Amarex KRT with Next Generation Impellers


1. Reliable Operation

  • Non-clogging impellers with large free passages, optimized for every type of wastewater
  • Specially protected cable entry
  • Advanced monitoring sensors
  • Monitoring: Sensors trigger a warning in the event of overheating or ingress of moisture

2. Energy Savings

  • Optimized hydraulic system yields high efficiency
  • Energy-saving motors meeting IE3 requirements 

3. Dependability

Two bi-directional mechanical seals

4. Cost Efficiency

The right material for every liquid. Available in grey cast iron or, optionally, in corrosion-resistant duplex stainless steel or wear resistant white cast iron for a long service life

Rolling element bearings are lubricated for life to reduce maintenance

Optimized spare parts inventories: Standardized components are interchangeable within this type series and with the waste water pumps of the Sewatec type series

5. Flexibility

Various installation types to suit different building structures

KRT Cross Section Features


KRT Performance Curve


  • Municipal and industrial wastewater
  • Wastewater transport
  • Wastewater treatment
  • Sludge treatment
  • Stormwater transport
Technical Data
SizesDN 32 to DN 700
Capacity10,000 m3/h
Headup to 120 m
Fluid pressureup to 60° C
Automation possibleYes
  • Explosion-proof to NEC 500, Class 1, Division 1, Groups C and D, T3, hazardous (classified) locations.
  • IEC 60034-30 standard not binding for submersible motors. Efficiencies calculated/determined according to the measurement method specified in IEC 60034-2. The marking is used for submersible motors that achieve efficiency levels similar to those of standardized motors to the IEC 60034-30 standard.


Additional Information
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Valley Forge Case Study

How Valley Forge conquered their clogs.

Press Release: Water Workhorses: KSB Updates Amarex KRT Submersible Pumps

The new pumps are available with power ratings of up to 850 kW, the highest standard motor power in the industry.

Press Release: Water Workhorses: KSB Updates Amarex KRT Submersible Pumps171 KB