Centrifugal pumps; hydraulic pumps; sludge pumps; dredging pumps; drainage pumps; sewage pumps; effluent pumps; sump pumps; slurry pumps; submersible pumps; parts and fittings for all the aforementioned goods in the nature of casings, impellers, shafts, wear plates, inducers, O-Rings, screens, filters, sleeves, and hoses