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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 national supervision and inspection campaign targeting 29 types of mechanical seal products across seven provinces and municipalities, including Tianjin, Liaoning, and Zhejiang. The overall pass rate for physical sampling of these products was an impressive 99.5%, reflecting generally high compliance with quality standards.
However, some issues were identified during the testing process. One particular product failed during the leak test due to the rupture of its rubber bellows during the operation test, which prevented the running test from being completed. Additionally, a few products showed signs of wear on their carbon graphite seal rings, and some also failed the air tightness test. These findings highlight the importance of continuous quality control and improvement in the manufacturing of mechanical seals.
The results underscore the need for manufacturers to pay close attention to material durability and design integrity, especially in critical components like the rubber bellows and seal rings. Authorities are likely to take further actions to ensure that all products meet the required safety and performance standards before they reach the market. This inspection serves as a reminder of the ongoing efforts to maintain high-quality industrial products in China.
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