BB4 Horizontal Single-Casing (Ring-Section) Multistage Pumps (VMB04 Series)
The VMB04 series pumps are horizontal, single-casing, top suction and discharge, centerline-supported, radially split, ring-section multistage high-pressure boiler feedwater pumps, classified as API 610 BB4 type.
Product Features
Customized for power plant boiler feedwater, industrial high-pressure water supply, and oilfield water injection
Independent R&D building upon international design concepts and manufacturing experience
Excellent hydraulics utilizing CFD and ANSYS software
Internationally advanced, representing a new generation of high-efficiency and energy-saving product
Specifically designed for extreme conditions such as high temperature and pressure
Equipped with high-temperature limiting devices to effectively address vibration caused by thermal expansion
Pressure-bearing middle and discharge sections are forged, ensuring safety and reliability through advanced processes
Shrink fitting between impellers and shaft enhances rotor rigidity and reduces vibration
Stage-by-stage impeller positioning avoids cumulative errors and thermal deformation effects
Staggered keyways for uniform torque transmission; staggered vanes for reduced resonance
Axial forces efficiently balanced via a combined balancing drum and balancing disc structure
Overall design balances high efficiency with adaptability to harsh conditions, ensuring long-term stable operation through precision manufacturing and structural optimization
Product Introduction
Performance Range
- Flow Rate (Q)
- 25~900 m³/h
- Head (H)
- Up to 2400 m
- Rotational Speed (n)
- 1480, 2980 rpm
- Design Pressure (P)
- 15.0, 26.0 MPa
- Operating Temperature (T)
- -80℃ to +210℃
- Standard
- API 610 12 th Edition Centrifugal Pumps for Petroleum, Petrochemical, and Natural Gas Industries
Applications
Petroleum Processing, Production, and Transportation
Coal Chemical Processes
Petrochemical and Chemical Processes
Metallurgy
Oilfield Water Injection
Boiler Feedwater
Water Supply and Treatment
