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.
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
3600
1730
1726
1.07
1949
2146
2.46
2328
3.20
4000
1923
1.30
2076
2.04
2264
2.81
3.61
2744
4400
2007
2207
2.36
2384
3.21
4.06
2703
2849
6.83
4800
2307
1.86
2341
2.73
3.63
2669
2816
6.48
3090
7.48
3216
2301
2.20
2478
3.14
2641
4.10
2790
2934
6.10
3067
7.13
3197
8.19
3322
9.27
3440
10.4
2692
2618
3.60
2773
4.62
2918
6.76
7.84
3308
3429
10.1
11.3
6000
2884
2602
3.02
4.11
2908
3048
6.31
3178
7.46
8.61
3426
9.77
11.0
12.2
6400
3076
2903
4.68
3046
3180
7.00
3307
8.20
3427
9.44
10.7
11.9
3766
13.2
6800
3269
2907
4.06
3186
3314
3437
9.01
10.3
3666
11.6
3778
12.9
3883
14.2
7200
3461
3061
4.67
3198
3327
7.26
9.88
3684
11.2
3793
12.6
3898
14.0
7600
3346
6.69
3469
8.08
9.43
3704
10.8
12.2
8000
3846
3371
6.08
3496
7.49
3731
10.4
3842
11.8
RPM
807
Inlet Sound Power, L
8J
<E#SFG
-12
XBUUT>
1
2
3
4
6
7
8
L
8J
A
1100
100
84
78
73
69
64
62
48
72
80
87
86
77
67
62
61
46
74
60
84
86
72
47
72
86
72
64
48
72
100
80
77
74
69
68
66
77
80
77
77
76
71
66
62
74
60
71
64
64
60
73
76
70
64
64
60
73
2000
100
76
79
77
86
73
68
80
76
79
78
87
73
72
68
84
60
80
78
86
70
70
67
84
81
78
70
69
67
83
2800
100
86
86
82
89
82
81
80
80
90
80
92
88
81
88
79
79
77
76
88
60
88
88
81
89
78
78
76
74
88
87
88
81
89
78
77
74
88
3900
100
93
96
92
93
93
88
88
88
97
80
99
99
92
92
92
86
86
84
96
60
94
98
93
92
91
84
82
94
97
92
92
91
84
82
RPM
807
Outlet Sound Power, L
8P
<E#SFG
-12
XBUUT>
1
2
3
4
6
7
8
L
8P
A
1100
100
71
80
73
70
72
71
64
76
80
71
77
73
69
71
69
61
60
72
76
70
67
68
66
61
73
72
69
67
67
66
61
72
100
78
83
77
77
76
74
64
83
80
77
83
74
73
69
61
80
60
78
80
73
72
72
68
62
78
78
79
73
72
71
68
62
78
2000
100
78
77
80
86
83
80
78
88
80
78
78
81
86
80
78
71
87
60
78
77
79
83
78
77
74
69
84
79
77
80
82
78
76
74
70
84
2800
100
89
86
94
91
90
88
87
97
80
90
87
86
94
88
86
83
81
60
88
86
91
86
82
79
92
89
86
84
91
86
84
82
78
92
3900
100
96
96
94
98
100
98
96
80
96
98
98
99
92
90
103
60
96
94
96
96
93
91
88
100
96
97
93
96
96
92
90
87
100
16
Plenum Size 16
QEP Class I
Maximum rpm 2374
QEP Class II
Maximum rpm
QEP Class III
Maximum rpm 3900
QEM
Maximum rpm 2786
Note: Model QEM does not utilize class designations.
QEP Motor on Frame Limit
215T
Minimum Motor Size
1/3 [hp]
Wheel Diameter
16.50
419
[in.]
[mm]
Peak Power
(rpm / 1571)
3
(rpm / 1732)
3
[hp]
[kW]
Wheel Outlet Velocity
cfm / 2.07
m
3
/s / 1.22
[ft/min]
[m/s]
Tip Speed
rpm x 4.32
rpm x 0.0219
[ft/min]
[m/s]
% Wide Open Volume (%WOV)
cfm / (rpm x 0.0247)
m
3
/hr / (rpm x 0.0420)
[%]
[%]
Imperial data —
Metric data
0
2
4
6
8
10
12
14
16
0
5
10
15
20
25
30
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
YS
T
E
M
C
U
R
V
E
0
1
2
3
4
5
6
7
8
9
10
0
2
4
6
8
10
12
14
Static Pr
essur
e (in. wg)
Volume (cfm x 1000)
Volume (m
3
/hr x 1000)
Static Pr
essur
e (Pa x 100)
15
10
7½
5
3
2
1½
1
¾
½
60%
70%
80%
20
1979
1571
1247
2686
2786
3385
90%
rpm
hp
% WOV
Density 0.075 lb/ft
3
Density 1.2 kg/m
3
2374
3095
3900
Plenum Size 16