【摘要】 通过对国内几家大型石化企业进口柱塞泵的调查，了解到柱塞泵管路系统一些常见的失效形式，分析了失效原因，提出了改造方案。认为空气室的正确使用及易损件问题，尤其是柱塞填料密封对泵正常运行的影响等问题应引起现场人员的足够重视。更多还原

【Abstract】 Through the investigation of the imported plunger pumps in a few domestic petro-chemical plants,the common failure models in pipeline systems of a plunger pump are knowed, and failure causes and the reform plans are given.For the concerned technicians,Special attention must be put to the correct uses of air chambers and the effects of easy-to-wear components,especially plunger packing to mormal operation of a plunger pump.更多还原