Single-Width Centrifugal Fan Performance Supplement - Greenheck

Static Pressure (Pa x 100)
35
30
25
20
15
10
5
0
Class Max RPM
I 661
II 861
III 1085
Static Pressure (in. wg)
16
14
12
10
8
6
4
2
AFSW-60
60
50
40
30
25
20
75 100 125 150
275
375
475
575
661
DO NOT SELECT TO THE LEFT OF THIS SYSTEM CURVE
0
0 2 4 6 8 10 12 14
Inlet Sound Power, Lwi
RPM %WOV 1 2 3 4 5 6 7 8 Lwi A
200 100 80 73 71 67 59 51 47 43 68
80 79 72 70 66 59 51 47 44 67
60 76 70 69 66 59 51 47 44 66
50 76 69 69 66 60 52 47 44 67
40 76 69 69 66 60 52 47 44 67
300 100 92 83 80 77 71 62 57 53 78
80 90 81 77 73 68 60 54 50 75
60 88 78 76 73 69 62 57 52 75
50 87 77 75 73 69 63 58 52 75
40 87 76 74 73 69 63 58 53 74
400 100 103 90 85 84 79 71 65 62 86
80 104 87 81 79 75 68 63 59 82
60 103 85 79 78 75 70 66 62 82
50 100 83 78 78 75 71 68 64 81
40 102 87 80 77 75 71 68 64 82
550 100 103 99 92 92 90 82 75 71 94
80 102 97 88 86 84 78 72 69 89
60 100 94 85 84 82 79 76 73 88
50 99 93 85 84 82 80 77 74 88
40 99 92 84 83 82 80 78 75 88
800 100 111 115 102 99 99 95 87 82 105
80 109 115 99 95 94 90 83 79 102
60 108 113 96 91 91 89 86 83 100
50 107 111 94 91 91 89 87 84 99
40 107 111 94 90 90 89 88 85 99
1085 100 116 122 112 105 106 106 96 91 112
80 112 122 109 102 101 100 92 87 110
60 111 120 106 98 98 97 94 91 107
50 111 118 104 97 98 97 95 92 106
40 111 118 104 96 98 96 96 93 106
Volume (cfm x 10,000)
0 2 4 6 8 10 12 14 16 18 20 22
3
Volume (m /hr x 10,000)
Sound Power [dB Ref 10 -12 watts]
RPM
BHP
% WOV
Density 0.075 lb/ft 3
Density 1.2 kg/m 3
60 AFSW
% WOV = (CFM X 100) / (RPM X 124)
The sound power level ratings shown are in decibels, referred to 10
83
-12 watts calculated per AMCA Standard 301. Values shown are for inlet Lwi, LwiA and outlet
Lwo, LwoA sound power levels for Installation Type B: free inlet, ducted outlet. Outlet ratings include the effects of duct end correction. The A-weighted sound
ratings shown have been calculated per AMCA International Standard 301.
200
750
50% WOV
861
925
250
60% WOV
1000
1085
70% WOV
80% WOV
90% WOV
Outlet Sound Power, Lwo
RPM %WOV 1 2 3 4 5 6 7 8 LwoA 200 100 86 82 74 68 61 52 48 45 71
80 85 82 72 67 60 52 47 45 71
60 85 82 72 68 62 53 48 46 71
50 83 80 73 68 62 54 49 47 71
40 84 80 73 68 62 54 49 47 71
300 100 94 85 80 78 71 63 57 51 79
80 92 83 77 74 68 61 55 49 76
60 90 81 75 73 68 62 57 52 75
50 90 81 75 72 68 62 58 53 75
40 89 81 75 72 67 62 58 54 74
400 100 106 92 88 87 82 74 68 64 88
80 104 90 84 82 77 70 65 60 84
60 102 89 82 79 75 70 67 64 83
50 101 88 81 79 74 70 67 63 82
40 100 87 80 78 74 70 67 64 81
550 100 108 101 95 95 93 85 78 73 97
80 105 98 92 90 87 80 74 70 92
60 103 96 89 86 83 79 75 72 89
50 103 96 89 86 83 79 76 73 89
40 102 95 88 85 82 79 76 74 88
800 100 114 114 105 103 101 97 90 84 106
80 112 114 102 99 97 93 86 81 103
60 109 111 100 96 93 90 86 83 100
50 107 108 98 95 92 89 86 84 99
40 107 108 98 93 90 89 87 84 98
1085 100 121 120 113 110 109 107 100 93 114
80 117 121 111 107 104 103 95 90 111
60 114 117 108 104 100 98 94 91 108
50 113 115 107 103 99 97 94 92 106
40 113 115 106 102 98 96 94 92 106
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