Pumping of abrasive media, self-priming, safe to dry run:

The series SP-550 convinces by its compact design, low weight and high conveying capacity.

It's a mobile powerful hose pump, also called peristaltic pump. The right pump in special civil engineering for suction and pumping of return suspension (high pressure injection, jet grouting), while production of bored pile or for pumping of mud with HDD-process.