ALLWELIER – NB 25-200 – CENTRIFUGAL PUMP

The Allweiler NB 25-200 is a highly efficient, single-stage end-suction volute casing centrifugal pump designed in a compact block configuration for space-saving installations. It is engineered for the smooth transfer of clean or slightly contaminated liquids, making it ideal for marine cooling systems, water treatment, and industrial circulation duties. Technical specifications feature a nominal suction branch diameter of 25 mm, an nominal impeller diameter of 200 mm, and a nominal flow capacity averaging 5 to 9 m³/h with delivery heads reaching up to 40 to 50 meters. It operates reliably at speeds up to 3500 rpm, supports a maximum discharge pressure of 10 bar (up to 16 bar for specific configurations), and safely accommodates liquid temperatures up to 140°C.