上海石化旋转阀核心部件国产化

Core Viewpoint - Shanghai Petrochemical has successfully achieved the complete localization of the core sealing component rotor plate of the S-601 rotary valve in its aromatic division, marking the first domestic production of this component and breaking the long-standing foreign monopoly [1] Group 1: Localization Achievement - The S-601 rotary valve, previously imported, had its rotor plate subject to high technical barriers, leading to reliance on foreign suppliers [1] - To address this "bottleneck" issue, Shanghai Petrochemical formed a specialized team with East China University of Science and Technology and Yangzhong Sanli Machinery Co., Ltd. in December 2024 to initiate domestic development [1] - The team completed the first prototype by June 2025 and optimized key indicators, achieving product acceptance by October of the same year [1] Group 2: Performance and Implementation - The domestic rotor plate was installed during a maintenance window in November 2025, demonstrating excellent sealing performance and stable operation, meeting the expected targets [1]