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通过弹簧刚度及排量安全裕量对安全阀运动稳定性影响机理的分析研究，建立了安全阀运动稳定性条件，并提出了一种避免安全阀频跳或颤震的最大允许弹簧刚度［K］和排量安全裕量［n］的计算公式。
Based on the analysis of the influence mechanism of the spring safety and displacement safety margin on the safety and stability of the safety valve, the conditions for the safety and stability of the safety valve are established and a maximum allowable spring rate [K ] And displacement safety margin [n].