| 摘要 |
PROBLEM TO BE SOLVED: To provide an economizer capable of almost evenly passing fluid through a heat transfer pipe. SOLUTION: The economizer is characterized in that an exhaust port formed in a tip of an inlet water supply pipe 5 is blocked by a lid member 15, an opening 16 opened toward an arrangement direction of the heat transfer pipes 7 is provided on a circumferential wall of the tip of the inlet water supply pipe 5, and the tip of the inlet water supply pipe 5 including the opening 16 is inserted into an interior of an inlet header 6 to fix the inlet water supply pipe 5 to the inlet header 6. COPYRIGHT: (C)2008,JPO&INPIT
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