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迄今为止，螺栓法兰连接的设计都是以强度为依据的，并没有考虑连接是否紧密。本文提出了表征垫片高温性能的基本方程和垫片密封性能实验数据的修正方法，在考虑工况、介质特性对连接性能影响的基础上，建立了基于最大允许泄漏率的垫片密封连接设计方法。
To date, the design of bolted flange connections has been based on strength without regard to the tightness of the connection. In this paper, the basic equations for characterizing the high-temperature performance of gaskets and the correction method for experimental data of gaskets sealing performance are put forward. Based on the influence of working conditions and medium characteristics on the connection performance, a design of gaskets sealing connection based on the maximum allowable leakage rate method.