Reliable Solids Handling Below Water Level
Submersible sewage pumps operate directly inside the pumped liquid and are available with different hydraulic designs depending on the type of wastewater and solids involved. Common designs include vortex, channel, non-clog, grinder and cutter configurations. Xylem’s current wastewater range, for example, includes vortex, channel, grinder and chopper pump designs, while Tsurumi offers sewage pumps specifically designed for solid and fibrous materials. Suitable applications include: Sewage Transfer • Wastewater Pumping • Drainage Pits • Septic Tanks • Pumping Stations • Construction Dewatering • Industrial Wastewater • Stormwater • Sumps • Utility Projects
Submersible Sewage Pumps
Built for Wastewater with Suspended Solids
Submersible sewage pumps are designed for applications where wastewater may contain solids, fibres or debris.
Depending on the selected model, they can be used for:
Raw sewage
Septic tanks
Industrial wastewater
Municipal pumping
Flooded excavations
Some sewage pump ranges are specifically designed for wastewater containing suspended solids and fibres and are also used for emptying sumps, septic tanks and flooded excavations.
Non-Clog Sewage Pumps
Better Passage for Solids & Fibrous Material
Non-clog sewage pumps are designed to reduce blockage problems when pumping wastewater containing solids or stringy material.
The correct pump should be selected according to:
Solids Passage • Flow Rate • Total Head • Wastewater Type • Discharge Size • Installation Method
Self-cleaning and non-clog hydraulic designs are widely used in demanding wastewater systems where fibres, rags and solids can otherwise create operational problems.
Vortex Sewage Pumps
Vortex impeller pumps are commonly selected for wastewater applications where reliable solids passage is important.
They can suit applications involving:
Sewage • Dirty Water • Suspended Solids • Drainage Pits • Wastewater Tanks • Industrial Effluent
Actual solids-handling capability depends on the individual pump model and impeller design.
Grinder & Cutter Sewage Pumps
For Fibrous and Difficult Waste
Grinder and cutter-type pumps are used where fibrous materials or difficult solids need to be reduced before passing through the discharge system.
They can be suitable for:
Sewage Systems • Commercial Buildings • Wastewater Stations • Industrial Applications • Small-Bore Discharge Systems
Modern grinder and chopper sewage pumps use cutting mechanisms to break down difficult solids and fibres and help reduce clogging risk.
Sewage Dewatering Pumps
Temporary Pumping for Wastewater & Dirty Water
For temporary projects, suitable sewage-type submersible pumps can also support dewatering where the pumped water contains more solids or contamination than a normal drainage pump is designed to handle.
Typical uses include:
Construction Pits • Basement Drainage • Utility Trenches • Wastewater Tanks • Emergency Drainage • Temporary Bypass Pumping
For abrasive sludge or very high solids concentration, a dedicated sludge pump may be more suitable than a standard sewage pump.
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Pumps FAQ
A standard dewatering pump is primarily used for removing groundwater, rainwater or relatively dirty site water. A sewage pump is specifically designed for wastewater containing larger solids, fibres or sewage-related contaminants.
Yes, suitable sewage-type pumps can be used where construction water contains solids, waste or contamination. Pump selection should depend on the actual water condition.
A non-clog pump uses hydraulic designs intended to improve the passage of wastewater solids and fibrous materials while reducing blockage risk.
A vortex sewage pump uses a vortex-type hydraulic design that can provide good solids passage for many dirty-water and wastewater applications.
A grinder pump may be suitable when sewage contains fibrous or difficult solids that need to be broken into smaller particles before discharge.
Some models can handle light sludge or high-solids wastewater. For heavier sludge or abrasive material, a dedicated sludge pump may be more appropriate.