Introduction
What Makes Our Heavy-Duty Submersible Slurry Pump Different?
Core Design Features:
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28–32% High-Chrome Alloy Wet Parts
Impeller, volute casing, wear plate and suction cover are all cast from Cr26 / Cr28 high-chrome white iron — the industry gold standard for abrasive slurry handling. Hardness reaches HRC 58–65, delivering 3–4x longer wear life than standard cast iron pumps.
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Double Mechanical Seals with Oil Chamber
Premium silicon carbide (SiC) double mechanical seals with an intermediate oil chamber provide zero-leakage protection. The upper seal prevents slurry from entering the motor, while the lower seal protects the bearing assembly. No more burnt-out motors from seal failure.
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Heavy-Duty Submersible Motor
Class F insulation, IP68 waterproof rating, built-in thermal protection and overload sensors. The motor is designed for continuous 24/7 submerged operation, with service life of 15,000+ hours under normal conditions.
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Anti-Clogging Impeller Design
Semi-open impeller with large flow channels handles solids up to 30–50% of the pump outlet diameter without clogging. Perfect for slurry with mixed particle sizes, debris and fibrous material.
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Agitator / Cutter Option (Upgradable)
Optional bottom-mounted agitator or cutter head breaks up settled sediment, compacted sludge and hard clay layers, allowing the pump to suck high-concentration slurry directly from the bottom without pre-loosening.


Core Performance Advantages
1. Industry-Leading Wear Resistance = Lowest Total Cost of Ownership
- 3–4x longer than cast iron pumps
- 2x longer than low-chrome (10–15% Cr) pumps
- Comparable to premium brands at half the price
2. Submersible Design = No Priming, No Cavitation
- No priming needed — drop in and start
- Zero cavitation risk (pump is always below liquid level)
- Works in deep sumps, tailings ponds and open pits
- Compact footprint, no need for pump house or foundation
3. High Concentration = Higher Productivity
- More solids moved per hour
- Less water pumped = lower energy cost per ton
- Faster dewatering / tailings transfer
4. Wide Application Range
5. Easy Installation & Maintenance
- Drop-in installation — no complex piping or foundation
- Vertical or horizontal mounting options
- Modular design for easy disassembly and parts replacement
- All wear parts are standardized and interchangeable
Standard Technical Specifications (Heavy-Duty Submersible Slurry Pump)
| Parameter | 4-inch Model | 6-inch Model | 8-inch Model | 10-inch Model | 12-inch Model |
|---|---|---|---|---|---|
| Outlet diameter | 100mm (4″) | 150mm (6″) | 200mm (8″) | 250mm (10″) | 300mm (12″) |
| Flow rate | 20–100m³/h | 50–200m³/h | 100–400m³/h | 200–700m³/h | 400–1000m³/h |
| Head range | 10–30m | 10–40m | 10–50m | 10–55m | 10–60m |
| Motor power | 3–15kW | 7.5–30kW | 15–55kW | 22–90kW | 45–160kW |
| Max solid passing | 15mm | 25mm | 35mm | 50mm | 60mm |
| Wet part material | Cr26 high-chrome alloy | Cr26 high-chrome alloy | Cr26 high-chrome alloy | Cr28 high-chrome alloy | Cr28 high-chrome alloy |
| Seal type | Double mechanical seal (SiC) | Double mechanical seal (SiC) | Double mechanical seal (SiC) | Double mechanical seal (SiC) | Double mechanical seal (SiC) |
| Protection class | IP68 | IP68 | IP68 | IP68 | IP68 |
| Insulation class | Class F | Class F | Class F | Class F | Class F |
| Max submergence depth | 20m | 20m | 20m | 20m | 20m |
| Agitator option | ✅ | ✅ | ✅ | ✅ | ✅ |
| Cutter option | ✅ | ✅ | ✅ | ✅ | ❌ |
Comparison: Our Heavy-Duty Pump vs. Standard Slurry Pump vs. Premium Brand
| Feature | Yuanyang Heavy-Duty High-Chrome Pump | Standard Low-Cost Slurry Pump | Premium International Brand |
|---|---|---|---|
| Wet part material | Cr26/Cr28 high-chrome alloy (HRC 58–65) | Cast iron or low-chrome (HRC 30–40) | High-chrome alloy (HRC 60–65) |
| Wear life | 2–3 years (normal operation) | 3–6 months | 2.5–3.5 years |
| Seal type | Double SiC mechanical seal + oil chamber | Single mechanical seal or packing | Double mechanical seal + oil chamber |
| Motor quality | Heavy-duty, Class F, IP68 | Light-duty, Class B, IP67 | Premium heavy-duty, Class H, IP68 |
| Purchase price | Medium (best value) | Very low | Very high (2–3x our price) |
| Total cost of ownership | Lowest | Highest (frequent replacements) | High |
| Spare parts cost | Low | Low (but frequent replacement) | Very high |
| Customization | Full customization | Limited | Limited (standard models only) |
| Lead time | 15–30 days | 7–15 days | 60–90 days |
Key Application Scenarios
1. Mining & Mineral Processing
- Tailings pond transfer and dewatering
- Slurry transport in concentrator plants
- Mine sump and pit dewatering
- Coal slurry and washery handling
- Gold / copper / iron ore slurry transfer
2. Dredging & Sand Extraction
- River and lake sand pumping
- Reservoir and pond desilting
- Channel and port maintenance dredging
- Tailing dam cleaning and reprocessing
3. Heavy Industry
- Steel mill scale pit cleaning
- Power plant ash slurry handling
- Cement plant slurry transport
- Chemical plant corrosive slurry (stainless steel option)
4. Construction & Infrastructure
- Foundation pit dewatering
- Tunnel and caisson slurry handling
- Bentonite slurry circulation
- Pile washing and slurry disposal
5. Environmental & Municipal
- Sewage and sludge pumping
- Industrial wastewater treatment
- River and lake sediment remediation
- Stormwater sump cleaning
Full Customization — Built for Your Exact Application
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Material customization:
- Standard: Cr26/Cr28 high-chrome alloy (abrasive slurry)
- Upgrade: 304/316L stainless steel (corrosive / chemical slurry)
- Upgrade: Duplex stainless steel (highly corrosive + abrasive)
- Upgrade: Rubber-lined (fine abrasive + corrosive)
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Performance customization:
- Flow rate and head matched to your system
- High-head / low-flow or low-head / high-flow designs
- Custom voltage and frequency (380V/415V/440V, 50Hz/60Hz)
- Explosion-proof motor (Exd II BT4) for hazardous areas
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Functional customization:
- Bottom agitator for settled sediment
- Cutter head for compacted sludge / clay
- Water jet ring for fluidizing hard-packed sand
- Auto-coupling guide rail system for sump installation
- Float switch for automatic level control
- Control panel with monitoring and protection
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Accessory options:
- Submersible agitator
- High-pressure water jet system
- Discharge hose and fittings
- Spare parts kits
- Lifting chain / cable
Why Choose Tai’an Ocean Pump Industry?
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29+ Years of Slurry Pump Expertise
We’ve been designing and manufacturing dredge pumps and slurry pumps since 1996. Our pumps are proven in the harshest conditions across 36+ countries.
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In-House Foundry & Manufacturing
We cast our own high-chrome alloy parts in our own foundry. This means strict quality control, consistent material composition and factory-direct pricing — no middlemen.
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Strict Quality Control
Every pump undergoes:
- Material composition testing (spectrometer)
- Hardness testing (HRC)
- Hydrostatic pressure testing (1.5x working pressure)
- Full load performance testing
- Vibration and noise testing
- ISO9001 and CE certified
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Factory-Direct Pricing
Buy directly from the manufacturer. No trading companies, no distributors, no markup. You get the best possible price and direct technical communication with our engineers.
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Global After-Sales Support
- 24/7 English technical support
- Fast spare parts shipping worldwide (7–15 days)
- On-site installation and commissioning guidance
- 12-month warranty + lifetime technical support
- Video troubleshooting and repair guidance
Get Your Free Custom Slurry Pump Quote & Sizing Recommendation
- Slurry type (sand / silt / clay / tailings / chemical)
- Solid particle size and concentration
- Required flow rate and head
- Sump / pond depth
- Liquid temperature and pH
- Power supply (voltage / frequency)
- Any special requirements (explosion-proof, corrosion-resistant, etc.)
Our engineering team will reply within 24 hours with:
✅ Free pump sizing and selection recommendation
✅ Detailed technical specifications
✅ Factory-direct quotation
✅ Recommended spare parts list
✅ Expected wear life estimate for your application