
KZNR Series
The KZNR Series pumps have an extremely hardened casting through a proprietary process that hardens the ductile iron volutes to 71 Rockwell C. It is the choice of industries that face the most difficult pumping: Lime slurries, mill scale, coal runoff sumps, wash down sumps, ash transfer, tailings ponds, slag pits, food wastes, silt removal, sand & gravel dewatering, barge & tank cleanout.View ModelsRequest Information

Series Curves (PDF)
- Every KZNR Series slurry pump is constructed with the following abrasive resistant chrome iron components:
- Agitator – Fluidizes settled solids into a slurry.
- Wear plate – Replaceable hardened surface on the suction side where erosion would cause a loss of pump performance.
- Semi-open impeller – Handles abrasive solid concentrations as high as 70% by weight.
- Every KZNR Series slurry pump model is protected by:
- Class H motor insulation and built-in amperage (FLA) and temperature overload protection.
- Double silicon carbide mechanical seals in a separate oil-filled seal chamber.
- Heavy duty lip seal – additional protection for the mechanical seals.
- Stainless steel shaft and shaft sleeve – Save on shaft wear due to abrasives and corrosion.
- Hardened ductile iron volute – Proprietary plasma treated for extra hardness and long life.
- Every KZNR Series pump is a top discharge pump:
- KZNR severe duty slurry pumps are utility pumps and frequently dragged from one site to another. The KZNR doesn’t have a side discharge connection that can break off or be damaged as it is pulled and pushed into place.
- Top discharge pumps are cooled by pumped liquid – The KZNR Series slurry pumps can pump a sump or pit down to within inches of the bottom. A side discharge pump without a cooling jacket must stay submerged to avoid overheating, leaving as much as three feet of unpumped slurry.
- Top discharge means slim – Even the largest model with a 22.75-inch diameter will fit down a manhole with a hose attached.
- The KZNR’s proprietary-process hardened ductile iron volutes – cast with extra thick walls at the point where pumped slurry enters the discharge.
- High-chrome agitator helps keep solids suspended in liquid and helps prevent pump from clogging.
- Specifications dependent on model and may change without notice.
Select Model
Model | Motor Rating (HP) | Voltage | Rated Amps | Discharge Connection | Max Solids | Max Head | Max GPM | Phase | Learn More |
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KZN110HR-460T
Curves
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15 | 460, 3ph-60Hz | 17.5 | 4" NPT-M | 1.375" | 87' | 819 | 3 | Details |
KZN110HR-575T
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15 | 575, 3ph-60Hz | 13.7 | 4" NPT-M | 1.375" | 87' | 819 | 3 | Details |
KZN110R-460T
Curves
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15 | 460, 3ph-60Hz | 35 | 6" NPT-M | 1.375" | 72.8' | 977 | 3 | Details |
KZN110R-575T
Curves
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15 | 575, 3ph-60Hz | 13.7 | 6" NPT-M | 1.375" | 72.8' | 977 | 3 | Details |
KZN150LR-460T
Curves
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20 | 460, 3ph-60Hz | 26 | 6" NPT-M | 1.5" | 70.5' | 1611 | 3 | Details |
KZN150LR-575T
Curves
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20 | 575, 3ph-60Hz | 19.8 | 6" NPT-M | 1.5" | 70.5' | 1611 | 3 | Details |
KZN150R-460T
Curves
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20 | 460, 3ph-60Hz | 26 | 6" NPT-M | 1.5" | 101' | 1136 | 3 | Details |
KZN150R-575T
Curves
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20 | 575, 3ph-60Hz | 19.8 | 6" NPT-M | 1.5" | 101' | 1136 | 3 | Details |
KZN220LR-460T
Curves
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30 | 460/575, 3ph-60Hz | 39 | 6" NPT-M (8" FLANGE optional) | 1.5" | 77' | 1690 | 3 | Details |
KZN220LR-575T
Curves
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30 | 575, 3ph-60Hz | 30.2 | 6" NPT-M (8" FLANGE optional) | 1.5" | 77' | 1690 | 3 | Details |
KZN220R-460T
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30 | 460, 3ph-60Hz | 39 | 6" NPT-M (8" FLANGE optional) | 1.5" | 105' | 1268 | 3 | Details |
KZN220R-575T
Curves
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30 | 575, 3ph-60Hz | 30.2 | 6" NPT-M (8" FLANGE optional) | 1.5" | 105' | 1268 | 3 | Details |
KZN37R-208T
Curves
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5 | 208, 3ph-60Hz | 18.7 | 3" NPT-M (4" NPT-M optional) | 0.875" | 42.6' | 475 | 3 | Details |
KZN37R-230T
Curves
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5 | 230, 3ph-60Hz | 17 | 3" NPT-M (4" NPT-M optional) | 0.875" | 42.6' | 475 | 3 | Details |
KZN37R-460T
Curves
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5 | 460, 3ph-60Hz | 8.5 | 3" NPT-M (4" NPT-M optional) | 0.875" | 42.6' | 475 | 3 | Details |
KZN37R-575T
Curves
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5 | 575, 3ph-60Hz | 6.8 | 3" NPT-M (4" NPT-M optional) | 0.875" | 42.6' | 475 | 3 | Details |
KZN55CHR-230T
Curves
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7.5 | 230, 3ph-60Hz | 19.5 | 3" NPT-M (4" NPT-M optional) | 1" | 69' | 449 | 3 | Details |
KZN55CHR-460T
Curves
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7.5 | 460, 3ph-60Hz | 9.5 | 3" NPT-M (4" NPT-M optional) | 1" | 69' | 449 | 3 | Details |
KZN55CHR-575T
Curves
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7.5 | 575, 3ph-60Hz | 7.8 | 3" NPT-M (4" NPT-M optional) | 1" | 69' | 449 | 3 | Details |
KZN55R-230T
Curves
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7.5 | 230, 3ph-60Hz | 19.5 | 4" NPT-M (3" NPT-M optional) | 1" | 57' | 594 | 3 | Details |
KZN55R-460T
Curves
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7.5 | 460, 3ph-60Hz | 9.5 | 4" NPT-M (3" NPT-M optional) | 1" | 57' | 594 | 3 | Details |
KZN55R-575T
Curves
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7.5 | 575, 3ph-60Hz | 7.8 | 4" NPT-M (3" NPT-M optional) | 1" | 57' | 594 | 3 | Details |
KZN75R-460T
Curves
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10 | 460, 3ph-60Hz | 13 | 4" NPT-M (3" NPT-M optional) | 1" | 61' | 655 | 3 | Details |
KZN75R-575T
Curves
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10 | 575, 3ph-60Hz | 10.5 | 4" NPT-M (3" NPT-M optional) | 1" | 61' | 655 | 3 | Details |