| 摘要 |
<p>The present invention relates to an indicator for movement and location of a valve. According to the present invention, a user can confirm a position where the valve is opened and closed in a long distance by the naked eye in the case of the operation of the valve to be manually or remotely operated, thereby facilitating the operation. In addition, the valve maintains the final position thereof in the case of a power cut, thereby fundamentally preventing an accident due to a mistake of the user according to the confirmation of the position of the valve.</p> |
