IRB 500x250 B1 EC
10V, 284 l/s, 250 Pa
LpA
LwA tot dB (A)
63
125
250
500
1K
2K
4K
8K
Environment
49
56
46
41
51
50
49
50
41
36
Inlet
67
58
62
63
53
53
51
50
41
Outlet
75
58
65
70
65
67
69
63
52
8,5V, 246 l/s, 198 Pa
Environment
47
54
37
39
49
48
47
46
38
33
Inlet
64
57
60
60
49
50
48
47
37
Outlet
73
57
63
68
62
64
66
60
48
7V, 207 l/s, 131 Pa
Environment
43
50
33
36
46
44
43
41
34
30
Inlet
60
54
54
56
43
43
42
38
30
Outlet
66
54
57
62
55
57
60
51
39
5V, 169 l/s, 88 Pa
Environment
40
47
30
32
45
39
36
36
30
29
Inlet
54
49
49
48
35
35
33
27
17
Outlet
59
49
52
54
47
49
51
38
27
IRB 500x250 E1 EC
10V, 532 l/s, 300 Pa
LpA
LwA tot dB (A)
63
125
250
500
1K
2K
4K
8K
Environment
60
67
48
58
66
52
47
43
37
32
Inlet
74
64
68
72
57
50
49
48
46
Outlet
81
65
71
80
69
66
63
59
56
8,5V, 448 l/s, 210 Pa
Environment
54
61
44
57
58
47
42
38
33
30
Inlet
70
61
67
67
52
45
45
44
41
Outlet
76
62
71
73
64
61
59
54
52
7V, 363 l/s, 140 Pa
Environment
50
57
41
54
51
47
37
33
29
29
Inlet
65
57
63
59
46
40
40
39
35
Outlet
69
58
65
66
58
55
53
49
46
5V, 253 l/s, 70 Pa
Environment
39
46
35
43
41
32
32
25
27
29
Inlet
59
52
57
48
35
31
31
30
21
Outlet
61
52
57
56
46
45
44
44
27
36