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7.2.2.
pressure ranges
Maximum control pressure 2/2-way and 3/2-way valve:
actuator system
actuator size [mm]
B/C
40 - 100
(PA actuator)
D
40 - 80
(PPS actuator)
100 - 125
Operating pressure 3/2-way valve:
The permitted operating pressure for control function A is:
actuator
Max. operating pressure ∆ p [bar]
size
for dn (direction of flow 1 → 2)
[mm]
13/20
25
50
11
-
63
16
63
10
80
-
125
-
125
For control function F the maximum permitted operating
pressure is 16 bar.
16
Max. control pressure
10 bar
125
7 bar
10 bar
7 bar
Min. control
pressure
[bar]
32/40
50
4,4
-
-
4,9
9
6,0
14
3,4
10
4,3
english
7.2.3.
Minimum control pressures
incoming flow under seat
(medium flow against valve closing direction)
The required minimum control pressure P
actuator
size
[mm]
p
4,0 bar 3,9 bar 4,5 bar 5,0 bar 4,4 bar 3,2 bar
min
The following graphs illustrate the required minimum control pressure
depending on the medium pressure for control functions B and I
(incoming flow under seat).
4,7
Fig. 6:
Pressure graph, actuator ø 40, control function B and I
Type 2000/2002
Technical Data
for control function A is:
min
40
50
63
80
CFB / CFI
ø 40
Control pressure [bar]
100
125
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