CFM
OV
STATIC PRESSURE (in. wg)
1
2
3
4
5
6
7
8
9
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>
1
2
3
4
6
7
8
L
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>
1
2
3
4
6
7
8
L
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
0
1
2
3
4
5
6
7
0
5
10
15
20
25
30
0
1
2
3
4
0
2
4
6
8
10
12
14
90%
80%
70%
60%
Static Pr
essur
e (in. wg)
Volume (cfm x 10,000)
3
Volume (m /hr x 10,000)
Static Pr
essur
e (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
IS
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.