MD (P) balanced type of wear-resistant multi-stage centrifugal pump for coal mine is developed on the basis of advanced technology introduced, digested and absorbed. The product has high efficiency, good cavitation performance, and the key is stable and reliable operation. It is suitable for coal, mines, factories and other occasions to transport neutral mine water and other similar sewage with solid particle content not more than 1.5% (particle size less than 0.5mm), temperature not more than 40 degrees centigrade.