Burkert 2030 Manuel D'utilisation page 9

Type 2030, 2031, 2031 K, 2032,
2033, 2037
Technical Data
Medium temperature for housing:
Housing material
Stainless steel
PVC (see PT-graph)
PVDF (see PT-graph)
PP (see PT-graph)
Tab. 2: Medium temperature for housing
Medium temperature for diaphragms:
Material
Temperature
EPDM / PTFE -10 ... +130 °C Steam sterilization up to +150 °C
FKM -5 ... +130 °C
Tab. 3: Medium temperature for diaphragms
6.3.2. M aximum Permitted Medium Pressure
Permitted medium pressure depending on the medium temperature.
DN 65 - 100
10
8
6
4
2
Temperature [°C]:
Fig. 3: Graph of medium pressure / Medium temperature
Temperature
-10 ... +140 °C
-10 ... +60 °C
-10 ... +120 °C
-10 ... +80 °C
Remarks
Dry up to +150 °C
Otherwise only briefly up to +150 °C
PVDF
PP
PVC
20 40 60 80 100 120 140
Maximum permitted medium pressure for control function A
The values apply to housing made of:
• Plastic,
• VA forged steel and VA precision casting, VA block material as well
as VA tube-formed housing with socket, DIN welding neck flange and
welded connection in accordance with EN ISO 1127 (ISO 4200).
Orifice Actuator Max. sealed medium pressure [bar]
(Diaphragm size ø
Pressure on one
size) [mm]
DN [mm]
EPDM/
65 175
175
80
225
100 225
Tab. 4: Maximum permitted medium pressure CFA
english
Pressure on both
side sides
PTFE EPDM/
FKM FKM
8.0 5.0 5.0
5.0 4.5 2.5
10.0 10.0 6.0
8.0 4.0 3.5
PTFE
4.5
2.0
4.5
1.5
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