Description
Sulzer Centrifugal Between bearing pumps GSG-BFP diffuser style barrel pump for feedwater applications -The competitive choice for feedwater applications
Key Technical Specifications:
| Capacities | up to 1’000 m3/h / 5’300 US gpm |
| Heads | up to 2’800 m / 10’500 ft |
| Discharge sizes | up to 250 mm / 10 in |
| Discharge pressures | up to 350 bar / 5’080 psi |
| Suction pressures | up to 65 bar / 940 psi |
| Temperatures | up to 210ºC / 410ºF (higher temperatures upon request) |
Why Choose Sulzer GSG-BFP Diffuser Style Barrel Pump?
The Sulzer GSG-BFP is purpose-built for demanding boiler feedwater applications , offering high reliability , precise performance , and superior pressure handling. As a radially split , multistage barrel pump with diffuser design , it meets and exceeds API 610 (BB5) standards. It is the ideal solution for power plants and industrial installations where continuous duty and high-pressure performance are critical.
Key Technical Specifications
Pump Type: Multistage , diffuser style barrel pump (API 610 BB5)
Casing: High-strength forged barrel construction for extreme pressure applications
Hydraulics: Precision-cast impellers and diffusers for high head and efficiency
Design Standards: API 610 , ISO 13709 compliant
Sealing System: Double mechanical seals with API Plan 52 , 53 , or 54 options
Bearings: Pressure-lubricated sleeve and tilting-pad bearings
Design & Functionality
Radial split, centerline-mounted barrel casing handles thermal expansion effectively
Optimized diffuser design ensures smooth flow , high efficiency , and reduced vibration
Internally staged to handle high head per stage while minimizing axial thrust
Cartridge-type rotor allows for easy maintenance without disturbing pipework
Advanced thrust balancing system ensures stable , long-lasting operation
Typical Applications
Boiler feedwater systems in thermal , nuclear , and combined-cycle power plants
High-pressure feed pumping in industrial steam generation
Water injection and pressurized feed systems in refining and chemical plants
Continuous-duty, high-head applications requiring low downtime and extended runtime
Additional Features
Forged barrel casing design for maximum safety and mechanical integrity
Designed for long-term service intervals and reduced total cost of ownership
Internally staged layout with precision balancing reduces wear and increases efficiency
Optional condition monitoring sensors for predictive maintenance
Field-proven reliability in both base-load and cycling plant operations
