| 摘要 |
PURPOSE: A gas meter having a sealing device is provided to minimize costs and time required for sealing with a simple configuration because a sealing device and a gas meter are formed in to a body. CONSTITUTION: A gas meter comprises a joining hole(130), a sealing device(140), and a sealing key(150). The joining hole is formed in one side of the gas meter and a female screw is formed in the inner circumference of the joining hole. The sealing device is inserted into and joined to the joining hole. A male screw is formed in the outer circumference of the sealing device, thereby controlling a flow of a gas. The sealing key circulates the sealing device comprising a head part, a joining part, and a sealing part. The head part is projected outward to the joining hole and the joining part is connected to the head part and comprises a through-hole where the gas passes through. The sealing part prevents a gas intake from a lateral surface by being connected to the joining part.
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