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How to Choose Best Slurry Pump ?

Apr. 29, 2024

How to Choose Best Slurry Pump ?

Here are some key considerations to guide your selection process when choosing the best slurry pump for a specific application:

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Application Requirements: Understand the specific requirements of your slurry pumping application. Consider factors such as the type and characteristics of the slurry (e.g., particle size, density, viscosity), required flow rate, total head, and the distance over which the slurry needs to be pumped.

Pump Type: Different types of slurry pumps are available, including centrifugal pumps, submersible pumps, and positive displacement pumps. Each type has its advantages and limitations. Centrifugal pumps are commonly used in slurry applications due to their efficiency and ability to handle high flow rates. Submersible pumps are suitable for pumping slurries from submerged locations. Positive displacement pumps can handle high-viscosity slurries or those containing large solids.


Construction Materials: Slurry pumps need to be constructed with materials that can withstand the abrasive and corrosive nature of the slurry being pumped. Consider the compatibility of the pump's wetted parts (impeller, volute, casing) with the slurry composition. Materials such as high-chrome alloys, rubber, or polyurethane may be used for wear resistance

sand size

Solids Handling Capability: Evaluate the pump's ability to handle solids present in the slurry. Look for features such as large passages, agitators, or special designs that prevent clogging or excessive wear.

Efficiency and Operating Costs: Consider the pump's efficiency to ensure optimal energy usage and lower operating costs. Look for pumps with high hydraulic efficiencies and consider the power requirements for your application.

Manufacturer and Reputation: Choose a reputable manufacturer with a track record of producing reliable and high-quality slurry pumps. Consider factors such as after-sales support, warranty, and availability of spare parts.

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Maintenance and Serviceability: Assess the ease of maintenance and serviceability of the pump. Look for features such as easy access to components, replaceable wear parts, and availability of maintenance guidelines.


Budget Considerations: Consider the upfront cost of the pump as well as the long-term operating and maintenance costs. Balance the initial investment with the expected performance and durability of the pump.

Pump Size and Capacity: Consider the physical size and capacity of the pump. Ensure that the pump's size and flow capacity match the requirements of your application. Oversized or undersized pumps may lead to inefficiencies or operational issues.


Pump Head and Pressure: Evaluate the pump's head and pressure capabilities. The pump should be able to provide sufficient pressure to overcome the resistance in the pipeline system and deliver the slurry to the desired location.

Sealing and Leakage Prevention: Slurry pumps operate in demanding conditions, and proper sealing is crucial to prevent leakage. Look for pumps with effective sealing mechanisms such as mechanical seals or gland packing to minimize the risk of leakage.

Pump Reliability and Durability: Choose a pump that is known for its reliability and durability. Consider factors such as the pump's design features, robust construction, and the quality of materials used. A reliable pump will minimize downtime and maintenance costs.

Operational Flexibility: Assess whether the pump offers operational flexibility to adapt to varying slurry conditions, flow rates, or operational requirements. Some pumps may have adjustable impellers or speed controls to optimize performance.

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Energy Efficiency: Energy consumption can be a significant operating cost when using slurry pumps. Look for pumps that are designed for energy efficiency, with features such as optimized impeller designs or variable speed drives that can help reduce power consumption.

System Integration: Consider the compatibility and ease of integration with your existing system or equipment. Ensure that the pump can be seamlessly integrated into your slurry handling system without significant modifications or disruptions.

Expert Advice and Support: If you are unsure about the selection process, seek advice from pump manufacturers, distributors, or industry experts. They can provide guidance based on their experience and knowledge to help you choose the best slurry pump for your specific application.

Remember that selecting the best slurry pump involves considering the unique requirements of your application and balancing factors such as performance, durability, cost, and support.

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Which Type of Slurry Pump Is Best for My Application?

What’s in your slurry? When it comes to choosing the right slurry pump for your application, you have a few options to choose from. Learn more about slurry pump types, what materials suit each pump best, and how to find the right type.

Slurry types

In theory, any solid can be hydrotransported. However, particle size and shape can be limiting factors depending whether they can fit through pump passages without causing blockages. Within the broader “slurry” category are four slurry classifications that determine how to best choose appropriate slurry pumps.

Class 1: Mildly Abrasive
Class 2: Slightly Abrasive
Class 3: Significantly More Abrasive
Class 4: Highly Abrasive

It may be no surprise Oil Sands pumps are ideal for moving highly abrasive class-four slurries. Because slurry pumps are made specifically to hydrotransport large-particle solids, they also ensure better wear performance in harsh conditions. But there’s more to choosing a pump than knowing the type of slurry it will move.

Four centrifugal slurry pump types

While centrifugal slurry pumps are well-known for their use in the Oil Sands, many have additional applications.

  1. Hydrotransport — Hydrotransport pumps cover a wide range of applications because moving slurry is hydrotransport. These slurry pumps are best used with water-based solutions and are often used in dredging.
  2. Tailings Transfer — Tailings Transfer pumps are best suited for transporting tailings, or the finer abrasive particles that result from hard rock mining, like mud and ore particles, as well as associated chemicals used in the mining process. Pending specific applications, LSA, LCC, and MDX pumps from GIW are all useful for tailings transfer.
  3. Cyclone Feed — Like tailings pumps, cyclone feed pumps are also used in hard rock mining and are similar to hydrotransport pumps as they’re applicable to dredging operations. In the cyclone feed market, these pumps are used in all stages of scalping or separating solids by particle size. GIW’s LSA and MDX slurry pumps are widely used for cyclone feed applications, depending on the required size range.
  4. Flotation Froth — Transporting froth using a slurry pump is a unique application in that the air contained in froth can negatively impact pump performance. This also means it’s difficult to predict pump performance life for these applications. Due to these factors, oversized High-Volume Froth (HVF) pumps, which remove air from froth, are necessary for froth applications.

Choosing the right pumps for specific slurries can help pump owners avoid unnecessary maintenance, repairs, and related downtime. In addition, proper pump applications make for safer work environments, offering those working on or around pumps peace of mind. Perhaps best of all, purpose-chosen slurry pumps also have longer wear lives, boosting owners’ bottom lines.

Still don’t know which pump type is right for your application? Those with unique slurry pumping requirements need not fear. Based on data from over 3,000 centrifugal slurry pumps, GIW’s proprietary pump selection program called SLYSEL can help prospective pump owners get what they need down to their exact specifications. Plus, SLYSEL can help pump operators ensure they’re operating pumps correctly — from properly calculating performance curves and pipe friction loss to evaluating other operational factors and pumps themselves — reducing room for error and maintaining pump longevity.

Ready to choose your next slurry pump? Learn how by downloading the presentation “ How to Choose the Best Slurry Pump for My Application .”

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