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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.
Plenum Size
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
90000 2216 421 28.0 468 44.0 61.1 79.3 617 116 136 683
2339 439 31.1 484 47.9 84.3 104 630 123 661 143 694 164 723
100000 2463 34.3 70.2 89.6 610 110 643 130 674 704 172 734 194
476 37.9 624 116 138 687 716 181 204
110000 2709 494 41.7 60.9 80.6 606 101 638 123 669 700 167 728 190 213
2832 86.3 622 108 130 683 713 176 741 200 768 223
120000 71.1 92.4 638 114 669 137 698 161 726 209 781 234
3078 76.6 622 98.8 121 684 713 169 741 194 767 220 794
130000 3201 60.1 606 639 670 129 700 728 177 203 781 230 807
624 88.7 112 687 136 716 161 743 186 770 213 796 240 820 268
140000 3448 607 71.3 642 674 120 704 732 170 196 786 223 810 279
627 660 102 691 127 720 748 179 206 801 233 262 849 291
RPM 807
Inlet Sound Power, L
8J
<E#SFG
-12
XBUUT>
1234 678L
8J
A
100 93 83 74 78 68 64 78
80 90 79 69 68 62 71
60 89 77 67 61 69
76 68 66 61 69
300
100 97 79 80 69 64 81
80 93 81 73 72 66 63 74
60 92 79 71 69 64 61 72
93 80 71 69 64 62 60 73
100 99 102 90 88 86 81 77 73 92
80 98 101 86 83 78 72 69 88
60 96 96 83 79 74 72 70 69 84
99 97 83 79 72 71 70
600
100 100 98 97 92 89 80 99
80 96 103 94 92 86 81 79 76 94
60 94 101 91 88 81 79 78 77 91
97 91 87 81 80 79 78 92
860
100 107 111 109 102 99 91 108
80 103 109 106 101 97 91 88 84 103
60 101 106 104 98 92 88 86 84 100
103 110 106 97 92 88 87 86 101
RPM 807
Outlet Sound Power, L
8P
<E#SFG
-12
XBUUT>
1234 678L
8P
A
100 91 84 84 76 72 62 84
80 90 81 80 79 72 68 61 79
60 87 79 79 78 69 66 61 78
86 78 79 78 67 61 77
300
100 88 87 80 76 69 62 86
80 83 81 74 72 66 60 82
60 92 86 83 80 73 69 61 81
94 89 87 83 70 60 84
100 97 103 98 90 87 82 77 97
80 101 90 83 78 74 93
60 96 98 93 88 84 81 70 91
101 99 94 90 84 81 76 71 92
600
100 101 108 106 103 97 94 91 87 104
80 98 106 102 99 92 88 81 100
60 100 104 99 89 86 82 77 97
103 106 99 89 81 77 97
860
100 108 113 112 108 103 100 97 114
80 106 110 113 108 103 98 94 91 110
60 108 110 110 100 92 88 107
109 113 111 104 100 91 87 107
31
Plenum Size 73
QEP Class I Maximum rpm
QEP Class II Maximum rpm 683
QEP Class III Maximum rpm 860
QEP Motor on Frame Limit 365T
Minimum Motor Size 7
1
⁄2 [hp]
Wheel Diameter
73.00
1854
[in.]
[mm]
Peak Power
(rpm / 126)
3
(rpm / 139)
3
[hp]
[kW]
Wheel Outlet Velocity
cfm / 40.6
m
3
/s / 23.9
[ft/min]
[m/s]
Tip Speed
rpm x 19.1
rpm x 0.0971
[ft/min]
[m/s]
% Wide Open Volume (%WOV)
cfm / (rpm x 2.45)
m
3
/hr / (rpm x 4.163)
[%]
[%]
Imperial data — Metric data
0123
0
5
10
15
20
25
30
0 2 4 6 8 10121416182022
0
2
4
6
8
10
12
14
90%
80%
70%
60%
Static Pressure (in. wg)
Volume (cfm x 10,000)
Volume (m
3
/hr x 100,000)
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
20
30
40
50
25
75
rpm
hp
% WOV
Density 0.075 lb/ft
3
Density 1.2 kg/m
3
60
100
125
150
200
250
300
350
860
794
683
630
523
464
392
342