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The Kenda Metal Lined Slurry Pump is a premier heavy-duty, horizontal centrifugal pump designed specifically to handle high-density, abrasive, and coarse slurries in demanding industrial environments. Built with a robust double-casing structure, this pump ensures maximum safety and operational reliability under high-pressure conditions.
At the heart of our metal-lined series is the interchangeable A05 High-Chrome Alloy (27% Cr) liners and impellers. Unlike standard pumps, our metallurgy is vacuum-cast to ensure zero porosity, providing exceptional hardness (HRC 60+) and resistance against particle impingement. This significantly extends the mean time between maintenance (MTBM), reducing your total cost of ownership (TCO).
Our engineering team has optimized the impeller vanes to provide the highest hydraulic efficiency without compromising wear life. The pump features:
Replaceable Metal Liners: Precision-fit liners are bolted (not glued) for easy replacement and maintenance.
Flexible Sealing Options: Choose from Expeller Seals (centrifugal) for waterless operation, Packing Seals, or customized Mechanical Seals for zero-leakage requirements.
Multi-Stage Capability: Designed to allow multiple units to be installed in series for high-head, long-distance tailings disposal.
Kenda pumps are engineered to be dimensionally interchangeable with leading international brands, making them the ideal choice for plant upgrades or as high-performance replacements. Whether you are managing mineral processing (copper, gold, iron ore), coal washing, or power plant ash removal, our metal-lined pumps deliver consistent flow rates and superior suction performance in the harshest pH environments.
Pump- Cantilever, horizontal centrifugal slurry pump.
Wet parts-Impellers, volutes, liners are made of high chrome alloy or rubber or polyurethane, anti-abrasive, wear resistant and corrosion resistance.
Bearing assembly- Tubular structure bearing assembly, design of high capacity bearing. Grease lubrication, oil lubrication helps to adapt to different operating conditions.
Shaft seal- Sealed by packing or centrifugal.
Pump exit position- Based on 450 interval, rotating eight different angles of installation.
• Mining• Mineral processing• Coal prep• Cyclone feeds• Tunnel• Chemical slurries• Tailings• Mill grinding• Ash handing• Paper and Pulp• Waste sludge• Coarse sand• Lime mud• Phosphoric acid• Dredging• Construction• Alumina Industry• Power Plant• Potash Fertilizer Plant• Other industries
Looking for durable metal lined slurry pumps? Kenda's A05 high-chrome alloy pumps offer superior abrasion resistance for mining and mineral processing. 100% Interchangeable with Warman AH。Request a quick quote today!
A: The choice primarily depends on the particle size and shape of your slurry.
Metal Lining (High-Chrome Alloy): Best for handling large, coarse, or sharp particles and high-impact conditions (e.g., primary mining or gravel). It offers superior hardness (HRC 60+).
Rubber Lining: Ideal for fine particles (typically <5mm) and highly corrosive or acidic environments (pH 2-13). If your application involves heavy mining tailings or crushed ore with sharp edges, a Metal Lined Slurry Pump is usually the more durable choice.
A: Accelerated wear is often caused by three main factors:
Operating Away from BEP: If the pump operates too far from its Best Efficiency Point, internal turbulence increases, causing localized erosion.
Material Mismatch: The slurry's hardness might exceed the limits of the impeller alloy.
Cavitation: Insufficient suction pressure creates vapor bubbles that implode on the metal surface, pitting the impeller.Tip: Regularly adjust the impeller clearance to maintain high efficiency and reduce backflow erosion.
A: Yes. Kenda slurry pumps are engineered to be dimensionally interchangeable with international industry standards. Our wet-end parts—such as impellers, volute liners, and throat bushes—fit seamlessly into existing pump casings of similar designs. This allows you to upgrade to Kenda’s high-performance A05 wear-resistant parts without replacing your entire pump system, significantly reducing maintenance costs.
A: Proactive maintenance is key to longevity:
Impeller Adjustment: Periodically adjust the gap between the impeller and the throatbush to compensate for wear and maintain hydraulic performance.
Seal Maintenance: Ensure the expeller seal is properly lubricated or that the gland packing has the correct flow of cooling water to prevent slurry from entering the shaft sleeve.
Avoid Dry Running: Never run the pump without fluid, as this causes rapid heat buildup and can damage the mechanical seals or internal liners.
A: The maximum allowable particle size depends on the specific pump model and its discharge diameter. Generally, our metal-lined pumps are designed with wide internal passages to handle solids up to 50% to 80% of the discharge pipe diameter, depending on the particle concentration and shape. For specific spherical clearance data, please consult our engineering team with your slurry analysis.
Case Study 1: Improving Efficiency in a Coal Preparation Plant (Australia)
Industry: Coal Washing & Preparation
Challenge: An Australian coal plant struggled with high energy consumption and leaking shaft seals in their heavy-media circuit. They needed a reliable, high-efficiency solution that could integrate into their existing pipeline without costly modifications.
Our Solution: Kenda provided dimensionally interchangeable metal lined pumps with optimized Expeller Seals (Centrifugal Seals). This allowed the plant to operate without seal water, preventing slurry dilution.
Results:
Perfect Fit: 100% compatibility with existing piping, reducing installation time by 70%.
Energy Efficiency: The optimized hydraulic design led to a 12% reduction in power consumption.
Zero Leakage: The expeller seal eliminated the need for gland water, saving thousands of gallons of water daily.
Case Study 2: High-Head Tailings Disposal for an Iron Ore Project
Industry: Iron Ore Mining
Challenge: The project required transporting high-density iron ore tailings over a distance of 3km with a vertical lift of 60 meters. A single-stage pump could not handle the required head pressure.
Our Solution: Kenda engineers designed a multi-stage pump system using three 6/4D-MAH Metal Lined Slurry Pumps installed in series. The double-casing design of our pumps ensured they could safely withstand the high internal pressures of a multi-stage setup.
Results:
Steady Performance: The system maintained a consistent flow rate of 350 m³/h at the required pressure.
Durability: Despite the high-pressure environment, the metal liners showed minimal signs of wear after 4,000 hours of continuous operation.
Safety: The robust outer casing provided an extra layer of protection for onsite workers.
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