In the range of Grundfos stainless steel submersibles, there is an optimal pump for every duty point. The advantage of  of pump is that, in a large installation, there is a significant reduction in the amount of concrete required to build the reservoir since a separate dry-well is not required

Borehole Pumps
Drainage, effluent and sewage pumps for a range of applications in building services as well as the transfer of raw sewage in municipal sewage systems

Drainage pumps
Drainage, effluent and sewage pumps for a range of applications in building services as well as the transfer of raw sewage in municipal sewage systems.