| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a gas supply system capable of decreasing opening and closing frequency of a cutoff valve.SOLUTION: A gas supply system 10 comprises: a gas supply route L1 to supply gas from a gas supply source to a consumer; a control valve 2 which is installed on the gas supply route L1 and controls supply pressure of the gas to the consumer; a cutoff valve 3 which is installed on the gas supply route L1 and cuts off supply of the gas to the consumer; pressure measuring means which is installed on the gas supply route L1 and measures the supply pressure of the gas to the consumer; a determination section which determines opening or closing of the cutoff valve on the basis of a value of the supply pressure measured by the pressure measuring means; and a control section which allows the cutoff valve to open or close on the basis of determination of the determination section.</p> |
