| 摘要 |
PROBLEM TO BE SOLVED: To provide a pilot type solenoid valve system having a pilot valve part and enabling a change into a normally closed state or a normally open state only by a direction change of a flow path change-over structure mounted on a body valve part. SOLUTION: The pilot type solenoid valve system for a pilot type solenoid valve 1 includes the pilot valve part 2, and the body valve part 7, the pilot valve part 2 being a three-way valve and having the flow path change-over structure 4 mounted on the body valve part 7, the pilot type solenoid valve 1 being changed over into (1) the normally closed state or (2) the normally open state by a 180° direction change of the flow path change-over structure 4. COPYRIGHT: (C)2011,JPO&INPIT
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