| 摘要 |
PROBLEM TO BE SOLVED: To restrain a thermal stress in an on-off valve and a vapor turbine.SOLUTION: The on-off valve comprises: a casing 11 provided with a flow passage 14 inside; a vapor inlet part 12 and a vapor outlet part 13 provided in an almost right-angle direction so as to be communicated with the flow passage 14 in the casing 11; a baffle 25 arranged on an inner face of the casing 11 opposed to the vapor inlet part 12, and guiding main vapor flowing from the vapor inlet part 12 toward the vapor outlet part 13; and a fastening bolt 26 for fixing the baffle 25 to the casing 11. |
