SCHALTVENTIL FUER HYDRAULISCHE STELLGLIEDER

摘要

The hydraulic control valve as described includes two precontrol valves, each of them capable of operating the valve slide element in a primary control fashion while the respective other of the precontrol valve performs auxiliary functions so that in total two sets of outputs can be controlled whereby in each case the secondary control function can be carried out persistently or intermittently for the duration of persistence of the primary control function.