The Grundfos NK 65-160/143 A2F2AE-SBQQE is a high-performance, single-stage, non-self-priming end-suction centrifugal pump designed for various applications including water supply, industrial pressure boosting, and heating systems. Featuring a robust cast iron pump housing and stainless steel impeller and shaft, this pump ensures durability and reliable operation. It is equipped with an IE3 efficiency class motor, operating at 2900 rpm, delivering a rated flow of 50 m³/h and a rated head of 26.5 meters. The pump is designed for liquids within a temperature range of -25 to 120 °C and has a maximum operating pressure of 16 bar. It includes a SBQQE primary shaft seal and conforms to EN 1092-2 pipe connection standards with DN 80 suction and DN 65 discharge ports.