The Grundfos CR155-4-1 A-F-A-V-HQQV is a genuine Grundfos vertical multistage centrifugal pump, identified by product number 99143268. This high-performance 55 kW, 50 Hz pump features a robust cast iron housing (EN JL1040) and durable stainless steel impellers (DIN W.-Nr. 1.4301, AISI 304). It is equipped with a primary HQQV shaft seal (Silicon Carbide/Silicon Carbide/Viton) for excellent chemical resistance and longevity. Designed with DIN standard flanges (DN 150, PN 25), it is suitable for a wide range of water applications, handling liquid temperatures from -20 to 120 °C. The pump operates on a 3 x 380-415D/660-690Y V power supply and incorporates an IE3 efficiency class motor, ensuring energy-efficient and reliable operation in demanding industrial and commercial environments. It has a maximum operating pressure of 25 bar and a net weight of 480 kg.