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在高温，易结胶的介质情况下，选择使用焊接金属波纹管机械密封是不恰当的。本文分析了上述选择的错误所在。提出了适用这一工况由液压波纹管与弹簧组成的机械密封。同时，提出了这类机械密封的设计方法以及设计、使用中应该考虑的问题
In the high temperature, easy to glue the case of media, choose to use welded metal bellows mechanical seal is not appropriate. This article analyzes the error of the above choice. A mechanical seal consisting of a hydraulic bellows and a spring is proposed for this condition. At the same time, the design method of such mechanical seal and the problems that should be considered in design and use are put forward