Description
Sulzer Centrifugal Between bearing pumps HSA axially split single stage between bearing pump – Reliability and efficiency for critical services
Key Technical Specifications:
| Capacities | Up to 18000 m3/h / 80000 US gpm |
| Heads | Up to 260 m / 850 ft |
| Pressures | Up to 34 bar / 490 psi |
| Temperatures | Up to 150°C / 300°F |
| Discharge sizes | 150 to 800 mm / 6 to 32 inches |
| Maximum speed of rotation | Up to 3600 rpm |
Why Choose Sulzer HSA Axially Split Pump?
The Sulzer HSA pump is a robust , high-capacity , between-bearing , axially split , single-stage centrifugal pump designed for critical applications in power generation , water transport , oil & gas , and general industry. Its double-suction impeller and horizontal split casing ensure excellent hydraulic stability , high efficiency , and ease of maintenance. Engineered to meet the most demanding operational requirements , the HSA is a proven performer for both clean and slightly contaminated fluids.
Key Technical Specifications
Pump Type: Between-bearings , axially split , single-stage centrifugal pump
Casing Design: Horizontally split volute casing for easy internal access
Impeller: Double-suction , enclosed , dynamically balanced
Standards Compliance: ISO 13709 / API 610 (BB1 configuration)
Materials of Construction:
– Casing: Cast steel , ductile iron , or stainless steel
– Impeller: Bronze , stainless steel , or duplex
– Shaft: High-strength steel or stainless steel
Bearings: Sleeve or rolling element bearings; oil-lubricated or forced lubrication systems
Seal Options: Single , double mechanical seals or API Plan options
Design & Functionality
Axial split design simplifies inspection and reduces service time
Double-suction impeller design for low NPSH and hydraulic balance
Rigid construction minimizes vibration , supports long MTBF
Low radial and axial loads reduce wear on mechanical components
Optional cooling/heating jackets available for thermal control
Typical Applications
Circulating water systems in thermal and nuclear power plants
Crude oil and refined product pipeline pumping
Water injection and cooling systems
Large-scale irrigation and water transport
Industrial fluid transfer in refineries and process plants
Additional Features
Fully compliant with API 610 (BB1) for critical industrial and energy sectors
Maintenance-friendly split casing allows quick seal and bearing access
Double-suction design handles high flow rates with low vibration
Broad range of materials and seal configurations for corrosive/abrasive services
Customizable mounting and baseplate options for plant integration
The Sulzer HSA is a heavy-duty , axially split , between-bearing centrifugal pump designed for continuous performance in the world’s most demanding flow and pressure applications. With unmatched hydraulic stability , low vibration operation , and superior serviceability , it delivers long-term reliability for critical infrastructure across the power , water , and process industries.
