The Grundfos NKE 65-250/254 S2 A2 F2 AE-SBQQE (Product No. 99539746) is a high-efficiency, speed-regulated single-stage end-suction centrifugal pump. Designed with an axial suction port and radial discharge port, this robust pump features a back pull-out design for easy maintenance. It is equipped with an IE3 efficiency class 18.5 kW motor, suitable for 3x 380-480V, 50 Hz power supplies. The pump housing and impeller are constructed from durable cast iron (EN JL1040). Ideal for water supply, industrial pressure boosting, HVAC systems, and irrigation, it handles liquids from -25 to 120 °C with a maximum operating pressure of 16 bar. Connections include DN 80 suction and DN 65 discharge ports, conforming to EN 1092-2 PN16 standards.