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Fangchenggang Nuclear Power Plant 3, 4 unit nuclear island m
Hydraulic dampers are used to connect steam generators or reactor coolants and concrete walls to allow free and slow movement of steam generators and reactor coolant due to changes in reactor coolant system temperature and pressure during normal or disturbed conditions; Under the conditions of earthquake or pipeline breakage, it can limit the excessive instantaneous movement of steam generator and reactor coolant.
The damper is designed and manufactured in accordance with the RCC-M specification H. The specification level is S1 and the safety level is Q1.
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