18
EB 2517 EN
Design and principle of operation
Table 2:
Max. permissible pressure at actuator
Set point ranges
Max. perm. pressure
above the set point adjusted at the
actuator
Diaphr
agm actuator
0.05 to 0.25 bar
0.6 bar
0.1 to 0.6 bar
0.2 to 1.2 bar
1.3 bar
0.8 to 2.5 bar
2.5 bar
2 to 5 bar
5 bar
4.5 to 10 bar
10 bar
8 to 16 bar
Bel
lows actuator
2 to 6 bar
6.5 bar
5 to 10 bar
10 to 22 bar
8 bar
20 to 28 bar
2 bar
The maximum permissible pressure at the actuator depends on the currently adjusted set
point. Add the value listed in the table to it.
Example:
Set point range: 0.2 to 1.2 bar, adjusted set point: 0.8 bar
Max. permissible pressure
at actuator:
0.8 bar + 1.3 bar =
2.1 bar
Table 3:
K
VS
coefficients and x
FZ
values · Terms for noise level calculation according to
VDMA 24422 (edition 1.89)
Valve size
DN
15
20
25
32
40
50
65
80
100
K
VS
1)
· Standard version
4.0
6.3
8.0
16
20
32
50
80
125
x
FZ
0.5
0.45
0.4
0.35
K
VS
1)
· Special version
1.0
1.0 · 4.0
4.0 · 8.0
32
2)
80
x
FZ
0.6
0.5
0.45
0.4
K
VS
1)
· With flow divider
3.0
5.0
6.0
12
15
25
38
42
66
1)
K
VS
≤4: valve without balancing bellows
2)
Max. permissible ∆p: 25 bar
Содержание 2413 Series
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