Plenum | Size 18 | |
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| Plenum Size 18 |
QEP Class I | Maximum rpm 2273 | |||
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QEP Class II | Maximum rpm 2964 | |||
QEP Class III | Maximum rpm | |||
QEM |
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| Maximum rpm | 2668 |
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Note: Model QEM does not utilize class designations.
QEP Motor on Frame Limit | 215T |
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Minimum Motor Size | 1/3 [hp] | ||
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Wheel Diameter | 18.25 | [in.] | |
464 | [mm] | ||
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Peak Power | (rpm / 1291)3 | [hp] | |
(rpm / 1424)3 | [kW] | ||
Wheel Outlet Velocity | cfm / 2.54 | [ft/min] | |
m3/s / 1.50 | [m/s] | ||
Tip Speed | rpm x 4.78 | [ft/min] | |
rpm x 0.0243 | [m/s] | ||
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% Wide Open Volume (%WOV) | cfm / (rpm x 0.0330) | [%] | |
m3/hr / (rpm x 0.0561) | [%] |
Imperial data — Metric data
Static Pressure (Pa x 100)
35
30
25
20
15
10
5
0
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| 25 | rpm |
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| R | V | hp | ||||
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| 70% | % WOV | ||||||
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wg) | 12 |
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| Density 0.075 lb/ft3 | |||
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| Density 1.2 kg/m3 | |||
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(in. | 10 |
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| 80% | ||||
Pressure |
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| 1½ | D |
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| 2 | 1 | 1478 |
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| 0 | 2 | 4 |
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| 8 | 10 | 12 | ||
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Volume (cfm x 1000)
0 | 5 | 10 | 15 | 20 |
Volume (m3/hr x 1000)
STATIC PRESSURE (in. wg)
CFM | OV |
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| 1 |
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| 2 |
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| 3 |
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| 4 |
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| 5 |
| 6 |
| 7 | 8 | 9 | ||||
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| RPM #)1 | RPM #)1 |
| RPM #)1 |
| RPM #)1 |
| RPM #)1 |
| RPM #)1 |
| RPM #)1 | RPM #)1 | RPM #)1 | ||||||||||||
1771 | 1739 2.32 |
| 1906 3.18 |
| 2063 4.07 |
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1968 1699 1.88 | 1860 2.74 |
| 2014 3.68 |
| 2162 |
| 2301 |
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1836 2.32 | 1984 3.23 |
| 2127 4.24 |
| 2266 |
| 2399 6.37 |
| 7.46 |
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6000 | 2362 |
| 1976 |
| 2.84 | 2113 |
| 3.80 |
| 2248 | 4.86 |
| 2376 |
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| 7.16 |
| 2623 8.32 |
| 2739 |
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| 2117 |
| 3.43 | 2247 |
| 4.46 |
| 2371 |
| 2492 6.77 |
| 2611 8.00 |
| 9.27 |
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| 2837 | 11.8 |
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7000 |
| 2260 |
| 4.12 | 2383 |
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| 2497 |
| 2613 7.62 |
| 2722 8.93 |
| 2833 10.3 |
| 2939 11.6 | 3044 13.0 | 3144 14.4 | ||||||||||
| 2403 |
| 4.90 |
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| 2629 7.26 |
| 2737 |
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| 2842 9.94 | 2944 11.4 |
| 3047 12.8 | 14.3 | 3243 | ||||||||||||
8000 | 3149 |
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| 7.00 |
| 2763 8.27 |
| 2862 9.60 |
| 11.0 | 3062 |
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3346 2693 6.78 | 2798 | 8.06 |
| 2898 | 9.40 |
| 2993 |
| 10.8 |
| 3088 12.3 | 3183 13.8 |
| 3273 | 3364 17.0 | 18.6 | ||||||||||||
9000 | 2839 | 7.88 | 2939 | 9.23 |
| 10.6 | 3126 12.1 |
| 3214 13.6 | 3306 |
| 3394 16.8 | 3478 | 20.2 | ||||||||||||||
3740 |
| 9.11 | 3081 |
| 3173 12.0 |
| 3261 |
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| 3430 16.7 |
| 18.4 | 20.2 | 3678 21.9 | |||||||||||||
10000 3937 |
| 3132 |
| 3224 |
| 12.0 |
| 3312 |
| 3397 |
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| 3478 16.7 | 18.3 |
| 3640 20.1 | 3721 21.9 |
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RPM | 807 |
| Inlet Sound Power, | XBUUT> |
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1 | 2 | 3 | 4 | 6 | 7 |
| 8 | L8JA | |||
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1000 | 100 | 76 | 71 | 77 | 71 | 77 | 67 |
| 48 | 79 | |
| 80 | 73 | 69 | 77 | 68 | 70 | 60 |
| 44 | 73 | |
| 60 | 73 | 67 | 73 | 61 |
| 46 | 68 | |||
| 73 | 69 | 70 | 64 |
| 47 | 67 | ||||
1400 | 100 | 76 | 79 | 80 | 78 | 69 |
| 84 | |||
| 80 | 74 | 82 | 74 | 72 | 72 | 61 |
| 79 | ||
| 60 | 73 | 73 | 80 | 71 | 66 | 66 |
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| 73 | 73 | 79 | 70 | 60 |
| 74 | ||||
1900 | 100 | 79 | 80 | 87 | 98 | 84 | 78 |
| 73 | 96 | |
| 80 | 78 | 78 | 84 | 91 | 79 | 79 | 71 |
| 64 | 90 |
| 60 | 78 | 77 | 82 | 87 | 74 | 74 | 69 |
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| 76 | 76 | 82 | 86 | 73 | 73 | 69 |
| 66 | 84 | |
2600 | 100 | 87 | 86 | 89 | 97 | 91 | 92 | 86 |
| 82 | 98 |
| 80 | 84 | 87 | 94 | 86 | 86 | 81 |
| 74 | 94 | |
| 60 | 82 | 83 | 90 | 82 | 81 | 78 |
| 74 | 90 | |
| 82 | 82 | 83 | 92 | 81 | 81 | 78 |
| 76 | 91 | |
100 | 94 | 96 | 96 | 101 | 102 | 99 | 97 |
| 93 | 106 | |
| 80 | 92 | 99 | 99 | 94 | 92 |
| 86 | 102 | ||
| 60 | 89 | 93 | 93 | 96 | 94 | 90 | 88 |
| 98 | |
| 88 | 92 | 92 | 96 | 89 | 88 |
| 99 |
RPM | 807 |
| Outlet Sound Power, | XBUUT> |
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1 | 2 | 3 | 4 | 6 | 7 |
| 8 | L8PA | |||
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1000 | 100 | 71 | 71 | 79 | 80 | 73 |
| 82 | |||
| 80 | 69 | 72 | 77 | 70 | 72 |
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| 60 | 72 | 76 | 74 | 69 | 66 |
| 72 | |||
| 73 | 80 | 76 | 69 | 66 | 64 |
| 73 | |||
1400 | 100 | 76 | 83 | 84 | 82 | 76 |
| 64 | 88 | ||
| 80 | 74 | 76 | 83 | 79 | 77 | 76 |
| 60 | 82 | |
| 60 | 76 | 74 | 81 | 79 | 73 | 73 |
| 61 | 80 | |
| 74 | 76 | 82 | 78 | 72 | 71 | 64 |
| 61 | 80 | |
1900 | 100 | 80 | 83 | 88 | 93 | 90 | 89 | 83 |
| 81 | |
| 80 | 81 | 82 | 89 | 84 | 84 |
| 69 | 90 | ||
| 60 | 81 | 81 | 84 | 87 | 81 | 80 |
| 70 | 88 | |
| 82 | 81 | 88 | 81 | 80 | 74 |
| 71 | 88 | ||
2600 | 100 | 90 | 91 | 101 | 98 | 97 | 91 |
| 88 | 103 | |
| 80 | 87 | 89 | 90 | 92 | 91 | 84 |
| 78 | 97 | |
| 60 | 87 | 90 | 89 | 93 | 89 | 88 | 84 |
| 79 | |
| 86 | 89 | 88 | 92 | 88 | 87 | 83 |
| 79 | 94 | |
100 | 92 | 98 | 100 | 108 | 102 |
| 98 | 112 | |||
| 80 | 93 | 98 | 99 | 101 | 102 | 99 |
| 90 | 106 | |
| 60 | 93 | 98 | 98 | 100 | 100 | 97 | 94 |
| 90 | 104 |
| 92 | 97 | 98 | 99 | 98 | 96 | 93 |
| 89 | 103 |
1FSGPSNBODFDFSUJGJFEJTGPSJOTUBMMBUJPOUZQF"'SFFJOMFU'SFFPVUMFU1PXFSSBUJOHT #IQ EPOPUJODMVEFUSBOTNJTTJPOMPTTFT1FSGPSNBODFSBUJOHTEPOPUJODMVEF the effects of appurtenances (accessories).
The sound power level ratings shown are in decibels, referred to
The AMCA International Certified Ratings Seal for Sound for model QEM only applies to the single L8JA and L8PA values.
17