The Grundfos NB 50-160/131 A-F2-A-BQQE, identified by part number 2G766Z, is a genuine Grundfos non-self-priming, single-stage centrifugal pump. This robust pump features a cast iron housing and impeller (EN JL1030) and is equipped with a BQQE primary shaft seal (Silicon Carbide/Silicon Carbide/EPDM). It delivers a rated flow of 25 m³/h and a rated head of 12.8 m, supporting a maximum operating pressure of 16 bar. Powered by a 5.5 kW IE3 motor, it ensures high energy efficiency. It is suitable for liquid temperatures ranging from -25 to 120 °C and ambient temperatures from -20 to 60 °C. The official Grundfos article number for this pump is 98667846. Key approvals include CE, EAC, WRAS, and NSF61, making it suitable for various industrial and commercial applications.