| 摘要 |
PROBLEM TO BE SOLVED: To provide an emergency shut-off device capable of being installed even in a channel for a fluid with a great flow rate.SOLUTION: When acceleration is added to a weight 61, the weight 61 falls for disconnection of an interposition and insertion member 62 connected to the weight 61, and a rack 55 is moved by a spring 53. A driven gear 43 connected to a valve body 22 of a valve 2 is rotated by an urging force of the spring 53 acting on the rack 55, and the valve 2 is closed. |
