Parker - DSA PROP PRESS RELIEF, SOLENOID OPERATED, PILOTED




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The function of the proportional pressure relief valve series DSA is similar to a mechanical adjusted valve, series DSD, where the pressure of the pilot stage can be electrically adjusted. When the solenoid is not energized the pilot stage is spring loaded open, unloading the main stage. The Y port can be connected to B (Tank) as long as the tank line pressure does not exceed 10 Bar (145 PSI). Otherwise a separate drain has to be used.

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