The stainless steel centrifugal pump uses the water cooling mechanical seal, extends the mechanical seal service life effectively.
不锈钢离心泵采用水冷却机械密封，有效延长机械密封使用寿命。
2
After retrofit of no. 1 circulating-waterpump pole-change in Jiujiang power plant, energy saving effect is obvious, it can reduce service power rate and increase total economy of units operation.
九江发电厂1号循泵变极改造后节能效果明显，对降低厂用电率、提高机组运行整体经济性的效果显著。
3
While vessel is in port cooling sea water is supplied by port service cooling sea waterpump, Marine growth preventing system is very difficult to use and not safety for operation, to be solved.