Description
Sulzer Pump Centrifugal Process pump NB engineered for dependable, efficient fluid transport across diverse applications—from clean water to light slurries
Capacities: Up to 420 l/s (6 600 US gpm)
Heads: Up to 190 m (620 ft)
Pressures: Up to 1.6 MPa (230 psi)
Temperatures: Up to 190°C (370°F)
Discharge sizes: From 25 mm (1 in) to 250 mm (10 in)
Maximum speed of rotation: 3,600 rpm
Why Choose Sulzer NB?
Choose the Sulzer NB process pump for its outstanding reliability, high efficiency, and cost-effective performance. Backed by Sulzer’s long industrial experience, it surpasses ISO 5199/2858 standards and delivers dependable pumping for your clean or mildly contaminated liquids and low-consistency slurries
Additional Features
Versatile hydraulics & materials: available in closed or semi-open impellers and various metallurgies to suit different fluid types .
PSI shaft-seal system: reliable sealing that reduces leak-risk and maintenance effort
Heavy-duty bearing assembly: designed for long life (>50,000 h) with low shaft deflection (<0.05 mm) for superior seal protection
Modular, back-pull-out design: quick to service with fewer spare parts to streamline inventory
Applications
Ideal for:
Clean to slightly contaminated liquids
Viscous fluids and low-consistency fibrous slurries
Commonly used in pulp & paper, chemical, food, mining, water‑&‑wastewater, and district heating system
Construction-Design Highlights
Pump Type: Horizontal , single-stage , end-suction centrifugal pump
Design Standard: Compliant with ISO 5199 and ISO 2858
Impellers: Closed or semi-open, optimized for hydraulic performance and solids handling
Shaft Seal Options: Gland packing , single/double mechanical seals, and Sulzer’s PSI seal system
Bearing Assembly: Heavy-duty , grease- or oil-lubricated , designed for 50,000+ hours of operation
Modular Back-Pull-Out: Easy dismantling without removing suction/discharge piping