Application Conditions - Burkert 6240 Manuel D'utilisation

4.4

Application conditions

Media: Neutral gases and liquids,
Technical vacuum
Ambient temperature: max. +55 °C
Permitted medium temperature depending on sealing material:
FKM –10 ... +140 °C
EPDM –30 ... +120 °C
PTFE/PEEK –40 ... +140 °C (+180 °C for DN6)
Permitted medium temperature for high-pressure variant (Code
MX31/MX32) depending on sealing material.:
PCTFE/FKM –10 ... +80 °C (+120 °C for MX31)
PCTFE/EPDM –30 ... +80 °C (+120 °C for MX31)
PCTFE/PEEK –40 ... +80 °C (+120 °C for MX31)
Degree of protection: IP65 with device socket
Operating duration: Unless otherwise indicated on the type
label, the solenoid system is suitable for
continuous operation.
Temperatures for valves with UL/UR approval
Media Seal material
Air, inert PTFE+EPDM (EA);
gas, EPDM+EPDM (AA);
vapour PTFE+FKM (EF);
FKM+FKM (FF)
Water PTFE+EPDM (EA);
EPDM+EPDM (AA);
PTFE+FKM (EF);
FKM+FKM (FF)
Air, inert FKM+FKM (FF)
gas,
vapour
Oil PTFE+FKM (EF);
(no. 2) FKM+FKM (FF)
note
Liquids and high differential pressure may cause high pressure
surges.
english
Variable Media Ambient
code temperature temperature
- –30...+140 °C –30...+55 °C
- / NA67 0...+100 °C 0...55 °C
NA67 0...+140 °C –10...+55 °C
- –10...+140 °C –10...+55 °C
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