INDUSTRIAL SLURRY PUMPING
Slurry Pumps
Heavy-Duty Centrifugal & Positive Displacement Pumps for Abrasive Slurry & Sludge
DAE Pumps builds an industry-best selection of centrifugal and positive displacement slurry pumps that move abrasive, high-solids mixtures other pumps cannot handle. Abrasion-resistant wear parts and a huge inventory of types, sizes, and metals match the pump to the material, not just the flow.
- Submersible, self-priming, flooded suction, and dredge designs
- Gear, lobe, vane, screw, piston, and diaphragm PD pumps
- Discharge sizes from 1 inch to 16 inches
- Flow up to 10,000 GPM, heads up to 400 ft TDH
- Abrasion and corrosion-resistant wear parts for long life
Need help now? Call (760) 821-8112
10,000
GPM maximum flow
400 ft
Maximum head (TDH)
1 to 16 in
Discharge sizes
10+
Slurry pump types
Slurry pumps are heavy-duty pumps built to move slurry, a dense mixture of liquid and suspended abrasive solids that ranges from a micron to a couple of inches in size. Also called sludge, trash, or process pumps, they use abrasion and corrosion-resistant wear parts to handle material that would clog or destroy a standard centrifugal pump. DAE Pumps builds both centrifugal slurry pumps (submersible, self-priming, flooded suction, and dredge) and positive displacement slurry pumps (gear, lobe, vane, screw, piston, and diaphragm), in discharge sizes from 1 inch to 16 inches, moving up to 10,000 GPM at heads up to 400 feet TDH.
Compare Slurry Pump Types
DAE Pumps offers ten slurry pump types across two families: centrifugal pumps that use an impeller and speed, and positive displacement pumps that trap and push a set volume. Compare how each moves slurry and where it fits before requesting pricing.
| Pump Type | Category | How It Moves Slurry | Best For |
|---|---|---|---|
| Submersible | Centrifugal | Sits in the slurry and suctions solids right at the intake. | Sumps, ponds, tanks, mining, and dredging |
| Self-Priming | Centrifugal | Primes at the pump and draws slurry through a suction hose. | Portable dewatering and slurry on trailer or skid |
| Flooded Suction | Centrifugal | Gravity feeds slurry to a pump mounted below the source. | Tanks and hoppers, no priming, lower power |
| Dredge | Centrifugal | Continuously pumps large solids from a water body. | High-solids dredging by cable, excavator, pontoon |
| Gear | Positive Displacement | Meshing gears trap and move a constant volume of fluid. | Consistent flow of viscous fluids and slurries |
| Lobe | Positive Displacement | Rotating lobes move fluid gently around the casing. | Thick sludge and shear-sensitive slurries |
| Vane | Positive Displacement | Sliding vanes trap and push fluid to the discharge. | High-volume transfer of non-corrosive liquids |
| Screw | Positive Displacement | Rotating screws move liquids and solids axially. | High flow with little vibration, oil and irrigation |
| Piston | Positive Displacement | Pistons draw a vacuum to pull, then push material out. | High-pressure, low-viscosity duty |
| Diaphragm | Positive Displacement | A flexible membrane draws in and pushes out the fluid. | Hazardous and corrosive liquids, sealed transfer |
Centrifugal vs Positive Displacement Slurry Pumps
The right family depends on flow, viscosity, and pressure. Centrifugal pumps suit high flow rates and dirtier, lower-viscosity material; positive displacement pumps suit higher-viscosity material moved at lower flow and higher pressure.
| Factor | Centrifugal Slurry Pumps | Positive Displacement Pumps |
|---|---|---|
| How it moves fluid | An impeller spins the slurry out by centrifugal force. | Rotating or reciprocating parts trap and push a set volume. |
| Flow and pressure | High flow rates at lower pressure. | Lower flow at higher, controlled pressure. |
| Best material | Dirty, abrasive, lower-viscosity slurry. | Thick, high-viscosity slurry and shear-sensitive fluids. |
| DAE types | Submersible, self-priming, flooded suction, dredge. | Gear, lobe, vane, screw, piston, diaphragm. |
| Typical use | Mining, dredging, dewatering, ash and mineral slurry. | Oils, pastes, foods, chemicals, and metered transfer. |
How to Choose the Right Slurry Pump
Slurry pump selection depends on the material as much as the flow. Work through these factors, then have a DAE Pumps expert confirm the pump against a performance curve.
| Selection Factor | What to Know | Why It Matters |
|---|---|---|
| How it is used | Open waterway, open or enclosed tank, or waste facility. | Points to submersible, self-priming, or flooded suction. |
| Material and solids | Identify sludge, sand, or abrasive slurry and solids size. | Sets discharge size, impeller, and pump design. |
| Flow rate | Set the GPM you need to move. | Sizes the pump and pipeline to the pump curve. |
| Head and distance | Vertical lift, horizontal run, and pipe or hose bends. | Each reduces flow and sets the required head. |
| Specific gravity | Heavier material such as sand reduces the flow. | Adjusts pump speed and size for the load. |
| Viscosity and pH | Thickness and corrosiveness of the slurry. | Selects PD vs centrifugal and wear-part materials. |
| Positioning | Vertical or horizontal, submersible or surface. | Matches the pump layout to the site. |
Centrifugal Slurry Pump Types
DAE Pumps centrifugal slurry pumps process heavy abrasive solids and keep running through material that shuts down other pumps. Choose by how the pump meets the slurry: submerged, self-primed, gravity-fed, or dredging.
Positive Displacement Slurry Pumps
For thick, high-viscosity, or shear-sensitive material moved at controlled pressure, DAE Pumps offers rotary and reciprocating positive displacement pumps that trap and push a set volume with each cycle.
Gear Pumps
Meshing gears trap fluid and deliver a constant, consistent volume of viscous liquids and slurries.
Lobe Pumps
Non-contacting lobes reduce wear and gently handle thick sludge and slurries laden with solids.
Vane Pumps
Sliding vanes transfer high volumes of non-corrosive liquids from thin solvents to thick molasses.
Screw Pumps
Rotating single or twin screws move liquids and solids with high flow and very little vibration.
Piston Pumps
Pistons draw a vacuum then push material out for high-pressure, low-viscosity duty.
Diaphragm Pumps
A flexible, hermetically sealed membrane safely pumps hazardous and corrosive liquids.
Slurry Pumps by Discharge Size
DAE Pumps builds slurry pumps from 1 inch to 16 inch, sized by the discharge end. Intakes match or exceed the discharge, and larger discharge passes larger solids at higher volume.
| Size Range | Discharge Sizes | Typical Use |
|---|---|---|
| Small | 1, 2, 3 in | Low-volume transfer, confined spaces, portable and small-scale jobs |
| Medium | 4, 6, 8 in | General slurry, dewatering, dredging support, and mid-volume duty |
| Large | 10, 12, 14, 16 in | High-volume slurry for mining, mineral processing, and flooded suction |
Where Slurry Pumps Work
DAE Pumps slurry pumps run across mining, power, wastewater, and heavy industry, anywhere abrasive, high-solids material has to move without clogging or stopping operations.
Mining Operations
Typical Use
Basin cleanout
Why It Fits
Clean settled solids from pump basins and move mine slurry.
Wastewater Treatment
Typical Use
Grit and sediment
Why It Fits
Pump sediment from grit chambers and sand traps for disposal.
Iron & Steel
Typical Use
Mill scale transfer
Why It Fits
Move abrasive mill scale and cooling water for reuse.
Coal-fired Power
Typical Use
Ash slurry
Why It Fits
Pump bottom ash and runoff water to settling lagoons.
Pulp & Paper
Typical Use
Sumps and tanks
Why It Fits
Handle black liquor with sand, fly ash, grit, and knots.
Oil & Gas
Typical Use
Drilling mud
Why It Fits
Transfer abrasive return mud to recycling plants.
Mineral Processing
Typical Use
Sump and recovery
Why It Fits
Pump plant sumps and recover material from emergency dams.
Quarries
Typical Use
Sand and gravel
Why It Fits
Dredge and pump sand, gravel, and cementitious solids.
Slurries DAE Pumps Move
Slurry takes many forms across industries. DAE Pumps matches wear parts and pump design to the material, from abrasive mineral slurry to gentle food and chemical mixtures.
Coal & Ash Slurry
Coal fly ash and water removed after burning for energy.
Cement Slurry
Cement, water, and additives that need a heavy-duty pump.
Soil Slurry
Dirt, sand, mud, and rock mixed with water to move soils.
Mining Tailings
Abrasive sand and mineral slurry from processing and dredging.
Pulp Slurry
Wood pulps and solvents used in making paper.
Chemical & Ceramic
Corrosive and abrasive slurry from planarization processes.
Manure Slurry
Animal waste and organic matter aged for agricultural use.
Food Processing
Solids-based liquefied foods and process mixtures.
Why DAE Pumps Slurry Pumps
Every DAE Pumps slurry pump is built to resist abrasion and corrosion and to keep running through material that clogs or destroys ordinary pumps.
Abrasion and corrosion resistant
Components are engineered from abrasion and corrosion-resistant materials for harsh, gritty service.
Rubber and high-chrome wear parts
Impellers and liners resist abrasion and suit a wide range of slurry chemistries for longer life.
Handles what stops other pumps
Process heavy abrasive solids and work through material that would shut down standard pumps.
Centrifugal and positive displacement
One source for submersible, self-priming, flooded suction, dredge, and PD pump designs.
Huge inventory and selection
A large stock of types, sizes, speeds, and metals matches the pump to the material and the job.
Rugged, low-maintenance design
Rugged construction and easy maintenance extend operational life and reduce downtime.
Sized to the material
Pumps are matched to specific gravity, viscosity, pH, and solids, not just flow.
Expert pump selection
DAE Pumps engineers help select the type, size, and speed and confirm the duty point.
Sludge vs Slurry
Sludge and slurry are both wet mixtures of liquids and solids; the difference is in thickness, consistency, and texture. Sludge is thicker and typically soft, while slurry is thinner and sloppy, and both can contain the same solids in different shapes, sizes, and abrasiveness. The material, plus the flow, head, and distance, decides which pump fits.
| Factor | Sludge | Slurry |
|---|---|---|
| Consistency | Thicker and typically soft. | Thinner and sloppy. |
| Where it is found | Wastewater pond bottoms and riverbeds of mud or clay. | Lagoons, mine tailings ponds, and process tanks. |
| Example material | Thick mud or clay with large rocks. | Abrasive sand, pulp, animal waste, or hazardous waste. |
| Typical pump | Sludge and lobe pumps for thick, soft material. | Centrifugal slurry and dredge pumps for abrasive solids. |
Slurry Pump Accessories
Complete the slurry system with matched discharge, monitoring, power, and separation components. Parts are stocked for fast shipping in the US and worldwide.
- Slurry Hoses and HDPE Pipe: Durable hose and pipe sized to carry abrasive slurry over short and long distances.
- Ultrasonic Flow Meters: Read flow rate in real time without cutting into the pipe.
- Hose and Pipe Floats: Keep discharge lines buoyant and aligned in waterborne conditions.
- Slurry Separators: Collect, store, and separate pumped slurry for efficient material handling.
- Hydraulic Power Units: Drive hydraulic slurry and dredge pumps where a hydraulic supply is needed.
- Variable Frequency Drives: Tune pump speed to the duty point to save energy and match flow to demand.
Maintenance and Service
Because slurry pumps handle abrasive, high-solids material, planned wear-part service protects performance and lowers total cost of ownership over the life of the pump.
Key Wear Points to Inspect
- Impellers and liners for abrasion, and replace rubber or high-chrome parts on schedule.
- Mechanical seals and gland sleeves for wear and leaks.
- Bearings and shaft alignment to prevent overheating and failures.
- Casing and internal clearances, adjusting to maintain efficiency.
Built to Last
- Lower discharge pressure and matched duty points extend wear-part life.
- Rugged design and easy maintenance shorten service time and downtime.
- Optimized hydraulics and adjustable clearances reduce energy use over time.
What to Send DAE Pumps for Slurry Pump Sizing
To help DAE Pumps recommend the right slurry pump and confirm a performance curve, send the following details:
- Material Type: Sludge, sand, ash, or the specific slurry being pumped.
- Solids Size and Content: Largest solids and the estimated percentage of solids.
- Target Flow Rate: The required flow rate in gallons per minute (GPM).
- Head and Distance: Vertical lift, horizontal run, and any pipe or hose bends.
- Specific Gravity: The density of the material relative to water.
- Viscosity and pH: The slurry's thickness and corrosiveness.
- Temperature: Operating temperature and any chemical compatibility concerns.
- Positioning and Power: Vertical or horizontal installation, submersible or surface-mounted, with electric, diesel, or hydraulic power.
- Setup: Open waterway, open or enclosed tank, or waste handling facility.
Slurry Pump FAQs
What is a slurry pump?
A slurry pump is a heavy-duty pump built to move slurry, a dense mixture of liquid and suspended abrasive solids. Also called a sludge, trash, or process pump, it uses abrasion-resistant materials to handle material that would clog or destroy a standard centrifugal pump.
How does a centrifugal slurry pump work?
One or more impellers spin and draw slurry into the suction end, then centrifugal force pushes it through the volute, which converts the impeller's energy into pressure before the slurry exits the discharge. This suits high flow rates and dirty, abrasive material.
What is the difference between a slurry pump and a dredge pump?
A dredge pump is a type of slurry pump built to continuously move large solids directly from a water body, deployed by cable, excavator, or pontoon. All dredge pumps are slurry pumps, but not all slurry pumps are built for dredging.
What materials can a slurry pump handle?
Slurry pumps move abrasive materials like muck, sand, ash, lime, gypsum, bentonite, pulp, paste, wastes, oils, solvents, and food slurries, in many thicknesses and temperatures. The material determines the pump type and wear parts.
How do I size a slurry pump?
Sizing depends on the material, solids size and content, flow rate, head and distance, specific gravity, viscosity, and pH. A DAE Pumps expert matches these to a performance curve and confirms the duty point for the most efficient pump.
What causes slurry pump wear?
Abrasive solids and high discharge pressure drive wear on impellers, liners, and seals. Lower discharge pressure and a matched duty point extend wear-part life, which is why sizing the pump correctly matters.
How often should slurry pumps be serviced?
Service intervals depend on the abrasiveness of the material and duty cycle. Regular inspection of impellers, liners, seals, and bearings, with scheduled wear-part replacement, keeps the pump efficient and prevents unplanned downtime.
What is the best impeller material for abrasive slurry?
Rubber and high-chrome iron are common choices. Rubber resists abrasion and suits many slurry chemistries, while high-chrome handles heavier, more abrasive solids. DAE Pumps matches the material to the slurry.
How much does an industrial slurry pump cost?
Cost depends on the type, size, materials, and drive. DAE Pumps builds economical to heavy-duty slurry pumps and prices each to the application, so send your material and flow details for a quote.
Which slurry pump is best for mining applications?
Mining commonly uses heavy-duty centrifugal slurry pumps, submersible pumps for sumps and basins, and dredge pumps for tailings. The right choice depends on the material, solids, and setup, which a DAE Pumps expert can confirm.
Need a specific slurry pump? Explore the submersible slurry, self-priming, flooded suction, dredge, and positive displacement pump lines for full specs and models.
We're Here to Help
For help selecting the right slurry pump for your material and flow, call us or request a quote today.
