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Grundfos NB32-125 Series Close Coupled End Suction Pumps (Max 600LPM/280kPa)

Grundfos NB32-125 Series Close Coupled End Suction Pumps

The Grundfos NB32-125 Series are robust, close-coupled end-suction pumps designed for reliable operation in a wide range of clean water and light industrial liquid handling applications. These non-self-priming, single-stage centrifugal pumps feature a horizontal shaft design with an axial suction port and radial discharge port, built for smooth, unimpeded liquid flow and minimal energy loss.

The NB32-125 is engineered with optimised pump hydraulics and a dynamically balanced impeller, ensuring maximum efficiency and long-lasting performance. The durable cast iron pump housing combined with bronze or stainless-steel wear parts provides excellent corrosion resistance and extended pump life, even when handling slightly contaminated liquids free from abrasive solids.

Each pump is directly coupled to a robust IEC-flanged three-phase motor running at 2900 RPM, delivering consistent high flow rates up to 600 LPM and heads up to 28 metres (280 kPa). An O-ring seal between the pump housing and cover ensures safe, leak-free operation.

Thanks to the compact close-coupled design, the NB32-125 is easy to install and maintain, making it an ideal choice for water supply, industrial pressure boosting, heating/cooling, HVAC circulation, irrigation and general industrial liquid transfer.

FEATURES

Non-self-priming, single-stage, close-coupled centrifugal pump Axial suction and radial discharge port for efficient flow handling Optimised hydraulic design for high efficiency and quiet operation Cast iron housing with stainless-steel shaft for improved corrosion resistance Sealed operation with O-ring seal between pump housing and cover Direct coupled IEC flanged three-phase AC motor (2900 RPM) DN50 inlet / DN32 outlet, PN16 flanges Suitable for thin, clean or slightly contaminated non-abrasive liquids Ideal for water supply, pressure boosting, HVAC, cooling and irrigation applications