| 摘要 |
PURPOSE:To secure the entrance pressure of a burning appliance by arranging inner and outer valve type pressure regulators respectively to a gas supply pipe line and performing the gas supply from higher low pressure side pressure in preference from either of the two system pressure regulators based on the state of original pressure side pressure. CONSTITUTION:In two LPG vessels 21 and 22, an outer valve type pressure regulator 23 and an inner valve type pressure regulator 24 are respectively connected. The two pressure regulators 23 and 24 are parallely connected to a bus supply tube 25, and the gas supply tube 25 is connected to burning appliance through a gas meter. In such a case, the gas supply is performed from the higher low pressure side pressure in preference from either of the two system pressure regulators 23 and 24 based on the state of original pressure side pressure. Thus, the increase of the pressure loss on the gas supply path is absorbed, and the entrance pressure of the burning appliance can be secured. |
