The Grundfos NKE 32-200 (part number 99539638) is a genuine Grundfos single-stage, end-suction centrifugal pump featuring an electronically commutated motor (ECM) and an integrated frequency converter for precise speed control. This robust pump, model NKE 32-200/216 S2 A2 F2 AE-SBQQE, is designed for efficient transfer of clean, thin, non-aggressive liquids without abrasive particles or fibers. It is suitable for a wide range of applications including water supply, industrial pressure boosting, industrial liquid transfer, HVAC systems, and irrigation. Key features include a primary shaft seal (SBQQE) made of Silicon Carbide/Silicon Carbide/EPDM, a cast iron pump housing, and stainless steel impeller and shaft (EN 1.4301 / AISI 304). The pump operates with a rated power of 4 kW, 3 x 380-500 V, and has an IP55 enclosure class.