| 摘要 |
PROBLEM TO BE SOLVED: To provide the nozzle diaphragm for a steam turbine excellent in a repair property and attained an operation term reduction and cost reduction relating to the repair of the nozzle diaphragm. SOLUTION: In this nozzle diaphragm for a steam turbine, a nozzle diaphragm body 20 having a nozzle diaphragm inner wheel 13, nozzle diaphragm outer wheel 12 and reinforcement rib 17 is constructed differently from a nozzle ring 18 having a nozzle plate 14 and the nozzle ring can be attached/detached against the nozzle diaphragm body.
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