Plenum Size
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.
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
70000
2109
449
20.9
33.4
47.0
61.2
633
672
710
106
473
23.8
37.1
610
66.3
81.4
688
97.0
724
113
130
793
147
80000
2410
497
26.9
41.0
630
71.4
668
87.7
104
739
121
774
138
807
30.4
611
60.6
76.9
687
94.0
723
111
129
789
147
821
90000
2711
34.2
49.9
633
66.0
671
82.8
707
101
740
119
774
137
806
836
2862
38.3
616
71.7
692
89.1
726
107
760
127
792
146
823
100000 3012
42.9
640
60.2
678
77.9
714
748
780
134
811
841
871
3163
623
47.8
664
701
736
103
768
123
800
143
830
164
888
206
110000 3314
649
688
72.1
724
91.3
111
790
131
821
173
879
906
218
3464
713
78.6
748
98.7
781
119
812
140
841
161
871
183
899
206
926
229
120000
701
737
772
107
804
128
834
149
863
171
891
194
919
217
241
3766
727
72.0
762
93.0
796
827
137
182
912
940
229
RPM
807
Inlet Sound Power, L
8J
<E#SFG
-12
XBUUT>
1
2
3
4
6
7
8
L
8J
A
100
90
79
71
61
80
86
66
47
68
60
86
74
64
62
47
66
82
72
63
47
66
100
98
87
79
81
77
71
60
82
80
94
83
74
73
67
60
76
60
92
81
71
70
62
60
73
94
83
71
70
63
61
74
100
98
103
90
88
86
81
77
73
92
80
96
103
86
83
78
74
71
68
89
60
97
83
79
74
71
70
68
98
99
83
78
74
72
70
69
86
700
100
99
99
98
93
90
86
82
100
80
103
93
87
82
80
77
60
93
101
93
90
82
79
78
77
92
96
93
88
82
80
80
79
93
100
106
110
109
102
98
91
108
80
102
107
106
101
97
91
87
84
103
60
100
104
98
92
87
84
100
101
108
106
97
92
88
86
101
RPM
807
Outlet Sound Power, L
8P
<E#SFG
-12
XBUUT>
1
2
3
4
6
7
8
L
8P
A
100
88
82
81
81
73
69
49
81
80
87
78
77
76
69
76
60
83
76
76
66
63
82
76
64
62
74
100
88
87
86
81
78
71
64
87
80
86
84
83
73
67
62
83
60
92
87
84
82
74
70
66
62
82
94
89
88
86
77
72
67
61
86
100
103
98
94
90
87
82
77
97
80
93
101
90
83
78
74
93
60
98
93
88
83
81
70
91
101
98
94
90
84
81
76
71
92
700
100
100
108
107
104
98
92
88
80
97
104
100
93
89
86
82
101
60
99
104
100
97
91
87
83
79
98
102
106
101
96
90
87
82
78
98
100
106
111
114
112
107
103
100
97
113
80
104
109
112
108
103
98
94
91
109
60
106
109
109
100
91
88
107
108
112
111
99
91
87
107
30
Plenum Size 66
QEP Class I
Maximum rpm
QEP Class II
Maximum rpm
QEP Class III
Maximum rpm
QEP Motor on Frame Limit
365T
Minimum Motor Size
7
1
⁄
2
[hp]
Wheel Diameter
66.00
1676
[in.]
[mm]
Peak Power
(rpm / 149)
3
(rpm / 164)
3
[hp]
[kW]
Wheel Outlet Velocity
cfm / 33.2
m
3
/s / 19.5
[ft/min]
[m/s]
Tip Speed
rpm x 17.3
rpm x 0.0878
[ft/min]
[m/s]
% Wide Open Volume (%WOV)
cfm / (rpm x 1.81)
m
3
/hr / (rpm x 3.075)
[%]
[%]
Imperial data —
Metric data
0
1
2
3
0
5
10
15
20
25
30
0
2
4
6
8
10
12
14
16
18
0
2
4
6
8
10
12
14
90%
80%
70%
60%
Static Pr
essur
e (in. wg)
Volume (cfm x 10,000)
Volume (m
3
/hr x 100,000)
Static Pr
essur
e (Pa x 100)
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
367
436
510
579
692
755
871
951
D
O
N
O
T
S
E
L
E
C
T
T
O
T
H
E
L
E
FT
O
F
T
H
IS
S
Y
S
T
E
M
C
U
R
V
E