| 摘要 |
A control valve device 100 includes a valve block 30 that switches the flowing direction of a working fluid supplied to and discharged from a boom cylinder 85 and an arm cylinder 75 (actuators). The valve block 30 includes an actuator port 33 connected to the boom cylinder 85, and a supply port 31, a discharge port 32, and a regeneration port 34 communicating with the actuator port 33. A supply valve 1 is provided between the actuator port 33 and the supply port 31, and a discharge valve 2 is provided between the actuator port 33 and the discharge port 32. |
