| 摘要 |
According to one embodiment, there is provided a steam valve apparatus (21) including a main throttle valve (1), a steam control valve (2) arranged on a downstream side of the main throttle valve (1), and an intermediate flow-channel part (30) which connects the main throttle valve (1) and the steam control valve (2). The intermediate flow-channel part (30) is a circular pipe flow channel forming a circular arcuate shape so as to change a flow of steam, which has flowed out of the main throttle valve (1), from a perpendicular direction into a direction of flowing out into the inlet part (43). An outlet part (44) is open upward, and a valve rod (47) penetrates a lower part of a casing (41) downward. |
