分析了一般弹簧直接作用式安全阀非正常泄漏的原因，提出了克服其非正常泄漏的方法。
The reason for abnormal leakage of general spring direct acting safety valve is analyzed and the method for overcome this abnormal leakage is proposed.
在介绍了温控阀原理的基础上，分析了感温包、隔膜和弹簧等关键元件，说明了它们的选择原则以及弹簧组的作用。
The key elements are discussed on the basis of theory of thermostatic valve, such as inductive temperature wrap, dissepiment and spring, the function of spring is explained.
拧紧防止阀板转动的内六角螺栓，其作用是防止阀板转动拧断弹簧。
Tighten the inner hexagon bolt whose function is to prevent valve disc from rotating and breaking the springs.
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