Prevent clogging and reduce wear in your headworks and sludge handling circuits with heavy-duty KREBS® pumps. Originally designed for the toughest mining slurries, our recessed impeller and heavy-duty centrifugal pumps easily handle abrasive grit, large solids and stringy materials found in municipal wastewater plants.
The hydraulic design of KREBS® hMAX and millMAX™ minimises shear forces, preserving floc structure in activated sludge return (RAS) and waste activated sludge (WAS) lines while maintaining consistent throughput.
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The KREBS® hMAX recessed impeller creates a large internal clearance that allows grit, rags and fibrous solids to pass without touching the rotating vanes, eliminating blockages common in standard sewage pumps.
KREBS® hMAX and millMAX™ pumps feature heavy-duty construction with thicker liners and high-chrome impellers, delivering 2–3× longer wear life in abrasive grit removal compared to standard water pumps.
The KREBS® hMAX is the primary choice for headworks, grit removal and scum pumping, where large solids and stringy materials cause standard pumps to clog. Its recessed impeller ensures that most solids do not even touch the rotating vanes.
For high-pressure grit transport or abrasive sludge lines where efficiency is critical, the KREBS® millMAX™ features an adjustable wear ring that eliminates recirculation grinding, extending liner life and maintaining consistent flow without speed increases.
Designed for simple maintenance in the field. The millMAX™ features an externally adjustable wear ring that allows operators to restore pump efficiency in minutes while the pump is running, without needing to shim the impeller. Back-pull-out designs allow the rotating assembly to be removed without disconnecting piping. Our global distributor network ensures rapid access to spares and wear parts near your facility.
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