A hydraulic control valve which is equipped with two direction change- over valve groups individually having traveling change-over valves, and first and second hydraulic pumps corresponding to those direction change- over valve groups. The traveling section valve of one of the change-over groups is...
CONSTITUTION:A bridge passage, a tank passage and an intercommunication passage are disposed in section valves B to K equipped in connection plates A, H of first and second directional control valve groups 3, 4 connected to first and second hydraulic pumps 1, 2. There are provided signal ...
CONSTITUTION:A bridge passage, a tank passage and an intercommunication passage are disposed in section valves B to K equipped in connection plates A, H of first and second directional control valve groups 3, 4 connected to first and second hydraulic pumps 1, 2. There are provided signal ...