5
D
A
P R
3/2-way valve; in rest position output
A pressurized
E
A
P1 P2
3/2-way valve; in rest position,
pressure connection P2 connected to
output A. P1 closed
4.2
Application conditions
Ambient temperature
Standard: max. +55 °C
High temperature: max. +250 °C
Protection class
IP65 in accordance with DIN EN 60529 /
IEC 60529 with cable plug, e.g. Bürkert
Type 2508 or cable design
Operating duration
Unless otherwise indicated on the type
label, the solenoid system is suitable for
continuous operation
Important information for functional reliability during con-
tinuous operation: If standstill for a long period at least 1-2
activations per day are recommended.
Service life
High switching frequency and high pres-
sures reduce the service life
4.2.1
Permitted temperature
Permitted temperature depending on coil material and sealing
material:
Coil material
Sealing material
Medium
temperature
Epoxy,
Metal
1)
NBR
-10 - +90 °C
FKM
-10 - +130 °C
EPDM
-40 - +130 °C
PTFE
-40 - +180 °C
Steel
-40 - +180 °C
Metal
2)
Steel
-40 - +250 °C
Coil with electronic
3)
max. +90 °C
1)
Coil with metal housing and copper wire winding
2)
Coil with metal housing and aluminum wire winding
3)
Switching frequency: max. 6 switching operations/min
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