The Grundfos NB32-160 Series are high-efficiency, close-coupled end-suction centrifugal pumps designed for dependable performance in demanding clean water and light industrial fluid transfer applications. These non-self-priming, single-stage pumps feature a compact horizontal shaft design with an axial suction port and radial discharge port, optimised to deliver smooth, energy-efficient liquid flow at higher heads.

The NB32-160 is equipped with hydraulically and dynamically balanced impellers, engineered for stable, vibration-free operation and extended service life. The robust cast iron housing combined with corrosion-resistant wear parts ensures durability and reliable operation when pumping thin, clean or slightly contaminated liquids without abrasive or fibrous solids.

Each pump is directly coupled to an IEC-flanged three-phase AC motor operating at 2900 RPM, providing consistent flow rates up to 600 LPM and delivering higher heads up to 45 metres (450 kPa). An O-ring seal between the pump housing and cover ensures leak-free, secure operation under demanding conditions.

Compact and easy to maintain, the NB32-160 Series is a versatile choice for water supply, industrial pressure boosting, HVAC systems, process water circulation, irrigation, and general-purpose liquid transfer where dependable pressure and flow are critical.

FEATURES

• Non-self-priming, single-stage, close-coupled centrifugal design
• Axial suction and radial discharge configuration for optimised flow
• Hydraulically and dynamically balanced impeller for smooth, efficient operation
• Cast iron pump housing with corrosion-resistant internals
• O-ring seal for secure, leak-free performance
• Direct coupled IEC flanged three-phase motor (2900 RPM)
• DN50 inlet / DN32 outlet, PN16 flanged connections
• Suitable for thin, clean or slightly contaminated non-abrasive liquids
• Ideal for water supply, HVAC, industrial boosting, process circulation, and irrigation