The problem of cavitation of waterpumpimpeller was solved by means of localized treatment of the sealing ring of circulating pump.
通过采用新技术，对循环水泵密封环进行局部加工，解决了水泵叶轮汽蚀问题；
2
The causes of the circulating waterpumpimpeller cavitations are analyzed, and good results are achieved through the use of wear putty to repair the impeller.
分析了循环水泵叶轮汽蚀的原因，通过采用耐磨修补剂对叶轮修补的方法，取得了良好的效果。
3
Sprinkler pump shell cracks, or impeller, leaf damage, or seal damage, will affect the degree of vacuum, water pumping, water pressure is too small or the phenomenon.