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分析了某型船用海水安全阀在使用过程中存在密封面泄漏、回座压力不稳和材料易腐蚀等问题的原因。论述了更换阀体、密封面和弹簧的材料及阀门结构改进的试验结果。
The reasons of some sealing problems such as leakage of sealing surface, unstable pressure of back seat and material corrosion are analyzed during the operation of a marine safety valve. Discusses the replacement of the valve body, the sealing surface and the spring material and the valve structure to improve the test results.