| 摘要 |
PROBLEM TO BE SOLVED: To provide a gas plug which is suppressed in a length in a gas circulation direction short.SOLUTION: In a gas plug which comprises, at a cylinder plug main body 2 having a gas flow passage 1 therein, a fuse mechanism H for preventing the excessive flow-out of gas in the gas flow passage 1, and a connecting part 5 disposed at an inner wall 2i of the plug main body 2 for connecting a gas pipe 4 to an upstream-side region 21 of the plug main body 2 so as to communicate with each other, the fuse mechanism H is constituted while protruding to an upstream-side end part 5u of the connecting part 5 rather than a downstream-side end part 5l of the connecting part 5, so as to be freely insertable into the gas pipe 4 which is connected to the connecting part 5. |
