9
Technical Data
Maximum permitted medium pressure:
Permitted medium pressure depending on the medium temperature
with plastic valve body:
DN 65 - 100
10
8
6
4
2
20 40 60 80 100 120 140
PVC
PVDF
PP
Medium pressure [bar]
Medium temperature [°C]
Fig. 1:
Graph of medium pressure / medium temperature
Permitted pilot pressure*:
Orifice DN
(Diaph-
ragm size)
Actuator size
ø [mm]
Min. pilot
pressure [bar]
Max. pilot
pressure [bar]
65, 80
175
2
6
80, 100
225
2
6
*
Observe the permitted pressure range according to the
type label!
Pilot pressure for control function A:
Orifice DN
(Diaph-
ragm size)
Actuator size
ø [mm]
Pilot pressure [bar]
at medium pressure
0 bar
maximum
65
175
6
4.5
80
175
6
5.0
80, 100
225
6
5.0
Tab. 2: Pilot pressure CFA
The required minimum pilot pressure p
min
for control function B and I
depends on the medium pressure.
For the pressure graphs see operating instructions on the
Internet at:
english
Type 2030, 2031, 2032,
2033, 2037
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