The Grundfos NB 125-315/275 A-F2-A-BQQE is a genuine Grundfos standard block centrifugal pump, identified by product number 98808873. Engineered for reliable performance in various industrial and commercial applications, this robust pump features a durable cast iron housing (EN-GJL-250) and impeller (EN-GJL-200). It is equipped with a BQQE primary shaft seal (Carbon/Silicon Carbide/EPDM) for enhanced durability. Operating at 1450 rpm, it delivers a rated flow of 150 m³/h and a rated head of 21.6 m. The pump is designed to handle liquids with temperatures ranging from -25 °C to 140 °C and can withstand a maximum operating pressure of 16 bar. It connects via standard DIN flanges of DN 125 with a PN 16 pressure rating.