40 of 120
MVA 02 rev 5 - December 2017
ACOUSTIC PRESSURE* EMITTED Lp(A) (dBA)
(1/2)
Axial fans
– series with aluminium impeller hub
size
ES
1
EF
1
EF
vers.9
EB
EFR
2
EK
2
EQ
2
EP
2
ET
3
250
80
280
84
315
87
87
86
86
62
62
67
355
87
87
85
88
90
64
64
72
400
86
86
85
88
93
65
65
78
65
450
89
89
86
89
96
70
70
80
500
88
88
86
89
98
72
71
83
71
560
93
93
87
90
102
75
75
74
630
94
94
87
90
105
68
78
80
710
90
90
88
91
91
74
84
800
89
89
88
91
94
75
74
900
95
95
92
95
83
82
1000
95
95
91
94
84
83
1120
95
95
91
94
1250
91
91
90
93
1400
92
92
90
93
* Uncer 3 dB
Chart 3-5 Acoustic pressure emitted Lp(A) (dBA)
