The Grundfos NK 125-200/219 EUPA2F2AE-SBQQE is a robust single-stage centrifugal pump designed for diverse applications including water supply, industrial pressure boosting, industrial liquid transfer, and HVAC heating and cooling systems. Featuring a cast iron construction for the pump housing and impeller, it ensures reliable and efficient fluid handling. Key specifications include a rated flow of 125 m³/h, a rated head of 20 m, and an impeller diameter of 219 mm. The pump is equipped with a BQQE primary shaft seal (Silicon Carbide/Carbon/EPDM) and operates within a liquid temperature range of -25 to 120 °C, with a maximum operating pressure of 16 bar. It connects via DIN flanges (DN 125) and is powered by a 15 kW, 3 x 380-415 V, 50 Hz motor (type 160M) with IP55 enclosure and F insulation class.