| 摘要 |
A gas shutoff device of the present invention is configured such that a control section determines that it inhibits a shutoff section from being returned from a shutoff state to a supply state, when a vibration has been detected by a vibration detecting section and a fluid pressure measured by a pressure measuring section has decreased to a value equal to or less than a predetermined pressure value. For example, the control section causes the shutoff section to switch to the shutoff state and disenables the return section to return the shutoff section to the supply state, when one of the vibration and the fluid pressure decrease has been detected and then the other has been detected within a predetermined time. |
