Hydraulic Proportional Solenoids

Proportional solenoids represent the linking element between electronic and hydraulic. The proportional solenoids are a form of DC linear solenoids. Proportional to the electrical current as the input variable, the produce force and travel as the output variable.

Corresponding to the practical application, a differentiation is made between:

– Solenoids with comparatively linear stroke/current relationship over a reasonably long stroke length, the so-called “stroke controlled solenoid”.
– Solenoid with particularly defined force/current relationship over a very short stroke, the so-called ” force controlled solenoid”.

Only DC linear solenoid can be used for the current-proportional changes in the output variable force and stroke. Due to their stroke dependent current consumption, AC solenoid must assume their final stroke position as soon as possible.

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