Your expectation is our standard


The RPG RCBB2 between bearings, radial split case process pumps are designed for smooth, reliable operation and meet the toughest and most demanding specification requirements of API 610. The RCBB2 between bearing pumps offer the typical API BB2 design features, such as the double suction design, large shaft diameter, centreline mounting and between bearing mounting of the impeller to ensure excellent performance and extended service life. The pump hydraulic design is fully optimized by using CFD (Computational Fluid Dynamics) analysis. The pumps offer seal chamber design in accordance with API 610 to allow installation of API 682 single and double cartridge types of mechanical seals.

Product features

  • Centre-line mounted casing for the best stability on high-temperature applications
  • Radial split casing
  • Full compliance with API 610 (ISO 13079) type BB2
  • Back pull-out design for easy pump dismantling and replacement of internal components
  • Replaceable impeller and casing wear rings
  • Roller bearings or sleeve bearings for optimal performance
  • Option for bearing cooling
  • Seal chamber design to accommodate all types of API seals
  • Optional cooling jacket for mechanical seal

API - Series BB2 – Design Features

Maximum Capacity Up to 10,000 m3/h
Maximum Head Up to 400 m
Maximum Temperature Up to 450˚C
Power Supply
Pump Size
Material DesignCarbon steel, chrome steel, stainless steel, duplex and super duplex
Materials of construction in accordance with the latest API 610 Annex H Table H.1
Special material and coatings available
ApplicationsOil and gas industry
Hydrocarbon processing
Liquefied gas processing
Petroleum production and refining
Utility pumps
Hot fluid transport application
Power plants
Pulp and paper industry
High-temperature service (boiler feed)