Product Introduction
Building upon the foundation of vertical slurry pumps, our submersible sludge pump represents a significant evolution, directly addressing the limitations of its predecessors. Through comprehensive optimization in its hydraulic model, sealing technology, mechanical structure, and control systems, this series delivers superior performance. Its simple design ensures easy installation, safe operation, and a long service life. As a fully submersible solution, it eliminates the need for complex ground-level foundations and structures, resulting in a cleaner, quieter, and vibration-free worksite.
Main Usage
Submersible sludge pump is engineered for highly abrasive slurries, including sand, cinder, and tailings. As an essential solution for sectors like mining, power, chemical, and municipal engineering, it combines high slag extraction efficiency with exceptional durability for harsh operating conditions. Its easy installation and mobility make it the ideal, high-performance alternative to traditional vertical sump pumps and submersible sewage pumps.
Working Conditions
Submersible sludge pump is designed to operate reliably under the following specified conditions:
Power Supply
Standard 380V, 3-phase, 50HZ. (Other voltages and frequencies are available upon request.)
Medium Properties
The pumped medium temperature should not exceed 60°C, with a pH value ranging from 4 to 10. The specific gravity must be ≤ 1300 kg/m³.
Medium Composition
Suitable for handling severely abrasive solid particles and mildly corrosive sewage slurry.
Solid Particle Size
The maximum diameter of solids must not exceed 80% of the pump's smallest port diameter.
Structure Drawing

|
1 |
Approved cable cover |
2 |
Electrode cap |
3 |
Junction box |
4 |
Cylindrical Roller Bearings |
5 |
Stator rotor assembly |
|
6 |
Shaft |
7 |
Angular contact ball bearings |
8 |
Motor barrel |
9 |
Machine sealing |
10 |
Cartridge seals |
|
11 |
Release Collar |
12 |
Shaft Sleeve |
13 |
Impeller |
14 |
Back liner plate |
15 |
Casing |
|
16 |
Front liner plate |
17 |
Die holder |
18 |
Base |
19 |
Retainer plate |
20 |
Stir wheel |




Our Factory
Shijiazhuang Zhengrong Pump Industry Co., Ltd. was founded in 1998 and is headquartered at No. 41 Xingye Street, Shijiazhuang Economic and Technological Development Zone. It comprises three production sites: the main production plant, the Zhengrong branch, and the Qigong branch, covering a total area of 198,000 square meters and boasting an annual designed production capacity of 10,000 tons. Each site features independent production lines integrating casting, heat treatment, machining, assembly, inspection, and testing. With a highly qualified research team and strong product development capabilities, the company has established a strong market reach after more than a decade of market development. Its products are distributed throughout 29 provinces, municipalities, and autonomous regions nationwide, and exported to over ten countries and regions, including Southeast Asia, the Middle East, and North America.
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