHP | RPM |
| BHP | RPM |
| BHP | RPM |
| BHP | RPM |
| BHP | RPM |
| BHP | RPM |
| BHP |
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12500 | 1109 | 599 |
| 1.76 | 668 |
| 2.84 | 797 |
| 5.47 | 923 |
| 8.58 | 1043 |
| 11.9 |
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13900 | 1233 | 652 |
| 2.17 | 714 |
| 3.32 | 833 |
| 6.06 | 948 |
| 9.29 | 1059 |
| 12.8 | 1165 |
| 16.6 |
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15300 | 1357 | 707 |
| 2.64 | 762 |
| 3.87 | 872 |
| 6.71 | 975 |
| 10.0 | 1080 |
| 13.8 | 1181 |
| 17.8 | 1277 |
| 21.9 |
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16700 | 1481 | 762 |
| 3.20 | 812 |
| 4.50 | 915 |
| 7.47 | 1011 |
| 10.9 | 1107 |
| 14.8 | 1200 |
| 18.9 | 1293 |
| 23.3 | 1381 |
| 27.8 |
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18100 | 1606 | 818 |
| 3.84 | 862 |
| 5.22 | 958 |
| 8.30 | 1050 |
| 11.9 | 1136 |
| 15.8 | 1227 |
| 20.1 | 1311 |
| 24.7 | 1398 |
| 29.4 | 1480 |
| 34.3 |
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19500 | 1730 | 874 |
| 4.57 | 916 |
| 6.03 | 1004 |
| 9.26 | 1092 |
| 12.9 | 1174 |
| 17.0 | 1254 |
| 21.4 | 1338 |
| 26.1 | 1415 |
| 31.1 | 1496 |
| 36.1 |
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20900 | 1854 | 931 |
| 5.40 | 971 |
| 6.95 | 1053 |
| 10.3 | 1134 |
| 14.1 | 1212 |
| 18.3 | 1288 |
| 22.8 | 1365 |
| 27.6 | 1442 |
| 32.7 | 1514 |
| 38.0 |
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22300 | 1978 | 988 |
| 6.34 | 1026 |
| 7.98 | 1101 |
| 11.5 | 1178 |
| 15.4 | 1253 |
| 19.7 | 1326 |
| 24.3 | 1395 |
| 29.2 | 1469 |
| 34.4 |
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23700 | 2102 | 1046 |
| 7.38 | 1081 |
| 9.12 | 1151 |
| 12.8 | 1224 |
| 16.8 | 1296 |
| 21.2 | 1365 |
| 25.9 | 1433 |
| 31.0 | 1496 |
| 36.2 |
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25100 | 2227 | 1103 |
| 8.55 | 1137 |
| 10.4 | 1201 |
| 14.2 | 1272 |
| 18.4 | 1340 |
| 22.9 | 1407 |
| 27.7 | 1471 |
| 32.9 |
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26500 | 2351 | 1161 |
| 9.85 | 1193 |
| 11.8 | 1254 |
| 15.8 | 1320 |
| 20.1 | 1384 |
| 24.7 | 1450 |
| 29.7 | 1510 |
| 34.9 |
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27900 | 2475 | 1219 |
| 11.3 | 1249 |
| 13.3 | 1308 |
| 17.5 | 1370 |
| 21.9 | 1432 |
| 26.7 | 1493 |
| 31.7 |
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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 | 83 | 74 | 69 |
| 67 | 71 | 61 | 50 | 44 | 73 |
450 | 80 | 80 | 72 | 66 |
| 66 | 67 | 58 | 48 | 40 | 69 |
60 | 78 | 70 | 63 |
| 64 | 66 | 57 | 48 | 40 | 69 | |
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| 50 | 75 | 69 | 62 |
| 64 | 66 | 56 | 48 | 40 | 68 |
| 100 | 83 | 83 | 77 |
| 75 | 74 | 78 | 59 | 53 | 81 |
600 | 80 | 79 | 80 | 73 |
| 72 | 73 | 65 | 56 | 49 | 76 |
60 | 76 | 77 | 70 |
| 70 | 72 | 64 | 56 | 49 | 75 | |
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| 50 | 76 | 77 | 70 |
| 69 | 72 | 63 | 55 | 49 | 74 |
| 100 | 79 | 93 | 84 |
| 85 | 81 | 87 | 73 | 65 | 90 |
850 | 80 | 75 | 90 | 82 |
| 82 | 79 | 75 | 67 | 60 | 84 |
60 | 74 | 87 | 77 |
| 79 | 77 | 74 | 67 | 61 | 82 | |
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| 50 | 79 | 88 | 78 |
| 77 | 76 | 72 | 65 | 61 | 81 |
| 100 | 85 | 92 | 97 |
| 94 | 90 | 89 | 92 | 76 | 98 |
1200 | 80 | 79 | 89 | 94 |
| 91 | 87 | 83 | 79 | 70 | 93 |
60 | 81 | 86 | 91 |
| 87 | 85 | 81 | 77 | 70 | 90 | |
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| 50 | 83 | 87 | 89 |
| 86 | 84 | 81 | 76 | 71 | 89 |
| 100 | 90 | 94 | 101 |
| 100 | 96 | 94 | 98 | 86 | 104 |
1522 | 80 | 85 | 89 | 97 |
| 98 | 94 | 90 | 87 | 79 | 99 |
60 | 87 | 88 | 93 |
| 94 | 90 | 87 | 84 | 78 | 96 | |
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| 50 | 90 | 91 | 93 |
| 93 | 90 | 87 | 83 | 79 | 95 |
Outlet Sound Power, LWo [dB ref
RPM | % WOV | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | LWoA | |
| 100 | 87 | 77 | 73 | 73 | 74 | 64 | 54 | 47 | 76 | |
450 | 80 | 85 | 77 | 71 | 72 | 72 | 61 | 52 | 45 | 75 | |
60 | 84 | 76 | 69 | 70 | 72 | 60 | 52 | 45 | 74 | ||
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| 50 | 83 | 77 | 68 | 68 | 72 | 59 | 52 | 45 | 74 | |
| 100 | 82 | 82 | 79 | 80 | 76 | 76 | 62 | 54 | 82 | |
600 | 80 | 82 | 82 | 77 | 79 | 75 | 68 | 60 | 51 | 80 | |
60 | 82 | 81 | 75 | 76 | 75 | 67 | 59 | 52 | 78 | ||
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| 50 | 82 | 83 | 74 | 75 | 74 | 65 | 58 | 52 | 77 | |
| 100 | 85 | 89 | 88 | 90 | 83 | 86 | 75 | 66 | 91 | |
850 | 80 | 82 | 87 | 85 | 88 | 81 | 77 | 70 | 61 | 88 | |
60 | 82 | 85 | 82 | 84 | 79 | 75 | 68 | 62 | 85 | ||
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| 50 | 85 | 87 | 82 | 83 | 79 | 74 | 67 | 62 | 84 | |
| 100 | 89 | 92 | 95 | 99 | 93 | 90 | 92 | 78 | 100 | |
1200 | 80 | 87 | 89 | 93 | 97 | 91 | 87 | 82 | 73 | 97 | |
60 | 88 | 89 | 90 | 94 | 88 | 84 | 79 | 72 | 94 | ||
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| 50 | 91 | 92 | 92 | 93 | 87 | 83 | 78 | 73 | 93 | |
| 100 | 94 | 96 | 102 | 104 | 99 | 96 | 98 | 87 | 106 | |
1522 | 80 | 92 | 93 | 98 | 102 | 97 | 93 | 89 | 81 | 103 | |
60 | 94 | 95 | 95 | 99 | 94 | 90 | 86 | 79 | 100 | ||
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| 50 | 96 | 97 | 98 | 99 | 94 | 90 | 85 | 80 | 100 |
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
39