The HZD and HQB type 1E core-ridge valve electric devices, developed by Jiangsu Changzhou Power Station Auxiliary Machinery Co., Ltd., have recently successfully passed a technical appraisal organized by the China Machinery Industry Federation and the Jiangsu Provincial Science and Technology Commission. Experts from the industry praised the achievement, highlighting that the successful development of these nuclear-grade electric valve devices marks significant progress in the localization of nuclear power equipment. This breakthrough is expected to drive technological innovation and enhance the competitiveness of China's nuclear power industry.
According to reports, the product was designed based on the requirements for the localization of nuclear power equipment and the latest foreign 1E-class electric device technologies. It also incorporates specific design needs provided by end users. The device has undergone rigorous testing, including basic performance, thermal aging, pressure cycling, mechanical wear aging, radiation aging, and seismic resistance. These tests were conducted by reputable institutions such as the Shanghai Nuclear Industry Research Center, the 800th Research Institute of the Shanghai Aerospace Bureau, and the Sichuan Nuclear Power Design Institute. Additionally, the Shanghai Nuclear Engineering Research and Design Institute and other relevant organizations have confirmed the device’s environmental adaptability and reliability.
This development represents a major step forward in China’s efforts to build a self-reliant nuclear power industry. With this new technology, domestic manufacturers are better positioned to meet growing demands while reducing dependency on foreign suppliers. The successful certification of the HZD and HQB series underscores the country’s increasing capability in high-level nuclear technology development. As the global nuclear energy sector continues to expand, such innovations will play a crucial role in ensuring safety, efficiency, and sustainability in future power generation projects.
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