When it comes to handling thick slurry, the Heavy Duty Submersible Slurry Pump is the most commonly used pump type. This robust equipment is specifically designed to pump highly viscous liquids that contain suspended solids. Its heavy-duty construction enables it to tackle the challenges posed by thick slurry effectively.

The Heavy Duty Submersible Slurry Pump is typically equipped with an agitator, which helps to break down and mix the slurry, ensuring smooth pumping operations. The pump utilizes a rotating impeller to move the slurry, functioning in a similar manner to a standard centrifugal pump handling water-like liquids. The impeller’s rotation creates a centrifugal force that pushes the slurry towards the pump’s outlet.

submersible slurry pump worksite
submersible slurry pump worksite
Submersible Sand Slurry Pump

1.What is Heavy Duty Submersible Slurry Pump

A Heavy Duty Submersible Slurry Pump is a robust industrial pump designed to handle thick, abrasive slurry mixtures. These pumps feature a submersible design that allows them to operate fully submerged in the slurry, enabling them to move large volumes of the liquid at high flow rates. The key characteristics of heavy-duty submersible slurry pumps include their ability to handle solid particles suspended in the slurry without clogging or damage, and the use of wear-resistant materials in critical components like the impeller and volute. These specialized pumps are commonly found in industries that deal with demanding slurry applications, such as mining, mineral processing, dredging, and wastewater treatment, where their rugged construction and reliable performance make them well-suited for the task.

2.Understanding Thick Slurry

Before discussing the specifics of the pump best suited for transferring thick slurry, it’s essential to understand what constitutes a thick slurry. Thick slurries are mixtures of solid particles suspended in a liquid, typically water, where the solid content is high enough to significantly increase the mixture’s viscosity. These highly viscous, abrasive slurry mixtures are commonly encountered in industries such as mining, dredging, construction, and wastewater treatment, where efficiently handling materials like mud, sand, and waste is a critical requirement.

3.How To Choose Heavy Duty Submersible Slurry Pump for thick slurry

When selecting a heavy-duty submersible slurry pump to handle the transfer of thick slurry, the following key factors and characteristics should be comprehensively considered:

3.1 Flow Rate and Head Capacity:

Based on the specific application requirements and the volume of slurry that needs to be transferred, the required flow rate and head (pressure) parameters should be precisely calculated and determined. Subsequently, when selecting the pump model, it is crucial to ensure that its flow rate and head capacity can fully meet the operational requirements.

3.2 Solids Handling Capability:

Conduct a detailed assessment of the size and concentration of solid particles in the slurry. In the selection of the pump model, priority should be given to those with optimized impeller and casing designs to ensure the smooth passage of solid particles, thereby avoiding clogging or excessive wear issues. For example, the large particle submersible slurry pumps manufactured by OCEAN Pump feature a unique impeller design that not only ensures flow rate and head, but also provides large flow passages, effectively preventing clogging.

3.3 Abrasion Resistance:

Given the abrasive nature of the slurry, the wear resistance of the pump materials is of paramount importance. Therefore, it is recommended to select pumps made of highly abrasion-resistant materials, such as chrome-alloy steel or specialized rubber/elastomer coatings. OCEAN Pump utilizes Cr26 high-chrome alloy material, which has significantly higher wear resistance compared to traditional cast iron materials.

3.4 Submersibility and Cooling Mechanism:

The pump design must ensure that it can be fully submerged in the slurry to achieve efficient and reliable operation. Additionally, the pump should be equipped with an adequate cooling mechanism to prevent damage due to overheating during continuous submersed operation. Since the pump will be completely submerged in the water during operation, the cooling process will be directly facilitated by the water body. For shallow water operations, OCEAN Pump has specially designed a cooling shroud that utilizes circulating water to effectively cool the motor.

3.5 Maintainability:

When selecting the pump model, priority should be given to those with easily accessible components and designs that facilitate routine maintenance and repairs. This will help reduce downtime and improve the overall operational efficiency of the equipment.


OCEAN Pump’s heavy-duty submersible slurry pumps are meticulously designed to meet the stringent requirements of thick slurry transfer. Our pumps are not only durable and efficient, but also easy to maintain and highly reliable. Here are some key reasons why OCEAN Pump’s slurry pumps stand out:

4.1 Robust Construction:

Our pumps are made of high-quality, wear-resistant and corrosion-resistant materials, ensuring an extended service life even in the most demanding environments.

4.2 High Efficiency:

Our pump designs minimize energy consumption while maximizing flow rate and head capacity, making them a cost-effective solution for slurry transfer.

4.3 Versatility:

We offer a range of slurry pumps suitable for various applications and industries, ensuring you can find the product that best fits your specific slurry transfer requirements.

4.4 Global Support:

We place a strong emphasis on product exportation and provide comprehensive support and services for our international customers, ensuring your operations run smoothly no matter your location.

4.5 Innovative Technology:

OCEAN Pump’s slurry pumps feature advanced design elements, such as our unique impeller and casing configurations, which effectively prevent clogging and excessive wear, even when handling highly abrasive slurry mixtures.

4.6 Customization:

We understand that each application is unique, and we are dedicated to working closely with our clients to customize our slurry pumps to meet their specific needs, ensuring optimal performance and reliability.


In summary, OCEAN Pump’s heavy-duty submersible slurry pumps, with their outstanding performance and functional advantages, are widely used in a variety of applications, including mining, dredging, and wastewater treatment, making them the preferred choice for handling thick, viscous slurry. These pumps are manufactured using high-quality, wear-resistant materials, ensuring a robust and durable construction that significantly extends their service life. Moreover, their highly efficient and energy-saving designs maximize flow rate and head capacity, resulting in cost-effective operation.

By comprehensively considering the above key factors, you will be able to select the most suitable heavy-duty submersible slurry pump to efficiently and reliably handle the transfer of thick, abrasive slurry mixtures in your specific application. OCEAN Pump’s excellent sales representative, Lingda Kong, will conduct a comprehensive evaluation based on the provided operating conditions and recommend the most appropriate pump model for your requirements.