North China Regional Office of Nuclear and Radiation Safety Supervision, Ministry of Ecology and Environment, Conducts On-Site Supervision of Main Pump Shaft Design and Manufacturing at Shanghai Electric KSB Nuclear Pump and Valve Co., Ltd.
To continuously enhance the localization quality of active equipment such as main pumps and the effectiveness of key technology improvements, the North China Regional Office of Nuclear and Radiation Safety Supervision (hereinafter referred to as the North China Office) of the Ministry of Ecology and Environment recently conducted on-site supervision of the wet winding main pump shaft design and manufacturing activities at Shanghai Electric KSB Nuclear Pump and Valve Co., Ltd. This supervision focused on the quality reliability of design improvement measures for main pumps, conducting detailed inspections on the standardization of design change processes, verifying key processes such as material acceptance, heat treatment, and hot sleeve assembly, with particular attention to the correlation between improvement measures and root cause analysis, the effectiveness of improved processes, and the compliance of various inspection and test results. It also required...
2026-07-30
