Standardized centrifugal pump designed for pressurization, water circulation in conditioning and heating in commercial building service and irrigation in agriculture. Axial suction connector, radial delivery connector. The pump is engineered to allow disassembly of the bearings, impeller and seal without removing the pump body. KDNE can be coupled to an electric motor with two or four poles and mounted on a pressed steel base compliant to UNI EN 23661. Spiral body in cast iron compliant with DIN EN 733 (ex DIN 24255) cover for seal and motor support in cast iron, flanges in accordance with DIN 2533 (DIN 2532 for the DN 200). Cast iron or bronze impeller, closed and balanced with axial thrust compensation, functioning on request on interchangeable wear rings. Standard sealing device: standardized mechanical seal according to DIN 24960 in carbon-silicon carbide with EPDM OR rings.