The Grundfos NK 40-200/198 A2F2AE-SBQQE (Product No. 98973572) is a high-performance, single-stage, end-suction centrifugal pump designed for a wide range of industrial, commercial, and public utility applications. This robust bare shaft pump head features a cast iron construction for both the pump housing and impeller, coupled with a durable stainless steel shaft, ensuring longevity and reliable operation. It is ideal for liquid transfer, pressure boosting, heating, air conditioning, and cooling systems. The pump delivers a rated flow of 18 m³/h and a rated head of 30.5 meters at 2900 rpm. It is equipped with an advanced SBQQE shaft seal (Silicon Carbide/Silicon Carbide/EPDM) for superior sealing performance. The pump has a suction port of DN 65 and a discharge port of DN 40, both rated for PN 16 pressure.