Samson 2417 Series Mounting And Operating Instructions page 18

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