Burkert 2301 Series Skrócona instrukcja obsługi - Strona 9
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Technical data
7.4
Operating conditions
Observe permitted ranges on the type label of the
device!
7.4.1 Temperature ranges for actuators
Actuator size [mm]
Ambient
ø 50, 70
-10 - +60 °C
ø 90, 130
-10 - +100 °C
Tab. 1:
Temperature ranges for actuators
1) When using a control, observe and comply with the max.
ambient temperature of this component.
2) Pilot air ports with push-in connector
3) Pilot air ports with threaded bushing
The globe control valve is suitable for steam
sterilization.
7.4.2 Temperature range of valve seat seal
Recommendation for the valve seat seal of leakage classes III
and IV: Steel / Steel.
Valve seat seal for leakage class VI:
For medium temperatures up to max. 130 °C:
For medium temperatures over 130 °C:
Type 2301
1)
2)
3)
PTFE
PEEK
7.4.3 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 con-
troller in the chapter entitled "Technical data".
7.4.4 Pressure ranges
Maximum pilot pressure for valves without pneumatic control
units
Actuator size [mm] Max. permitted pilot pressure
ø 50, 70, 90
10 bar
ø 130 mm
7 bar
Tab. 2:
Pilot pressure for valves without pneumatic control units
4) Observe the maximum pressure range according to the type
label!
english
4)
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