This paper introduced the application of 4113P5 pump in Ningxia Petrochemical Company of Petrochina , analied the reasons of high - vibration number and resovled meants.

• 介绍了中国石油宁夏石化公司4．113-P5泵使用情况,分析4113-P5泵振值高的原因及处理方法。