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)
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
36000
1968
10.2
648
16.7
714
23.9
31.2
832
38.8
887
46.7
39000
2132
609
11.7
680
18.7
743
26.2
801
34.1
42.1
909
1007
67.9
42000
2296
713
20.9
773
28.8
829
37.2
882
932
980
63.4
1028
72.6
1072
82.1
2460
681
746
23.4
803
31.6
40.3
908
1004
67.9
1049
77.6
1093
87.4
48000
2624
717
17.6
779
26.0
34.6
888
43.7
937
984
63.1
1029
72.8
1072
82.8
1114
93.1
2788
20.0
814
28.9
868
37.9
918
47.4
966
1011
67.6
78.0
1098
88.3
1138
99.0
791
22.6
848
31.9
901
949
996
61.6
1040
72.3
1082
83.4
1124
94.2
1164
3116
829
884
934
982
1026
66.2
1069
77.2
1110
88.7
100
1189
112
60000
3280
866
28.6
919
38.9
968
1014
60.1
71.1
1099
1139
94.3
1178
106
119
63000
3444
904
32.0
42.8
1003
1047
1090
76.4
1129
88.1
1170
100
1207
113
1244
126
66000
3608
942
992
47.0
1038
1081
70.2
1122
81.9
1161
94.0
1199
107
1236
119
1272
133
69000
3772
980
39.8
1028
1073
87.9
1193
100
1230
113
1267
126
RPM
807
Inlet Sound Power, L
8J
<E#SFG
-12
XBUUT>
1
2
3
4
6
7
8
L
8J
A
100
83
73
71
68
61
74
80
82
79
69
64
60
48
69
60
82
78
67
62
47
67
79
76
67
62
48
66
100
91
93
82
78
77
72
67
61
83
80
88
89
77
72
69
61
77
60
86
88
69
66
62
87
89
76
69
66
63
61
76
700
100
92
99
87
81
77
73
92
80
91
99
93
83
78
74
71
68
88
60
90
94
88
79
74
71
69
67
84
92
96
89
79
74
71
69
68
1000
100
97
101
102
97
91
87
83
100
80
93
98
100
93
89
84
79
77
96
60
91
97
90
79
78
77
93
92
99
100
89
84
80
79
78
94
1281
100
102
106
109
104
101
97
94
90
107
80
98
102
107
100
96
91
86
83
103
60
100
104
98
92
87
84
82
100
96
103
108
99
91
87
84
83
102
RPM
807
Outlet Sound Power, L
8P
<E#SFG
-12
XBUUT>
1
2
3
4
6
7
8
L
8P
A
100
83
84
80
79
69
62
80
80
82
81
76
70
76
60
80
78
74
74
68
62
74
79
77
74
74
68
61
74
100
87
92
87
82
78
73
66
88
80
87
91
84
82
78
73
69
63
84
60
87
89
84
81
77
71
67
63
83
92
92
88
80
73
68
63
86
700
100
90
98
99
94
90
87
83
78
97
80
88
97
96
91
86
82
79
74
93
60
90
94
89
84
80
76
71
91
94
96
94
90
80
76
71
92
1000
100
97
102
107
104
100
92
89
106
80
100
104
101
96
90
86
83
102
60
97
100
102
97
92
87
84
80
99
99
103
103
97
92
87
83
79
99
1281
100
102
107
111
111
107
102
98
96
112
80
100
104
108
107
103
97
93
90
108
60
102
108
104
99
90
87
106
103
108
111
99
94
90
86
107
27
Plenum Size 49
QEP Class I
Maximum rpm
780
QEP Class II
Maximum rpm 1017
QEP Class III
Maximum rpm 1281
QEP Motor on Frame Limit
326T
Minimum Motor Size
3 [hp]
Wheel Diameter
49.00
1245
[in.]
[mm]
Peak Power
(rpm / 245)
3
(rpm / 270)
3
[hp]
[kW]
Wheel Outlet Velocity
cfm / 18.4
m
3
/s / 10.9
[ft/min]
[m/s]
Tip Speed
rpm x 12.8
rpm x 0.0652
[ft/min]
[m/s]
% Wide Open Volume (%WOV)
cfm / (rpm x 0.740)
m
3
/hr / (rpm x 1.257)
[%]
[%]
Imperial data —
Metric data
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
0
2
4
6
8
10
12
14
90%
80%
70%
60%
1281
1137
1017
903
780
665
528
419
rpm
hp
Density 0.075 lb/ft
3
Density 1.2 kg/m
3
% WOV
15
10
7½
5
20
25
30
40
50
60
75
100
125
150
0
5
10
15
20
25
30
Static Pr
essur
e (in. wg)
Static Pr
essur
e (Pa x 100)
3
Volume (m /hr x 10,000)
0
1
2
3
4
5
6
7
8
9
10
Volume (cfm x 10,000)
0
2
4
6
8
10
12
14
16