These pumps are wet-installed type submersible motor pumps with non-clog impeller. pumps have a robust design for continuous duty operation for various slurry applications. Handling of all types of abrasive or aggressive waste water in water & waste water engineering as well as industry, especially untreated sewage containing long fibers & solid substances, fluids containing gas/air, as well as raw, activated & digested sludge; sea water desalination.