Burkert Type 3239 - Manual (Page 9)

9
Technical data
6.3.1 allowable temperatures
ambient temperature for actuators:
material temperature
PPS Up to 130 °C (briefly up to 150 °C)
Stainless steel Up to 130 °C (briefly up to 150 °C)
Gray cast iron Up to 130 °C (briefly up to 150 °C)
Tab. 1: Ambient temperature for actuators
medium temperature for body:
Body material temperature
Stainless steel -10 ... +140 °C
PVC (see PT-Graph) -10 ... +60 °C
PVDF (see PT-Graph) -10 ... +120 °C
PP (see PT-Graph) -10 ... +80 °C
Tab. 2: Medium temperature for body
medium temperature for diaphragms:
material temperature remarks
EPDM
-10 ... +130 °C Steam sterilization up to +150 °C
PTFE
FKM
-5 ... +130 °C
Dry up to +150 °C, otherwise only
briefly up to +150 °C
Tab. 3: Medium temperature for diaphragms
6.3.2 maximum permitted medium pressure
Permitted medium pressure depending on the medium temperature:
DN 15 - 65
10
8
6
4
2
20 40 60 80 100 120 140
PVC
PVDF
PP
Temperature [°C]
Medium pressure [bar]
Fig. 3: Graph of medium pressure / Medium temperature
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Type 3232, 3233, 3233 K, 3234,
3235, 3239