The Grundfos 98973520 is a genuine NKE 65-200/198 A2F2AE-SBQQE speed-regulated standard foundation pump. This high-efficiency end-suction centrifugal pump is designed for reliable performance in various applications including water supply, industrial boosting, heating, and air conditioning systems. Featuring an integrated MGE motor with IE3 efficiency, it delivers a rated flow of 80 m³/h (22.22 L/s) and a rated head of 45.4 meters with 18.5 kW power. The pump housing is constructed from robust cast iron (EN-GJL-250) and the impeller from stainless steel (DIN W.-Nr. 1.4301 / AISI 304), ensuring durability. It operates within a liquid temperature range of -25 to 120 °C and handles a maximum operating pressure of 16 bar. The pump is equipped with a BQQE primary shaft seal and conforms to DIN flange standards with a DN 65 / PN 16 pipe connection.