| 摘要 |
PROBLEM TO BE SOLVED: To improve safety by increasing a frequency of gas leaking inspection of pipe arrangement to which a gas feeder is connected. SOLUTION: When a specific signal sent from a communicating means 5 is received by the gas mater 4, the gas meter 4 sends a signal commanding a shut-off valve 2b arranged in the regulator to shut gas stream, and shuts a shut-off valve 4b provided in the gas meter 4, moreover inspects gas leaking by measuring a pressure variation within a supply pipe arrangement 3 connecting the regulator 2 with the gas meter 4. COPYRIGHT: (C)2010,JPO&INPIT |
