Burkert Type 2301 - Manual (Page 8)

8
Technical data
Type 2301
7.4. operating conditions
Observe permitted ranges on the type label of the device!
7.4.1. Temperature ranges
actuator
size
[mm]
actuator
material
medium
environment 1) seat seal
steel - steel seat seal
Ptfe - steel
ø 50
PPS
-10 ...
+185 °C -10 ...
+130 °C
0 ...
+60 °C
2)
0 ...
+100 °C
3)
ш 70
ш 90
ш 130
Tab. 1: Temperature ranges
1)
If a pilot valve/control unit is used, the max. ambient
temperature is +55 °C.
The globe control valve is suitable for steam sterilization.
2)
Pilot air ports with push-in connector
3)
Pilot air ports with threaded bushing
7.4.2. control medium
In conjunction with pneumatic control units (positioner and process
controllers), pilot air according to DIN ISO 8573-1 must be used:
• Class 3 (for water content)
• Class 5 (for dust and oil content).
The specification is described in detail in the operating
instructions of the respective positioner / process controller
in the chapter entitled “Technical data”.
7.4.3. Pressure ranges
maximum pilot pressure for valves without pneumatic control units
actuator size (mm) actuator material
max. permitted
pilot pressure
4)
ø 50
PPS
10 bar ш 70
ш 90
ш 130
7 bar
Tab. 2: Pilot pressure for valves without pneumatic control units
4)
Observe the maximum pressure range according to the
type label!
minimum control pressure P
min
for control function a
actuator size
[mm] 50 / 70 / 90 130
(Connection size
32 – 50 mm)
130
(Connection size
65 – 100 mm)
P
min
[bar] 5.5 5.5 5.6
Tab. 3: Minimum control pressure for CFA
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