Filter
Top Products
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
6000 1967 1428 1.86 1602 2.96 4.11 1908
2131 2.16 1682 3.34 1832 1970 2108 7.27
7000 1609 1763 3.77 1907 2041 6.41 2168 7.84
9.40
1703 2.90 1847 4.23 1986 2114 7.02 2236
10.1
2472 11.8
8000 2622 1797 3.34 1934 4.73 2066 6.19 2190 7.69
2308 9.22
2418 10.8 2640 14.3
2786 1892 3.83 2022 2147 6.83
2268 8.39
2381 10.0
2490 11.7 13.4 2700 2802 17.1
9000 1988 4.37 2111 2230
2347
10.8 12.6 2663 14.3 16.1 2862 18.1
3114 4.96 2202
2317 8.23
2428 9.97 11.7 2637 2736 2830 17.2 2922 19.2
10000 3278 2182
7.24
2404 9.00
10.9 2614 12.7 2713 2809 16.4 2902 18.4 2991 20.4
3442
2279 6.33
2388 8.03
2493 9.84 11.8 13.7 2792 2884 17.6 19.6 3063 21.7
11000 3606
2377 7.11
2482 8.88 10.7 2681 12.7 2776 14.8 2871 16.8 2962 18.8 3049 20.9 23.0
3770 7.93 9.79 2672 11.7 2768 13.8 18.0 3041 20.1 3126 22.3 3210 24.4
RPM 807
Inlet Sound Power, L
8J
<E#SFG
-12
XBUUT>
1234 678L
8J
A
900
100 77 73 77 68 68 48 73
80 77 72 74 66 64 60 47 70
60 77 71 73 61 48 69
77 72 73 61 47 69
1200
100 72 78 83 73 73 71 68 79
80 73 73 79 73 69 67 60 76
60 72 73 82 71 66 76
72 73 82 71 66 76
1700
100 81 79 89 83 80 80 77 69 87
80 82 78 87 80 76 70 84
60 81 77 86 78 73 73 67 82
80 77 86 78 73 73 67 82
2300
100 86 86 88 91 87 87 81 94
80 80 83 89 83 83 79 74 90
60 81 81 87 90 82 80 76 73 89
81 81 88 91 82 80 76 73 90
3409
100 93 97 97 99 98 96 92 103
80 87 92 94 96 92 90 100
60 88 92 93 97 89 87 83 99
88 92 94 98 89 87 83 99
RPM 807
Outlet Sound Power, L
8P
<E#SFG
-12
XBUUT>
1234 678L
8P
A
900
100 73 80 74 74 72 62 78
80 71 73 77 72 71 67
60 70 74 70 69 66 74
70 74 70 69 66 74
1200
100 76 81 86 80 79 78 63
80 76 76 84 77 76 74 67 61 82
60 76 81 76 73 66 61 80
76 76 82 76 73 66 61 80
1700
100 82 84 94 89 88 86 83 78 94
80 82 82 90 86 84 82 77 71 90
60 82 83 89 84 82 80 70 88
82 83 89 84 82 80 70 88
2300
100 91 91 92 98 96 94 91 87 101
80 90 89 89 94 93 90 80 97
60 90 90 91 93 90 87 82 79
90 90 91 94 90 87 82 79
3409
100 98 102 102 104 106 104 101 98 110
80 97 100 99 101 102 100 96 91 106
60 96 101 100 101 101 98 93 89
97 101 100 101 101 97 93 89
Plenum Size 20
QEP Class I Maximum rpm
QEP Class II Maximum rpm 2706
QEP Class III Maximum rpm 3409
QEM Maximum rpm 2327
Note: Model QEM does not utilize class designations.
QEP Motor on Frame Limit 254T
Minimum Motor Size 1/3 [hp]
Wheel Diameter
20.00
508
[in.]
[mm]
Peak Power
(rpm / 1086)
3
(rpm / 1198)
3
[hp]
[kW]
Wheel Outlet Velocity
cfm / 3.05
m
3
/s / 1.80
[ft/min]
[m/s]
Tip Speed
rpm x 5.24
rpm x 0.0266
[ft/min]
[m/s]
% Wide Open Volume (%WOV)
cfm / (rpm x 0.0488)
m
3
/hr / (rpm x 0.0830)
[%]
[%]
Imperial data — Metric data
0 5 10 15 20 25
0
5
10
15
20
25
30
0246810121416
0
2
4
6
8
10
12
14
90%
80%
70%
Static Pressure (in. wg)
Volume (cfm x 1000)
Volume (m
3
/hr X 1000)
Static Pressure (Pa x 100)
25
15
10
7½
5
3
2
1½
1
20
30
40
1086
1243
1368
1566
1857
2327
2948
3175
3409
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
YS
T
E
M
C
U
R
V
E
rpm
hp
% WOV
Density 0.075 lb/ft
3
Density 1.2 kg/m
3
2075
2706
18
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.