Slurry Pump Parts Introduction: The slurry pump impellers can be made of high chrome, ceramic, stainless steel , rubber, polyurethane,cast iron, and or the latest in ceramic materials for longer service life and higher efficiency. The slurry pump Impeller is the main rotating parts which normally has vanes to transfer the centrifugal force to the liquid. As producer of slurry pumps with casting foundry shop, Muyuan can offer many kinds of pump impellers, such as the colsed type or the open type slurry pump impellers.