The MRPA BB5 double casing, radially split, between bearing pumps (barrel pumps) are designed to meet high pressure and temperature requirements in the oil and gas and power generation industry.

The MRPA BB5 pumps are designed to meet the toughest and most demanding requirements of API 610 12TH ed. The barrel can be fitted with single- or multistage inner case assemblies, using volute or diffuser casings. The axial thrust loads are balanced by opposed impeller design or axial balancing drums. The barrels are made of forged or cast mate- rials to meet the required strength.

These seal chamber design in accordance with API 610 12TH ed to allow installation of API 682 4TH ed single and double cartridge types of mechanical seals.