| 摘要 |
PROBLEM TO BE SOLVED: To provide a pilot type three-position selector valve capable of manually adjusting a position of a piston rod of an actuator in a state that a spool valve is returned to a neutral position by return force of a return spring.SOLUTION: A switching mechanism portion 45 includes a first communication portion 46 communicating with a first output port 13, a second communication portion 47 communicating with a second output port 14, a first exhausting portion 49 communicating with the first communication portion 46 and further communicating with the external, and a second exhausting portion 50 communicating with the second communication portion 47 and further communicating with the external. The switching mechanism portion 45 further includes a first switching portion 57 for switching a communicating state of the first communication portion 46 and the first exhausting portion 49, and a second switching portion 58 for switching a communicating state of the second communication portion 47 and the second exhausting portion 50. |
