Description
Sulzer Centrifugal Between bearing pumps GVG diffuser style barrel pump -Maximum safety pump used in nuclear power plants
Key Technical Specifications:
| Capacities | Up to 65 m3/h / 285 US gpm |
| Heads | Up to 1,900 m / 6,230 ft |
| Pressures | Up to 200 bar / 2,900 psi |
| Temperatures | Up to 100°C / 212°F |
| Discharge sizes | 80 mm |
Why Choose Sulzer GVG Diffuser Style Barrel Pump?
The Sulzer GVG is a multistage , high-pressure barrel pump built for challenging services where reliability , efficiency , and safety are paramount. Its diffuser-style hydraulic design and barrel casing construction make it ideal for critical high-pressure feed, transfer, or injection duties in power , oil & gas , and water treatment sectors. Designed to API 610 (BB5) standards , the GVG offers robust performance and long operational life in extreme conditions.
Key Technical Specifications
Pump Type: Multistage centrifugal , diffuser-style barrel pump (API 610 BB5)
Casing Design: Forged barrel casing with radial split
Hydraulics: Multistage diffuser arrangement with high efficiency impellers
Sealing System: Cartridge-type double mechanical seals , API Plan 53/54 compatible
Bearings: Pressure-lubricated sleeve and tilting-pad bearings
Design & Functionality
Radial diffuser stages ensure high efficiency and smooth flow control
Robust forged barrel casing handles high system pressures and thermal loads
Compact rotor with optimized hydraulic balance for low vibration and thrust
Cartridge assembly allows easy removal and minimal downtime during maintenance
Fully compliant with API 610 BB5 for critical and hazardous process environments
Typical Applications
Boiler feedwater in fossil and nuclear power plants
High-pressure water injection for oil fields
Pipeline and transfer duties in refineries and chemical plants
Feed and booster pumps in desalination systems and RO plants
Any critical service requiring high differential pressure and zero failure tolerance
Additional Features
Modular construction enables tailored hydraulics for each application
Internally staged for smoother pressure buildup and reduced component stress
Engineered for quick service with minimal disassembly
Optional monitoring systems for vibration , temperature , and pressure
Long MTBF (Mean Time Between Failure) and high energy efficiency
