The Grundfos NK 40-125/142 A2F2AE-SBQQE is a genuine Grundfos single-stage, end-suction centrifugal pump, identified by Grundfos Product Number 98973454. This standard baseplate pump is engineered for reliable liquid transfer across various industrial and commercial applications. It features a robust construction with a cast iron pump housing and impeller, complemented by a durable stainless steel shaft. The pump is equipped with an SBQQE mechanical shaft seal, comprising Silicon Carbide/Silicon Carbide/EPDM, ensuring performance within a liquid temperature range of -25°C to 140°C. It delivers a nominal flow of 15 m³/h and a nominal head of 12.5 m, with maximum capabilities reaching 20 m³/h flow and 16.5 m head. Operating at 2900 rpm, it incorporates a 142 mm impeller and conforms to EN 1092-2 flange standards for DN 40 pipe connections with a PN 16 pressure rating. The pump's motor provides a P2 power output of 1.5 kW.