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Position After Failure
The position of the actuator after a failure depends on the:
ϭ͘
Principle of operation (see paragraph 4.3)
Ϯ͘
Assembly codes (see paragraph 4.4)
ϯ͘
Kind of failure. Refer to the table below.
Table 5.
Position After Failure
ϰ͘ϯ
Principles of Operation
ϰ͘ϯ͘ϭ
Solenoid Valve
All actuators can be either piped with solid or flexible tubing with the solenoid valve
mounted remotely from the actuator or by mounting a VDI/VDE 3845 (NAMUR)
designed solenoid valve DIRECTLY onto the NAMUR mounting pad on the side of the
actuator
Figure 4
Typical solenoid operation
Spring-Return Operation
Double-Acting Operation
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