Burkert Type 2037 - Manual (Page 9)

9
TechnicalData
6.4 Operating conditions
Warning!
danger of bursting from overpressure!
If the device explodes, there is a risk of serious injury, chemical
burns, scalding!
▶ Do not exceed the maximum control and medium pressure.
Observe specifications on the type label!
▶ Observe permitted ambient and media temperature.
6.4.1 allowable temperatures
ambient temperature for actuators:
material size ø temperature
PA 40 – 125 mm -10 – +60 °C
PPS
40 – 80 mm +5 – +140 °C
100 mm,
125 mm
+5 – +90 °C
(briefly up to +140 °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
6.4.2 maximum permitted medium pressure
Permitted medium pressure depending on the medium temperature.
Plastic body:
DN 15 - 65
10
8
6
4
2
20 40 60 80 100 120 140
PVC
PVDF
PP
Medium pressure [bar]
Temperature [°C]
Fig. 3: Graph of medium pressure / Medium temperature
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Type 2030, 2031, 2031 K, 2032,
2033, 2037