本文对弹簧直接作用式安全阀的密封特性进行了研究，通过对弹簧直接作用式安全阀实现密封的工作原理及各个密封件的密封力的分析，找到了影响弹簧直接作用式安全阀密封性的关键因素，提出了改善弹簧直接作用式安全阀密封性的方案。%The paper studies the spring direct acting safety valve sealing properties. Based on analyzing the working principle of spring direct acting safety valve and the seal force, it finds out the key factors influencing the spring direct acting safety valve sealing, and puts forward the improved spring direct acting safety valve sealing solutions.
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