The Grundfos NB 150-400/438 A-F1-A-BQQE is a genuine standard block pump, identified by part number 98974757. Designed for robust performance in industrial and commercial settings, this pump features a cast iron housing and a stainless steel impeller (EN 1.4301). It operates at a pump speed of 1470 rpm, delivering a rated flow of 200 m³/h and a rated head of 25.5 meters. The pump is equipped with a BQQE (SiC/SiC/EPDM) primary shaft seal and is suitable for liquid temperatures ranging from -25 to 120 °C, with a maximum operating pressure of 16 bar. It features a DN 150 pipe connection and a PN 16 pressure stage according to EN 1092-2 flange standard.