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General Administration of Quality Supervision, Inspection and Quarantine announced results of national supervision and inspection of mechanical seal products
The General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China recently released the results of a state-level supervision and inspection campaign targeting 29 types of mechanical seal products across seven provinces and municipalities directly under the Central Government, including Tianjin, Liaoning, and Zhejiang. The overall pass rate for physical sampling of these products was an impressive 99.5%, reflecting a high level of compliance with quality standards.
However, during the testing process, some issues were identified. One product failed during the leak test due to the rupture of the rubber bellows during the operational test, which prevented the continuation of the running test. Additionally, a few products experienced problems such as excessive wear on the carbon graphite seal rings and failure in the air-tightness test. These findings highlight the importance of continuous quality control and the need for manufacturers to address potential weaknesses in their designs and materials.
The results underscore the effectiveness of the current regulatory framework while also pointing out areas that require further improvement. Manufacturers are encouraged to review their production processes and implement necessary adjustments to ensure full compliance with national standards and enhance product reliability. This ongoing effort is crucial for maintaining consumer trust and supporting the growth of the mechanical seal industry in China.
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