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CFM OV
STATIC PRESSURE (in. wg)
123456789
RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1
14000 1688 788 908 6.24 1016 9.10 1116 12.0 1208
16000 1930 864 4.44 7.38 10.6 1168 13.9 17.2 1339 20.7
18000 2171 941 1047 8.71 1139 12.2 1227 1309
1387 23.2
1464 27.1 31.1
20000 2412 1021 6.72 1122 10.3 1208 13.9 1290 17.9
1368 22.0
1443 26.0
30.2 34.4 38.7
22000 1104 8.17 1197 12.0 1281 16.0
20.1
1431
29.1 1634 38.0 1698 42.6
24000 1188 9.86 1274 13.9
18.2
1428 22.6
1497 27.2 32.1 1629 37.1 1692 41.9 46.7
26000 3136 1273 11.8
16.1
1430 20.7
30.3 1630 1693 1811
28000 3377
14.0
1432 18.6
28.6 1639 33.6 1699 38.9 44.3 1816 49.9 1872
30000 3618
1446
21.4 31.9 1713 37.3 1771 42.8 1826 48.4 1881 1936 60.3
32000 3860 19.3 1662 29.9 1727 1788 41.3 1844 47.1 1898
34000 4101 1620 22.4 1683 28.0 1742 33.6 1804 1863 1919
36000 4342 1708 1768 31.8 37.7 1882 43.9 1939
RPM 807
Inlet Sound Power, L
8J
<E#SFG
-12
XBUUT>
1234 678L
8J
A
100 80 88 77 71 70 76
80 79 74 67 64 73
60 84 84 67 61 49 43 72
84 84 67 61 49 43 72
100 80 89 88 79 76 73 67 60 84
80 81 91 87 72 67 61 81
60 80 86 82 72 68 64 77
79 86 82 72 68 64 60 77
100 84 92 97 87 82 76 70 92
80 81 91 96 83 80 76 71 66 89
60 80 88 91 79 76 73 70 67
79 86 88 76 73 72 69 68 83
1400
100 89 93 99 98 93 90 81 99
80 86 90 94 88 84 80
60 87 92 94 90 83 80 77 91
87 93 93 88 81 79 76 76 90
1949
100 96 100 104 106 103 99 90 107
80 93 97 101 102 98 93 89 84 103
60 93 98 101 99 93 89 86 83 100
93 99 101 98 91 87 83 99
RPM 807
Outlet Sound Power, L
8P
<E#SFG
-12
XBUUT>
1234 678L
8P
A
100 83 87 79 77 76 71 61 80
80 83 84 77 71 64 77
60 82 83 73 70 63
81 83 73 72 70 64
100 81 89 91 86 82 78 72 62 88
80 81 88 88 83 78 72 66 61 84
60 83 86 81 76 70 66 64 83
83 86 80 70 67 67 82
100 86 102 96 92 87 82 74 98
80 83 92 99 92 88 82 76 71 94
60 91 94 87 84 79 74 71 90
90 92 82 77 73 72 88
1400
100 91 96 103 100 91 87
80 90 94 101 101 96 90 84 80 101
60 93 96 90 81 79 96
96 97 94 93 88 83 81 79 94
1949
100 98 102 108 112 110 100 96 114
80 97 101 106 109 106 100 94 89 110
60 101 104 103 103 100 90 87
103 106 103 101 98 93 89 86 103
23
Plenum Size 33
QEP Class I Maximum rpm 1186
QEP Class II Maximum rpm
QEP Class III Maximum rpm 1949
QEM Maximum rpm 1392
Note: Model QEM does not utilize class designations.
QEP Motor on Frame Limit 286T
Minimum Motor Size 1
1
⁄2 [hp]
Wheel Diameter
33.00
838
[in.]
[mm]
Peak Power
(rpm / 485)
3
(rpm / 535)
3
[hp]
[kW]
Wheel Outlet Velocity
cfm / 8.30
m
3
/s / 4.89
[ft/min]
[m/s]
Tip Speed
rpm x 8.64
rpm x 0.0439
[ft/min]
[m/s]
% Wide Open Volume (%WOV)
cfm / (rpm x 0.219)
m
3
/hr / (rpm x 0.372)
[%]
[%]
Imperial data — Metric data
01234567
0
5
10
15
20
25
30
01234
0
2
4
6
8
10
12
14
90%
80%
70%
60%
Static Pressure (in. wg)
Volume (cfm x 10,000)
3
Volume (m /hr x 10,000)
Static Pressure (Pa x 100)
D
O
N
O
T
S
E
L
E
C
T
T
O
T
H
E
L
E
F
T
O
F
T
H
I
S
S
Y
S
T
E
M
C
U
R
V
E
15
10
7½
5
3
2
20
30
40
50
60
25
75
rpm
hp
% WOV
Density 0.075 lb/ft
3
Density 1.2 kg/m
3
1949
1787
1547
1392
1316
1186
1045
829
611
1FSGPSNBODFDFSUJGJFEJTGPSJOTUBMMBUJPOUZQF"'SFFJOMFU'SFFPVUMFU1PXFSSBUJOHT#IQEPOPUJODMVEFUSBOTNJTTJPOMPTTFT1FSGPSNBODFSBUJOHTEPOPUJODMVEF
the effects of appurtenances (accessories).
The sound power level ratings shown are in decibels, referred to 10
-12
XBUUTDBMDVMBUFEQFS".$"*OUFSOBUJPOBM4UBOEBSE7BMVFTTIPXOBSFGPSJOMFU-
8J
, L
8J
A
and outlet L
8P
, L
8P
A sound power levels for installation type A: Free inlet, Free outlet. The A-weighted sound ratings shown have been calculated per AMCA
International Standard 301. Outlet ratings do not include the effects of duct end correction.
The AMCA International Certified Ratings Seal for Sound for model QEM only applies to the single L
8J
A and L
8P
A values.