Feature of the product: use of double casing , it has the character of high efficiency , wear-resistant, Stable performance and ecxellent changeable parts , the material of liner and impeller is adopt of wear-resistant metal or rubber , the discharge port can be positioned ar 8 differernt positions at an intervals of 45°. The pumps may be installed in multistage series , may be driven by belt or direct Connection, the seal of shaft may be adoptable of gland seal , expeller seal or mechanical seal, the direction of rotation from the drive end is clickwise Application: the pumps are suitable for deliverling abrasive , high density slurries in the metallurgical , mining, coal and power industrial departments , for example raw ore , middings , concentrates , gangues etc.