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液压缸往复运动组合密封装置的研究和使用,是从六十年代末期开始,西德和日本最先致力于此项工作,研制了著名的Simko组合密封圈。此后,美、英、法等国相继进行这类新型密封装置的研究,并成功地应用于各自的液压机械产品中。近十年来,随着液压缸往复运动组合密封装置的应用,其结构和技术上的先进性、密封性能的可靠性已被确认,逐渐形成了系列。国际标准化组织
Hydraulic cylinder reciprocating combination seal research and use, from the late sixties, West Germany and Japan first committed to this work, developed the famous Simko seal ring. Since then, the United States, Britain, France and other countries have conducted such a new type of seal research, and successfully applied to their hydraulic machinery products. Over the past decade, with the hydraulic cylinder reciprocating combination seal application, the structure and technical advances, the reliability of the sealing performance has been confirmed, and gradually formed a series. International Organization for Standardization