Sulzer Grinder Pump: Piranha PE and S Series

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Sulzer’s ABS Piranha offers a range of submersible grinder pumps with the most effective cutting mechanism for pressure sewer systems. These Piranha grinder pumps provide economical wastewater handling for municipal and industrial facilities, thanks to their small-diameter discharge pipes—and boast excellent total lifecycle costs from initial purchase to ongoing operation.



Abaque Peristaltic Pump HD25 model

ABS Piranha Grinder Pump

Design Benefits

  • Unique grinding mechanism design for optimum blockage-free operation
  • Advanced leak warning system mitigates water penetration and early detection of broken seal
  • High-quality silicon carbide (SiC/SiC) mechanical seal and motor-side sealing for S pumps; Abrasion-resistant silicon carbide
  • (SiC/SiC) double mechanical seals for PE pumps
  • Lubricated-for-life, heavy-duty ball bearings
  • PE pumps use premium efficiency IE3 motors for high energy savings, reduced CO2 footprint, and increased lifetime
  • Temperature monitoring system for automatic shutdown of pump during overheating
  • S pumps use built-in capacitor, eliminating the need for a control box
  • PE pumps use 10-pole, quick disconnect, terminal block for quick repair of the power cable
  • Equipped with adjustable bottom plate to counter effects of wear and maintain efficiency


All-Pumps can customise pumps according to your requirements and applications. Get in touch with us today to find the right pump!

  • Installation configurations: Fixed installation with pedestal (guide rail assembly), Free-standing transportable, Installation in areas where large fluctuations in terrain elevation are present
  • FM and CSA options on most models
  • Spare parts

Key Specifications

  • Capacities up to 6 li/sec
  • Pressures up to 7 bar
  • Heads up to 71 m
  • Pump sizes from 32 to 50 mm
  • Temperatures up to 40°C or 60°C (short term)


  • Municipal wastewater transport
  • Industrial wastewater handling
  • Applications where laying sewer pipes is not possible
  • Hazardous locations requiring certification in accordance with ATEX


Sulzer ABS Piranha PE submersible grinder pumps are the first in the world to use Premium Efficiency IE3 submersible motors. Also equipped with the most effective cutting system design, the Piranha PE grinder pumps are one of the best on the market, providing blockage-free operation, low life cycle costs, reliability, and big energy savings.


  1. Spiral-grooved bottom plate, hardened stainless steel stationary and lobed rotor cutting elements
  2. Thermal sensors embedded in stator windings
  3. IE3 Motor
  4. Double Mechanical Seals
  5. Small discharge diameter
  6. Thermal sensors are embedded in the stator windings
  7. Ball Bearings
  8. Cable plug
  9. Adjustable bottom plate


The ABS Piranha S Series is Sulzer’s standard range of submersible grinder pumps. They are equipped with water-tight, fully encapsulated, flood-proof motors, ensuring reliable performance. The pump and motor form a compact unit, producing an economical yet robust solution.
ABS Piranha S high-head versions are also available. They use a reversible cutting element and a two stage, hardened stainless steel cutter system for a more effective shearing of large solids that come with the wastewater.


  1. Spiral-grooved bottom plate, hardened stainless steel stationary and lobed rotor cutting elements
  2. Seal leak detection system
  3. Silicon carbide shaft sealing
  4. Small diameter discharge
  5. Optional explosion proof in accordance with FM and CSA
  6. Ball bearings
  7. Thermal sensors embedded in stator windings
  8. Adjustable bottom plate
  9. Cable plug on non-EX/FM models


Submersible Grinder Pump

The Piranha PE and S series’ cutter system puts them in a class of their own. The design features a lobed rotor cutting element attached to the impeller. This part rotates inside a stationary cutting element fastened to a spiral-grooved bottom plate. The stationary cutter has wave-shaped castellations. The number of castellations is one less than the number of lobes, causing an opening to be formed between the two cutting elements during the operation. The normal pumping action causes wastewater to flow between the cutting elements. The solids that come with the wastewater are sheared into small particles and pumped out of the discharge. When shredded particles wedge between the impeller and bottom plate, the outward threaded spiral grooves will force them out the discharge.

Servicing you anywhere in Australia

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