The Grundfos NB 65-250/270 A-F2-A-BQQE is a robust, single-stage, non-self-priming centrifugal standard block pump designed for a wide range of industrial applications including heating, air conditioning, and water supply. Featuring a cast iron pump housing and impeller, this pump ensures durability and reliable performance. It is equipped with a BQQE rubber bellows shaft seal, suitable for liquid temperatures from -25°C to +120°C and a maximum operating pressure of 16 bar. With a rated flow of 70 m³/h and a rated head of 38.6 meters, it delivers efficient fluid transfer. The pump operates on a 3 x 380-415 V, 50 Hz power supply and has an IP55 enclosure class and F insulation class for enhanced protection and safety.