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在解体大量失效温度控制阀（以下简称温控阀）和感温元件的基础上，详细分析了温控阀失效的原因，认为感温元件失效是温控阀不良的主要原因，而橡胶膜片密封不良又是感温元件失效的主要原因，最后提出了改进意见。
Based on the disassembly of a large number of failure temperature control valves (hereinafter referred to as temperature control valves) and temperature sensing elements, the causes of the failure of temperature control valves are analyzed in detail. Failure of the temperature sensing elements is the main reason for the poor thermostatic valve, Poor sealing is the main reason for failure of the temperature sensing element, and finally put forward suggestions for improvement.