| 摘要 |
<p>PURPOSE: To provide a control valve especially constructed to have a variable priority function incorporated in a load hold check valve, regarding the control valves of various hydraulic devices. CONSTITUTION: A control valve is provided with at least two or more actuators operated by a single pump, and applied to a hydraulic device where the priority of one of the other actuators is secured over any one of the actuators. The control valve is provided with a poppet part 12a installed between the two ports 3a and 3b of a parallel flow path 2 and the actuators to completely open the parallel flow path 2 during a full-stroke movement, and partially open the same during a limited stroke movement, and a load hold check valve 11 having a pressure setting spring 12 for applying an elastic bias such that the poppet part 11a has the initial state of closing the parallel flow path.</p> |
