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YORK® MIXED FLOW, INLINE FAN, MODEL MFSI
38
90% WOV
80% WOV
70% WOV
60% WOV
30 HP
40 HP
50 HP
60 HP
3 HP
5 HP
20 HP
7 1/2 HP
10 HP
15 HP
400
500
600
670
740
810
890
960
1030
1100
System curve, do not select to the left.
25 HP
SOUND POWER LEVELS
SOUND POWER LEVELS
The sound power level ratings shown are in decibels, referred to 10
-12
watts calculated per AMCA Standard 301. Values shown are for inlet Lwi and LwiA sound power
levels for Installation Type B: free inlet, ducted outlet. Ratings do not include the effects of duct end correction.
Size 445
Inlet Sound Power (Lwi)
RPM
%WOV
1
2
3
4
5
6
7
8
LwiA
RPM
%WOV
1
2
3
4
5
6
7
8
LwiA
251
100
72
71
72
68
61
55
47
39
69
740
100
94
98
96
95
93
86
80
73
97
80
67
66
65
63
57
50
42
35
64
80
90
93
91
89
87
82
76
69
92
70
66
66
64
62
57
50
43
36
63
70
90
92
90
88
86
81
76
69
91
60
66
65
63
61
57
51
44
37
62
60
89
91
89
87
85
81
76
70
90
50
66
66
63
61
57
52
46
40
63
50
90
92
91
87
85
81
77
72
90
325
100
78
77
78
76
69
63
56
48
76
810
100
94
100
98
96
96
88
81
75
99
80
73
72
72
70
65
59
51
43
71
80
91
94
92
91
89
83
78
72
93
70
73
72
71
69
65
59
51
44
70
70
91
93
92
89
88
82
78
72
92
60
72
72
70
68
65
59
52
45
70
60
91
93
91
88
87
82
78
72
91
50
72
73
69
68
65
59
53
47
70
50
92
93
92
89
87
83
79
74
92
400
100
83
82
82
82
75
69
63
55
82
890
100
94
102
101
97
99
90
83
77
102
80
78
78
77
75
71
65
58
50
76
80
92
96
94
92
92
84
80
74
95
70
78
77
76
74
71
65
58
51
76
70
92
95
94
90
90
84
80
74
94
60
78
77
75
73
70
65
58
52
75
60
92
94
93
89
89
83
80
74
93
50
77
78
75
73
70
66
60
54
75
50
94
95
94
91
89
84
81
77
94
500
100
88
88
87
87
83
76
70
62
88
960
100
95
104
102
99
100
92
85
79
103
80
84
83
82
81
77
72
65
57
82
80
94
99
96
94
93
86
82
76
97
70
83
83
81
80
77
72
65
58
82
70
93
97
95
92
92
86
81
76
96
60
83
83
81
78
76
72
65
59
81
60
93
97
94
91
90
85
81
76
94
50
83
83
82
78
76
72
66
60
81
50
95
97
95
92
90
86
82
78
95
600
100
92
93
90
92
89
81
76
68
93
1030
100
96
107
104
101
101
94
87
81
105
80
88
88
86
85
83
78
71
63
87
80
95
102
97
96
95
88
83
78
99
70
87
88
85
84
82
78
71
64
87
70
95
100
96
94
93
88
83
78
97
60
87
87
85
83
81
78
71
64
86
60
95
99
95
93
92
87
83
79
96
50
87
87
87
82
81
78
72
66
86
50
96
100
97
94
92
87
84
80
97
670
100
93
96
93
94
91
84
78
71
95
1100
100
96
110
105
102
103
96
88
83
106
80
89
91
88
87
85
80
74
66
89
80
97
105
98
97
97
90
85
80
101
70
88
90
88
86
84
80
74
67
89
70
96
103
97
95
95
89
84
80
99
60
88
89
88
85
83
80
74
67
88
60
96
102
97
94
94
89
84
80
98
50
88
90
89
85
83
80
75
69
88
50
97
102
98
95
94
89
85
82
99
Содержание MFSI
Страница 1: ...Mixed Flow Inline Fan Model MFSI...
Страница 47: ......