Samson 41-23 - Page 22

3-6 EB 2512 EN
Design and principle of operation
Table3-2: Max. permissible pressure at actuator
Set point ranges Max. perm. pressure above the set point adjusted at the actuator
Diaphragm actuator
0.05to0.25bar·0.1to0.6bar 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·8to16bar 10bar
Bellows
actuator
2to6bar·5to10bar 6.5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
Set point adjusted: 0.8bar
Max. permissible pressure at the actuator: 0.8bar+1.3bar=2.1bar
Table3-3: K
VS
coefcients 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ow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
Note