诸位朋友,这段关于离心泵的气蚀余量怎么来理解啊? UOP requires an NPSH margin of 2 feet (0.6 meters) or 15% of the NPSH required, whichever is greater. This margin is included in the system calculations. It is not included in the NPSH available reported in the data sheets. The pump NPSH required must be less than or equal to the NPSH available reported in the data sheets. 查看更多1个回答 . 1人已关注