SO
SILENZIATORI CIRCOLARI SENZA OGIVA - PERDITE DI CARICO
CIRCULAR SOUND ATTENUATOR WITHOUT OGIVE - PRESSURE DROP
496
Ø
L
PA
Velocit
à frontale V
f
[m/s] | Frontal Speed V
f
[m/s]
mm
mm
2
3
4
5
6
7
8
9
10
1x d
0
0
1
1
1
2
2
3
4
250
1,5 x d
0
1
1
1
2
3
4
5
6
2x d
0
1
1
2
3
4
5
6
8
1x d
0
0
0
1
1
1
2
2
3
315
1,5 x d
0
0
1
1
2
2
3
4
5
2x d
0
1
1
2
2
3
4
5
6
1x d
0
0
0
1
1
1
2
2
3
355
1,5 x d
0
0
1
1
1
2
3
3
4
2x d
0
0
1
1
2
3
3
4
5
1x d
0
0
0
1
1
1
2
2
2
400
1,5 x d
0
0
1
1
1
2
2
3
4
2x d
0
0
1
1
2
2
3
4
5
1x d
0
0
0
1
1
1
1
2
2
450
1,5 x d
0
0
1
1
1
2
2
3
3
2x d
0
0
1
1
2
2
3
3
4
1x d
0
0
0
0
1
1
1
2
2
500
1,5 x d
0
0
0
1
1
1
2
2
3
2x d
0
0
1
1
1
2
2
3
4
1x d
0
0
0
0
1
1
1
1
2
560
1,5 x d
0
0
0
1
1
1
2
2
3
2x d
0
0
1
1
1
2
2
3
3
1x d
0
0
0
0
1
1
1
1
2
630
1,5 x d
0
0
0
1
1
1
1
2
2
2x d
0
0
0
1
1
1
2
2
3
1x d
0
0
0
0
0
1
1
1
1
710
1,5 x d
0
0
0
1
1
1
1
2
2
800
900
1000
2x d
0
0
0
1
1
1
2
2
3
1x d
0
0
0
0
0
1
1
1
1
1,5 x d
0
0
0
0
1
1
1
1
2
1x d
0
0
0
0
0
1
1
1
1
1,5 x d
0
0
0
0
1
1
1
1
2
1x d
0
0
0
0
0
0
1
1
1
1,5 x d
0
0
0
0
1
1
1
1
1
F
I
L
-
S
I
L
