EHO "Localization of Diaphragm for Pneumatic Actuator of Main Feedwater Control Valve" passed the appraisal

Release time:

2023-07-24 09:30

Keywords: Valves

On July 14, 2023, organized by China Machinery Industry Federation and China General Machinery Industry Association, and undertaken by EHO and Fujian Fuqing Nuclear Power Co., Ltd., the product appraisal meeting of "Pneumatic Actuator Diaphragm for Main Feedwater Regulating Valve" was successfully held. The project passed the appraisal of the expert committee.

26 experts and leaders from Shanghai Municipal Science and Technology Commission, Shanghai Academy of Social Sciences, Nuclear and Radiation Safety Center of the Ministry of Ecology and Environment, CAEA Nuclear Technology Support Center, Shanghai Nuclear Engineering Institute, CNNC Operation, China General Nuclear Engineering Corporation, Zhongyuan Operation and Maintenance Overseas Engineering Company, National Polymer Material Testing Center, National Nuclear Demonstration Power Plant, Huaneng Shidaowan Nuclear Power, Jiangsu Nuclear Power, China Nuclear Xiapu Nuclear Power, Fujian Fuqing Nuclear Power and other relevant units attended the meeting. At the appraisal meeting, Fuqing Nuclear Power introduced the background, objectives, technical requirements, and research significance of the research and development project; EHO made a statement on the research and development process, technical analysis, test verification process, optimized design and advanced technology adopted.

Nine experts from the Nuclear and Radiation Safety Center of the Ministry of Ecology and Environment, CAEA Nuclear Technology Support Center, Shanghai Institute of Nuclear Engineering, CNNC Operation, China Guangdong Nuclear Power Engineering Company, Zhongyuan Operation and Maintenance Overseas Engineering Company, National Polymer Material Testing Center, State Nuclear Demonstration Power Plant, Huaneng Shidaowan Nuclear Power and other units formed the appraisal committee. The Appraisal Committee conducted appraisal appraisal and on-site investigation on the project, and witnessed the test process of some important technical parameters of the product. After careful review and discussion by the expert group, it was unanimously determined that the research and development results of this project have reached the domestic leading level, and the domestic products are fully suitable for on-site working conditions and have excellent performance, which can meet the needs of localization substitution.

The successful completion of this product appraisal meeting means that Fuqing Nuclear Power and EHO once again worked together to solve a potential "stuck neck" risk, and realized the improvement of the reliability of key sensitive equipment, and eliminated a hidden danger of shutdown.

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