- multistage, vertical centrifugal high-pressure pumps
- sectional type of casing with closed impeller
- axial thrust compensation by means of single-impeller balance or by means of balance piston
- stationary bearings: pair of angular ball bearings, for absorbing of remaining axial thrust
- loose bearing: liquid-lubricated slide bearing
- bearing lubrication: oil or grease
- oil lubrication with or without cooling