Burkert 2000 - Page 9

Type 2000
Technical data
english
9
5.4.1 Temperature ranges
Actuator
size [mm]
Actuator
material
Medium temper-
ature (for PTFE
seal) [°C]
1
Ambient temper-
ature
2
[°C]
ø40 … ø63 PA −10 … see fig. 2 −10 … see fig. 2
ø80 …
ø125
PA −10 … +180 −10 … +60
ø40 … ø80 PPS −10 … see fig. 3, 4 +5 … +140
ø125 PPS −10 … see fig. 5 +5 … +90
3
Tab.2: Temperature ranges
Ambient
temperature [°C]
Medium
temperature (°C)
Fig.2: Temperature range of maximum medium and ambient tem-
perature for PA actuators
Usage limits of the armature
Temperature [°C] Pressure (bar)
−10 … +50 25.0
100 24.5
150 22.4
200 20.3
230 19.0
Tab.3: Derating the medium pressure as per DINEN12516-1/
PN25
Temperature [°C] Pressure (bar)
−29 … +38 19.0
50 18.4
100 16.2
150 14.8
200 13.7
230 12.7
Tab.4: Derating the medium pressure ASMEB16.5/ASMEB16.34
CI.150
1
For applications at Tmax >130°C a PEEK seal is recommended.
2
When using a pilot valve the max. ambient temperature is +55°C.
3
briefly up to a max. of 140°C