Submersible Slurry Pump - Heavy-Duty Solution for Abrasive Slurry Transfer
Product Overview
ZC Submersible Slurry Pump is a heavy-duty centrifugal pump designed especially for moving slurries that are extremely abrasive and dense. Designed with industrial-grade precision, our pump delivers remarkable performance with a head range of 6~26m, capacity from 20~280m³/h, and motor power spanning 3~45kW. Even under the most severe circumstances, the impeller and casing's long service life is guaranteed by their construction from high-chromium alloy materials.
Our fully sealed waterproof design eliminates suction lift challenges while large impeller passages prevent clogging from oversized solid particles. For your dredging, tailing pond cleanup, and foundation pit dewatering operations, you are investing in proven dependability with ISO 9001/14001/45001 certifications, TÜV, and BV approvals.

Technical Specifications
| Model |
Diameter (mm) |
Capacity (m³/h) |
Head (m) |
Speed (r/min) |
Power (kw) |
Efficiency (%) |
Weight (kg) |
Head Range |
| WQ100-30-15 |
100 |
100 |
30 |
1450 |
15 |
52.8 |
238 |
15-30 |
| WQ130-20-15 |
100 |
130 |
20 |
1450 |
15 |
53.3 |
238 |
10-20 |
| WQ180-15-15 |
150 |
180 |
15 |
1450 |
15 |
54.8 |
274 |
7-15 |
| WQ250-11-15 |
200 |
250 |
11 |
1450 |
15 |
55.8 |
273 |
5-11 |
| WQ100-35-18.5 |
150 |
100 |
35 |
1450 |
18.5 |
52.7 |
323 |
16-35 |
| WQ180-20-18.5 |
150 |
180 |
20 |
1450 |
18.5 |
55.7 |
323 |
10-20 |
| WQ250-15-18.5 |
200 |
250 |
15 |
1450 |
18.5 |
55.7 |
322 |
7-15 |
| WQ180-25-22 |
150 |
180 |
25 |
1450 |
22 |
55.7 |
330 |
12-25 |
| WQ130-30-22 |
150 |
130 |
30 |
1450 |
22 |
53.3 |
330 |
15-30 |
| WQ100-40-22 |
100 |
100 |
40 |
1450 |
22 |
52.7 |
342 |
20-40 |
| WQ400-10-22 |
200 |
400 |
10 |
1450 |
22 |
58.8 |
329 |
5-10 |
| WQ300-15-22 |
200 |
300 |
15 |
1450 |
22 |
57.6 |
329 |
7-15 |
| WQ50-80-22 |
80 |
50 |
80 |
2900 |
22 |
52.2 |
310 |
40-80 |
| WQ500-9-22 |
250 |
500 |
9 |
1450 |
22 |
58.5 |
345 |
5-9 |
| WQ650-7-22 |
300 |
650 |
7 |
1450 |
22 |
57.6 |
362 |
3-7 |
| WQ120-45-30 |
100 |
120 |
45 |
1450 |
30 |
52.7 |
448 |
22-45 |
| WQ180-30-30 |
150 |
180 |
30 |
1450 |
30 |
55.7 |
437 |
15-30 |
| WQ250-22-30 |
200 |
250 |
22 |
1450 |
30 |
56.3 |
455 |
10-22 |
| WQ100-13-30 |
200 |
400 |
13 |
1450 |
30 |
58.8 |
455 |
6-13 |
| WQ600-9-30 |
250 |
600 |
9 |
1450 |
30 |
59.9 |
494 |
4-9 |
| WQ800-7-30 |
300 |
800 |
7 |
1450 |
30 |
60.1 |
454 |
4-7 |
| Note |
For more models, please contact us. |
These specifications ensure you receive equipment that matches your project's hydraulic and abrasion resistance requirements precisely.
Key Applications
Your industry faces unique challenges. Our pump addresses them effectively across multiple sectors:
Dredging & Desilting Engineering: The pump's capacity to function in deep water is advantageous for sand extraction, river channel cleaning, and harbor maintenance. The intricate shaft configurations needed for conventional dredging equipment are eliminated by the integrated design.
Cleanup of Tailing Ponds and Settling Pits: Abrasive tailings from mining activities settle in storage ponds. The bottom agitator option resuspends settled solids for effective removal, and the high-chrome design of our pump resists erosive wear.
Municipal & Construction Foundation Pits: Deep pits containing bentonite slurry and drilling debris are produced by building excavations, bridge foundations, and subway construction. Your crew will save a great deal of time because the pump manages this mixture effectively and without priming problems.
Industrial Waste Management: Where standard equipment would be destroyed by corrosive, scale-heavy slurries, coal-fired power stations, steel mills, and mineral processing facilities rely on our pumps for ash pond evacuation and sedimentation tank cleaning.
Engineering Advantages
What makes our Submersible Slurry Pump superior in demanding environments?
Robust Wear-Resistant Construction: Every component exposed to slurry utilizes high-chromium alloy with 27% chromium content. This material choice extends operational life to 3,000-5,000 hours in standard sand-pumping applications. Your maintenance intervals decrease significantly compared to conventional pumps.
Space-Saving Installation: No need for elaborate support structures or lengthy drive shafts. You lower the unit directly into the pit or sump, reducing installation costs and complexity. This compact design fits into confined spaces where traditional pumps cannot operate.
Submersible Operation Eliminates NPSH Issues: By placing the pump directly in the slurry, you eliminate Net Positive Suction Head requirements and cavitation risks. The surrounding fluid naturally cools the motor while maintaining optimal performance in deep sumps.
Large Passage Design: Impeller channels accommodate solid particles up to 60-75mm diameter. Your operations continue smoothly without frequent clogging that halts production and requires costly downtime.
Triple Motor Protection System: Dual moisture sensors detect seal chamber leakage, thermal sensors monitor winding temperature, and epoxy-sealed cable entries prevent water ingress. This redundancy ensures your pump operates safely even when monitoring isn't constant.
Integrated Agitator Option: Many configurations include a bottom-mounted agitator that creates a vortex to resuspend settled solids. You achieve higher solids concentration in each pump cycle, reducing total pumping time and energy consumption.

Quality Control & Manufacturing Standards
Your investment deserves rigorous quality assurance. Our manufacturing process includes:
Material Verification: Spectrographic analysis (PMI) confirms every high-chrome component meets chemical composition standards for wear resistance. You receive documentation proving material compliance.
Hydrostatic Testing: A pressure test at 1.5 times the maximum working pressure is performed on each casing. This protects your location from environmental pollution and guarantees zero leakage under operating stress.
Performance Testing: In accordance with ISO 9906 Grade 2B requirements, full-curve hydraulic testing confirm Flow (Q), Head (H), and Efficiency (η). Your standards are met by the certified performance data that comes with your pump.
Dynamic Balancing: Impellers and agitators are balanced to G2.5 standards, preventing premature bearing failure. This precision extends mechanical life and reduces vibration-related maintenance.
Seal and Insulation Testing: High-voltage insulation resistance tests and air-leakage tests for the mechanical seal chamber guarantee electrical safety and waterproof integrity.
With over 30 years of machinery manufacturing expertise and ISO-certified quality systems, we deliver consistent reliability you can measure.
Installation, Support & Warranty
Your project's success depends on proper implementation and ongoing support.
Installation Guidance: Comprehensive installation documentation, such as engineering drawings, flowcharts, and component diagrams, is provided by our technical staff. Step-by-step instructions specific to your site's circumstances will be provided.
Commissioning Services: We provide commissioning support on-site to ensure peak performance right away. Your operators receive hands-on training encompassing operation protocols and maintenance procedures.
One-Year Comprehensive Warranty: Every Submersible Slurry Pump includes a full year of warranty coverage. Should any manufacturing defect occur, we provide replacement parts and technical support promptly.
Technical Support Package: Access to operation and maintenance manuals, industry training programs, and complete project solutions from our professional service team ensures your equipment delivers maximum uptime.
Fast Delivery: Models that are in stock ship in three days. Within 15 days, custom configurations that meet your unique needs are produced. Effective international shipping is ensured by our alliances with significant logistics companies and our close proximity to the ports of Shanghai and Tianjin.
Frequently Asked Questions
Q: Why does the pump need an agitator?
Settled solids are resuspended into the water column by the agitator's controlled vortex. This maximizes productivity per pump cycle by enabling your pump to move heavy sediment concentrations without clogging.
Q: Can the pump run without being fully submerged?
While designed for submersion, many models include cooling jackets allowing the motor to operate in low-water "snoring" conditions without overheating. However, full submersion optimizes performance and component longevity.
Q: What's the maximum solid size it can handle?
Depending on your chosen model and impeller design, most heavy-duty configurations pass solids up to 60-75mm diameter. Larger passage designs are available for applications with oversized debris.
Q: How do you protect the motor from moisture?
We employ a triple-protection system: dual moisture sensors detect seal leak conditions, thermal sensors monitor winding temperature, and epoxy-sealed cable entries prevent water ingress. This redundancy provides reliable operation in fully submerged conditions.
Q: What's the service life of wear parts?
In standard sand-pumping applications, high-chrome impellers typically last 3,000-5,000 hours. Actual lifespan varies based on slurry abrasiveness, pH levels, and operational practices. We provide wear part replacement forecasts based on your specific conditions.
Q: Can you customize configurations for unique applications?
Absolutely. We offer flexible customization of dimensions, motor brands (domestic and international options), impeller designs, and material specifications. Our engineering team works with your requirements to deliver optimized solutions.
Contact Us
Ready to enhance your slurry handling operations with Submersible Slurry Pump? Contact our team at oliver@zcgukong.com for technical specifications, quotations, and application support tailored to your project requirements.