The MRPA BB1 series is designed as a one- and two-stage, double suction, between bearing, axial split case pump that meets the requirements of the API 610 12TH edition BB1 type.

The MRPA BB1 features heavy-duty shaft design for low shaft deflection, and large seal chambers to fit all range of API 682 single and double cartridge seals. The hydraulic design is fully optimized by CFD analysis.