Facing the harsh Middle Eastern desert environment and large-scale production requirements, Saudi Arabian Mining Company (Ma’aden) introduced the Chinese-made M350KSH and M300KSH series of high-flow slurry pumps for its core mineral processing plant project, ensuring efficient and stable operation of the slurry transport system.
Saudi Arabia, one of the world’s richest mineral resource regions, is rapidly developing its mining industry towards scale and modernization. As a major mining company in the region, Saudi Arabian Mining Company (Ma’aden) places extreme demands on the efficiency, reliability, and durability of its key mineral processing plant equipment. The slurry transport system in this project must handle extremely high slurry flows (over 3200 m³/h) while maintaining a moderate head (35 meters) and ensuring continuous, stable operation with low failure rates. After rigorous technical evaluation and a global bidding process, the company selected the M350KSH and M300KSH slurry pump solutions provided by a renowned Chinese pump company.
1. Project Background: Saudi Mining Group’s High-Standard Conveying Challenges
This mineral processing project for Saudi Mining Group was designed to process large quantities of slurry containing highly abrasive solid particles. The harsh local environment of high temperatures and strong winds and sand posed severe challenges to the equipment’s sealing, cooling, and corrosion resistance. Critical to the project’s success was that the core conveying equipment must meet the following key requirements:
1.1High flow capacity:
The main process required a single pump flow rate of 3203 m³/h to meet the needs of large-scale production.
1.2 Stable and reliable operation:
24/7 continuous operation was required, with minimal unplanned downtime.
1.3 Excellent abrasion resistance:
The slurry conveyed contained hard particles, requiring extremely long service life for the flow-through components.
High energy efficiency standards: With rising energy costs, equipment efficiency is directly related to operating costs.
Ease of maintenance: Simplifying maintenance procedures and reducing maintenance time are crucial in harsh environments.
2 Solution: Customized Slurry Pump Configuration and Technical Advantages
Targeting the specific operating conditions of the Saudi Mining Group, we provided a customized solution centered around the M350KSH and M300KSH slurry pumps.
M350KSH High-Flow Slurry Pump (Main Pump)
Application: Main process slurry transportation
Flow rate: 3203 m³/h
Head lift: 35.55 m
Technical Highlights:
Heavy-duty double-shell construction: The outer shell is pressure-bearing, while the inner lining is constructed of ultra-high chromium alloy (Cr27 or higher), providing dual protection and excellent wear resistance, effectively handling high-concentration slurry erosion.
Optimized hydraulic model: The impeller and pump body are optimized using computational fluid dynamics (CFD) to reduce eddy currents and energy loss, ensuring high efficiency even under high-flow conditions.
Heavy-duty bearing assembly: Utilizes internationally renowned heavy-duty roller bearings equipped with a forced lubrication system to ensure long bearing life under heavy loads.
M300KSH Slurry Pump (Matching Pump)
Application: Secondary process or auxiliary conveying
Flow rate: 1555 m³/h
Head: 34.66 m
Technical Highlights:
Interoperability with the M350KSH: Key wear parts (such as seals and bearings) are designed for compatibility with the M350KSH, reducing spare parts inventory and costs.
Efficient Sealing System: Designed to meet the high-temperature drying requirements of Saudi Arabia, an advanced combination of impeller dynamic seals and mechanical seals is employed to effectively prevent slurry leakage and adapt to high-temperature operating conditions.
System Advantages: This pump configuration creates a perfect flow-head match, ensuring a balanced and efficient conveying system, like a “powerful and reliable heart” for mining slurry conveying.


3 Technical Highlights: Innovative Design for Harsh Mining Applications
To ensure long-term, stable operation at Saudi mining companies, the M350KSH and M300KSH series slurry pumps integrate several core technologies:
Excellent Wear Resistance
The flow-through components (impeller, guard plate, volute liner, etc.) are all made of vacuum-melted high-chromium cast iron. The carbide hardness in its metallographic structure reaches over HV1600, making it over five times more wear-resistant than ordinary materials. Furthermore, the replaceable modular design eliminates the need to replace the entire pump body in the event of localized wear, significantly reducing maintenance costs.
Cooling and Sealing System for High-Temperature Environments
The bearing housing cooling system has been specially enhanced to ensure that bearin
g temperatures remain within a safe range even in Saudi Arabia’s ambient temperatures exceeding 50°C. The sealing system utilizes pressurized double-face mechanical seals equipped with a clean water flushing device to completely eliminate seal failure caused by sand intrusion.
Intelligent Monitoring and Predictive Maintenance Interfaces
The pump body features built-in interfaces for vibration and temperature sensors, enabling easy connection to the mine’s central monitoring system. Real-time monitoring of operating data enables predictive maintenance, providing early warnings before failures occur and avoiding significant losses caused by unplanned downtime.
4. Application Results: Significantly Improved Operational Efficiency and Economic Benefits
Since its commissioning, this series of slurry pumps has delivered significant economic and technical benefits to the Saudi Mining Group:
Extremely Stable Operation: To date, the M350KSH main pump has achieved over 10,000 hours of continuous trouble-free operation, far exceeding expectations and earning high customer recognition for its reliability.
Maintaining Costs Significantly Reduced: Thanks to its excellent wear resistance, the replacement cycle for wetted components has been extended by at least half, reducing annual maintenance costs by over 40%. The modular design reduces single maintenance visits by approximately 50%.
Excellent Energy Performance: The efficient hydraulic design enables the pump units to achieve an average operating efficiency of over 82%, significantly reducing annual electricity savings compared to the original solution and aligning with the development philosophy of green mining.
Maximizing Production Efficiency: Nearly zero unplanned downtime ensures continuous operation of the concentrator production line, ensuring stable production output for the Saudi Mining Group.
Customer Comment: Ahmed Faiz, Project Equipment Manager at Saudi Mining Group, said, “The Chinese-made M350KSH slurry pumps impressed us with their incredible durability and stability. They perfectly fulfilled our core production responsibilities under such demanding operating conditions, and their outstanding energy-saving performance also helped us reduce operating costs. This was a very successful collaboration.”
5. Industry Value: Providing Chinese Solutions to International Mining Giants
The success of the Saudi Mining Group project has far-reaching industry-leading significance:
Proof of Technical Strength: This demonstrates that high-end Chinese-made slurry pumps are fully capable of serving world-class mining companies, breaking the monopoly of European and American brands in the high-end market.
A Model of Adaptability: This provides a mature and reliable equipment selection model for slurry transportation in high-temperature and highly abrasive working conditions in the Middle East.
Life Cycle Cost Advantage: Made in China products are not only competitively priced, but also offer superior life cycle costs (LCC) through low energy consumption, long life, and easy maintenance, creating long-term value for customers.
About Us
www.sandpumpmachine.com As a professional industrial pump solutions provider, we are committed to providing high-performance, long-life, energy-saving and environmentally friendly slurry pumps, sand pumps, desulfurization pumps, and other products and customized services to the global mining, metallurgy, power generation, coal, and other industries. The success story of Saudi Mining Group is just one example of our commitment to serving our global customers.
For more information on the technical specifications of the M350KSH and M300KSH series slurry pumps or to request customized solutions, please contact us.
Authored by
Tai’an OCEAN Pump Co., Ltd.
Alina.Liu
Email: Oceanpump15@tsbeng.com
WhatsApp: +86 17354610320