A hydraulic valve system (1) has a supply connection arrangement, having a
high-pressure connection (P) and a low-pressure connection (T), a working
connection arrangement, having two working connections (A, B), which can
be connected with a hydraulic motor (2), and a directional valve (4)
between the supply connection arrangement (P, T) and the working
connection arrangement (A, B), which is connected with the working
connection arrangement (A, B) via working lines (17, 18), in which are
arranged check valves (21, 22), which can be opened by means of pressure.
