Sunbo Pump stocks a range of slurry pump parts which have been developed for abrasive applications in mines, quarries, sand and gravel etc, and are used widely across the globe in mineral processing and all other solid mixture applications.  All Sunbo Pump aftermarket slurry pump parts save you money and energy of your slurry pump parts ...

http://http://www.sunbopump.com/Metal-Parts/Slurry-Pump-Expeller-Ring-Metal-Wear-Parts-136.html

The Expeller EAM028 is a dynamic component in the slurry pumps with centrifugal seal, which has vanes to reduce the pressure on the shaft. The principle of the expeller seal is that the total pressure produced by the expeller vanes is greater than the pressure generated by the main impeller vanes plus the inlet pressure.       & ...

http://http://www.sunbopump.com/Metal-Parts/Slurry-Pump-Expeller-DAM028-EAM028-Expelelr-Ring-DAM029-EAM029-273.html