Impeller is the most important wet-end spare part of a slurry pump. Centrifugal pumps need impellers to produce the centrifugal force which transfers the slurries. At CNSME, we have standard designed slurry impellers and as well as specially upgraded ones. 

The ones displayed on this page is called "RE1 Reduced Eye Impeller" for the 6/4AH centrifugal slurry pumps. With this new impeller, the pump's hydraulic and performance will be much different. 

Below is the curve of the 6/4AH pump with the impeller "E4145RE1A05".