12-Inch Slurry Pump (14×12)
HD-12000 (14″ Suction by 12″ Discharge) Flex Coupled Pump – Heavy Duty Industrial Pump
The 12-Inch Heavy Duty Slurry Pump is built for high-volume transfer of abrasive, high-solids material where uptime matters. With a 14-inch suction and 12-inch discharge, it moves slurries containing up to 40–70% solids by weight while passing solids up to 11 inches without clogging. Flow rates typically range from 2,600 to 7,300 GPM with head up to 180 ft, supporting long discharge runs and demanding production targets. The open-rotor design minimizes wear, reduces maintenance, and maintains consistent performance under abrasive conditions. Designed for flexible horizontal or vertical installation, this pump delivers reliable output in the harshest slurry applications.
Built for Abrasive Slurry Applications
- Designed to move slurries with up to 40–70% solids by weight while maintaining stable flow, even as material density and composition change during operation.
- Capable of passing solids up to 11 inches in diameter, allowing oversized debris, rocks, and fibrous material to move through without clogging or shutdowns.
- Open rotor and wide internal clearances reduce friction and internal wear, extending component life in highly abrasive and corrosive environments.
- Delivers high flow capacity from 2,600 to 7,300 GPM, supporting large-volume material transfer and production-driven pumping requirements.
- Generates head up to 180 ft, making it suitable for long pipeline runs, elevation changes, and remote discharge points.
- Compatible with horizontal or vertical configurations, enabling use in fixed installations, floating platforms, or submerged applications.
- A simplified mechanical design shortens service intervals, reduces maintenance labor, and improves overall lifecycle cost control.
Gallery
12-Inch Slurry Pump (HD-12000) In Action
Technical Specifications
Performance Specifications
- Flow Range: 2600 – 7300 GPM
- Head Range: Up to 180 ft
- Solids Handling: Up to 11 inches
- Percent Solids by Weight: Up to 70%
- Production Rate: 500 – 600 yd³/hr
- Motor Speed: 900 RPM
Physical Specifications
- Discharge Size: 12-inch
- Suction Size: 14-inch
- Pump Orientation: Can be deployed horizontally or vertically
Material Construction
- Rotor: High Chrome 28%, Ductile Iron, Stainless Steel, Duplex Stainless
- Volute Casing: High Chrome 28%, Ductile Iron, Stainless Steel, Duplex Stainless
- Shaft: Chromoly or Stainless Steel
- Mechanical Seal: Dual Tungsten Carbide or Silicon Carbide with self-contained seal flushing system
- Bearing Housing: Ductile Iron or Stainless Steel
EDDY Pump – 12 Inch HD-12000 Heavy Duty Slurry Pump – Pump Curve
PUMP CURVE
The pump curve for the 12-Inch Heavy Duty Slurry Pump shows stable operation across a wide flow range, supporting 2,600 to 7,300 GPM with a head up to 180 ft. The curve maintains efficiency at higher solids concentrations, allowing consistent output as material density, wear, and system conditions change during operation.
Slurry Pump Models Comparison
| Model | Discharge Size | Suction Size | Flow Range (GPM) | Head Range (ft) | Solids Handling | % Solids by Weight | Production Rate (yd³/hr) | PDF  | PDF  |
|---|---|---|---|---|---|---|---|---|---|
| HD-1000 | 1 inch | 1.5 inch | 1 – 200 | Up to 170 | Up to 0.75 inch | 40–70% | 0–15 | ENG | |
| HD-2000 | 2 inch | 3 inch | 50 – 390 | Up to 90 | Up to 1.75 inches | 40–70% | 15–45 | ENG | ESP |
| HH-2000 | 2 inch | 3 inch | 100 – 600 | Up to 350 | Up to 1.75 inches | 40–70% | 25–60 | ENG | |
| HD-3000 | 3 inch | 4 inch | 100 – 780 | Up to 130 | Up to 2 inches | 40–70% | 45–75 | ENG | ESP |
| HD-4000 | 4 inch | 6 inch | 250 – 1200 | Up to 160 | Up to 3 inches | 40–70% | 75–150 | ENG | ESP |
| HD-5000 (5x5) | 5 inch | 5 inch | 400 – 1800 | Up to 225 | Up to 4 inches | 40–70% | 100–175 | ENG | |
| HD-5000 (5x6) | 5 inch | 6 inch | 400 – 1800 | Up to 225 | Up to 4 inches | 40–70% | 100–175 | ENG | |
| HD-6000 | 6 inch | 8 inch | 450 – 2500 | Up to 200 | Up to 5 inches | 40–70% | 150–200 | ENG | ESP |
| HD-8000 | 8 inch | 10 inch | 1400 – 3600 | Up to 230 | Up to 7 inches | 40–70% | 250–300 | ENG | ESP |
| HD-10000 | 10 inch | 12 inch | 1600 – 5000 | Up to 240 | Up to 9 inches | 40–70% | 300–350 | ENG | ESP |
| HD-12000 | 12 inch | 14 inch | 2600 – 7300 | Up to 180 | Up to 11 inches | 40–70% | 500–600 | ENG | ESP |
Industries Served
Dredging and Sediment Removal
Used for transferring sand, silt, clay, and debris from rivers, ports, reservoirs, and channels, where material size and density change constantly. The pump maintains a steady output while handling high solids concentrations and oversized debris without clogging.
Mining and Mineral Processing
Applied in ore slurry transport, tailings handling, and process water circulation, where abrasive particles accelerate wear in conventional equipment. The pump supports continuous operation while maintaining flow consistency in harsh, high-abrasion conditions.
Oil and Gas
Handles drilling fluids, cuttings, and produced solids during exploration, drilling, and cleanup operations. Its solids-tolerant design supports reliable material movement in applications where downtime disrupts critical workflows.
Wastewater and Treatment Facilities
Moves grit, sludge, screenings, and settled solids through treatment, transfer, and dewatering stages. The pump reduces blockages caused by debris, fibrous material, and variable solids content.
Industrial Manufacturing
Transfers abrasive byproducts, thick process slurries, and waste streams generated during heavy industrial operations. The pump supports reliable material handling where fluids contain solids that challenge traditional pump designs.
Power Generation
Used in ash slurry transport, waste handling, and byproduct removal systems. The pump manages dense, abrasive material while supporting steady operation in high-duty service cycles.
Marine and Offshore Operations
Supports seabed material handling, maintenance dredging, and slurry transfer in coastal and offshore environments. The pump performs reliably under fluctuating loads and harsh marine conditions.
Construction and Infrastructure
Handles excavation slurry, mixed spoils, and sediment-laden water during foundation work, tunneling, and earthmoving projects. The pump maintains productivity where solids content and debris size vary throughout the job cycle.
Fertilizer Production Facility Case Study
Problem
A large-scale fertilizer production facility was transferring phosphate rock slurry between the beneficiation, reaction, and storage stages. The material consisted of coarse rock fragments, fines, and a chemically active slurry, with solids concentration fluctuating throughout the day. Conventional centrifugal pumps frequently clogged at the suction, experienced rapid wear of internal components, and exhibited unstable flow that disrupted downstream processes. These issues led to repeated shutdowns, increased maintenance labor, and difficulty maintaining consistent production targets.
Solution
The 12-Inch Heavy Duty Slurry Pump by EDDY Pump was implemented as the primary transfer pump for phosphate slurry handling. Its non-clog open rotor design and wide internal clearances allowed large rock fragments and dense slurry to pass through without restriction. The pump was configured to operate at high flow rates while tolerating elevated solids content, reducing sensitivity to feed variability. Installation focused on continuous-duty operation with minimal operator intervention, supporting long run times between inspections.
Result
After deployment, the facility achieved stable, uninterrupted slurry transfer across processing stages. Blockages were virtually eliminated, wear-related maintenance intervals were extended, and flow consistency improved across the system. The improved reliability reduced downtime, stabilized production output, and lowered overall operating costs while supporting sustained, high-volume fertilizer production.
Call for sales or support
If you need assistance with pump selection, sales or engineering support, call 619-404-1916.
Questions? Talk to an Engineer
Frequently Asked Questions – Slurry Pump
What types of material can the 12-Inch Heavy Duty Slurry Pump handle?
This pump is designed to move abrasive, viscous, and high-density slurries containing sand, gravel, rock fragments, clay, ash, tailings, and industrial byproducts. It performs reliably with solids concentrations of 40–70% by weight and can pass solids up to 11 inches without clogging.
How does this pump prevent clogging compared to conventional slurry pumps?
The pump uses an open rotor with wide internal clearances rather than tight tolerances. This allows large solids, debris, and fibrous material to pass through the pump without accumulating at the suction or volute, significantly reducing blockages and shutdowns.
What flow and head ranges can this pump achieve?
Typical operating ranges fall between 2,600 and 7,300 GPM with head capability up to 180 ft. Actual performance depends on slurry density, particle size, pipeline length, and system configuration.
Is this pump suitable for continuous operation?
Yes. The pump is built for continuous, high-duty operation in abrasive environments. Its simplified internal design reduces wear concentration points, enabling longer runtimes and extended service intervals compared to traditional designs.
How does slurry density affect pump performance?
Higher slurry density increases system load but does not cause clogging or flow instability. The pump maintains consistent material flow as density varies, making it suitable for processes where solids concentration changes throughout operation.
What installation configurations are supported?
The pump can be installed in horizontal or vertical orientations and integrated into fixed systems, floating platforms, barges, or submerged applications. This flexibility allows adaptation to a wide range of site layouts and operational requirements.
How does abrasive material impact maintenance frequency?
Abrasive material accelerates wear in all slurry pumps, but the open rotor design reduces internal contact and turbulence. This results in slower wear rates, fewer component replacements, and reduced maintenance labor over the pump’s service life.
Can this pump handle oversized debris without pre-screening?
Yes. The pump is designed to pass large solids up to 11 inches, reducing or eliminating the need for upstream screening equipment. This simplifies system design and lowers the risk of upstream bottlenecks.
What industries typically benefit most from this pump?
Industries that handle high-solids, abrasive, or variable material benefit the most. These include dredging, mining, fertilizer production, power generation, wastewater treatment, marine operations, and heavy industrial processing.
How does this pump impact total cost of ownership?
By reducing clogging, minimizing unplanned downtime, and extending maintenance intervals, the pump lowers operating costs over time. Fewer shutdowns, less labor spent on cleanouts, and longer component life contribute to improved lifecycle economics.
HD (Heavy Duty) Slurry Pumps / Dredge Equipment
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