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Vibration Technology for Processing Bulk Materials
NATIONAL AIR
VIBRATOR CO.
®
Page 7
Performance
Sound Pressure Levels
Models
@ 10 PSI
@ 20 PSI
@ 30 PSI
@ 40 PSI
@ 50 PSI
@ 60 PSI
Silent
BH 1.00
58
64
71
72
73
75
BH 1.25
57
61
63
66
67
71
BH 1.62
60
65
68
73
74
76
BH 2.00
60
63
68
71
73
74
BH 3.00
60
67
72
74
76
77
BH 3L
69
74
78
79
82
83
BH 4.00
-
73
76
82
83
84
BH 5.00
-
72
76
81
83
85
BH 6.00
-
-
70
75
78
79
BH 8.00
-
-
-
-
79
82
Impacting
BH 1.00
60
66
73
84
86
87
BH 1.25
59
64
79
86
87
91
BH 1.62
94
95
97
99
102
102
BH 2.00
87
97
102
104
106
107
BH 3.00
69
77
86
92
96
98
BH 3L
70
73
78
91
94
96
BH 4.00
73
80
105
106
110
111
BH 5.00
-
93
97
103
105
106
BH 6.00
81
86
88
94
95
97
Readings are dBA (slow response). All measurements are 10’ –12’ from vibrator, inside concrete tile building.
