The Grundfos NB 40-125/139 A-F2-A-BQQE, product number 98144408, is a high-performance single-stage centrifugal pump designed for reliable fluid transfer. It features a robust cast iron housing (EN JL1040) and impeller, ensuring durability in demanding applications. The pump is equipped with a BQQE shaft seal (Silicon Carbide/Silicon Carbide/EPDM) for excellent sealing integrity. Powering the unit is an efficient IE3-rated MGE 90LB2-28FF165 motor, delivering 2.2 kW at 2900 rpm. This pump is suitable for a wide range of liquid temperatures from -25 °C to 120 °C and can handle a maximum operating pressure of 16 bar, making it ideal for heating, cooling, and water supply systems.