SPECIFICATION

• Discharge Size: 25 mm (1″) to 450 mm (18″)                                                                                    

• Capacity: 12–5400 m³/h

• Head: 6–68 m

• Handling Solids: 0–130 mm

• Concentration: 0–70%

• Temperature: 1–90°C

• Materials: High chrome alloy, Rubber, Polyurethane, Ceramic.

XAH Series Heavy Duty Slurry Pump 

As a professional Chinese manufacturer and supplier, we offer high-performance XAH Series heavy-duty slurry pumps tailored for harsh mining and industrial operating conditions. The XAH Series heavy-duty slurry pump is classfied double-casing, single-stage, single-suction cantilever horizontal centrifugal slurry pump, designed specifically for handling highly abrasive, dense and corrosive slurry media.

Standardly fitted with high-chrome alloy wear liners, the SH series also supports optional rubber and ceramic wet-end components to suit different working environments. Featuring a sturdy and robust structural design, these pumps deliver outstanding operational stability, high efficiency, long service life and simple maintenance. They are widely adopted in mining, mineral processing, metallurgy, power generation, coal washing, chemical processing and sand washing industries, effectively minimizing equipment downtime, maximizing production efficiency and lowering overall operational costs.

We specialize in supplying premium heavy-duty slurry pumps with competitive pricing and reliable global after-sales service. Our SH slurry pumps are fully interchangeable with Warman AH series pumps in terms of dimensions and spare parts, serving as a cost-effective alternative for global customers. Flexible supply options are available with or without motor assemblies, supported by stable production capacity and shorter delivery cycles.Feel free to contact us to get a fast, free quotation for your project.

Features and Benefits

●Double Casing Design: Built with robust ductile iron outer casings and a bolted split structure, our pumps enable simpler, safer maintenance. Wear liners can be fully utilized until depletion, effectively extending service intervals and lowering overall maintenance expenses.

●Versatile Wetted Component Options: Wetted parts are offered in multiple premium material choices, including high chrome alloy, rubber,  and ceramic. All material versions are fully interchangeable, allowing flexible adaptation to different slurry media and working conditions.

●Multi-angle Discharge Adjustment: The pump discharge direction can be freely rotated and fixed at 8 different angles with 45° spacing, supporting flexible installation to fit various on-site pipeline layouts.

●Reinforced Shaft Structure: Adopting a large-diameter shaft and short overhang design minimizes shaft deflection and operational vibration, greatly improving running stability under heavy-load conditions.

●Durable Bearing System: Equipped with heavy-duty grease-lubricated roller bearings housed in an integral removable cartridge, the bearing assembly delivers extended service life and convenient disassembly for servicing.

●Multiple Shaft Seal Solutions: To suit diverse operational demands, the pump supports three mainstream sealing types: gland packing seals, expeller centrifugal seals and mechanical seals.

●Integrated One-piece Frame: The integrated base frame firmly holds the cartridge bearing and shaft assembly. Fewer penetrating bolts ensure stable structural fixation, improving overall assembly rigidity and alignment accuracy.

●Wide Internal Flow Passage: The enlarged internal passage effectively prevents clogging, reduces internal flow velocity, decreases component wear, cuts equipment downtime and optimizes long-term operating costs.

●High-efficiency Optimized Impeller: Front and rear pump-out vanes minimize internal slurry recirculation, reduce pressure fluctuation, and effectively protect the shaft seal from medium contamination for more stable sealing performance.

●Tapered Assembly Interface: Tapered matching surfaces on wear liners ensure precise positioning during assembly. Meanwhile, the design enables quick disassembly and easy replacement of worn parts, simplifying daily upkeep.

●Series Operation Support: The pumps are compatible with series connection. When a single unit fails to meet required head pressure, multiple pumps can be operated in series to satisfy high-lift working requirements.

Performance Parameters

• Model Notation
  1.5-1B-XAH (R)
  ———1.5: Inlet Size (inch)
  ———1: Outlet Size (inch )
  ———B: Frame Type
  ———XAH: Metal Lined Heavy Duty Slurry Pump
  ———R: Rubber Wetted Parts

Note: Approximate clear water performance, used for preliminary selection only.

Note: Approximate clear water performance, used for preliminary selection only.

Typical Application 

●Mining & Mineral Processing

Ideal for a full range of mineral processing workflows, including mill discharge delivery, hydrocyclone feeding, regrinding circulation, 

flotation process, thickener underflow handling, concentrate transportation and tailings disposal.

●Metallurgical Industry

Widely deployed to transfer high-abrasion and corrosive ore slurries, metallurgical slag mixtures and other heavy-duty mediums

 in metal smelting and processing procedures.

●Coal Washing & Preparation

Specially adapted for coal preparation operations, handling coal slurry, slime water and gangue mixtures in coal jigging, 

dense medium separation and coal flotation production lines.

●Power Generation

Commonly applied in thermal power plants for hydraulic ash and slag removal. It also serves as key auxiliary equipment for flue gas desulfurization systems,

 delivering limestone slurry and other circulating mediums.

●Chemical Industry

Suitable for transporting abrasive and corrosive solid-liquid mixtures in chemical production, including particle-containing slurries for phosphate fertilizer,

 potash fertilizer and other chemical raw materials and finished products.

●Sand & Gravel Processing

Perfect for on-site sand extraction, river dredging and industrial sand washing processes in aggregate production sites.

●Building Materials Production

Extensively used in aggregate screening, material conveying and supporting operational procedures within the cement 

and building material manufacturing industry.

●Environmental Protection Engineering

Reliable for conveying solid-containing slurries in sewage treatment and environmental remediation projects, including industrial sludge, 

lime slurry and various waste water mixtures.

 Guidelines for Selecting Heavy-Duty Slurry Pumps

Proper selection and structural configuration of heavy-duty slurry pumps are key prerequisites for stable operation and extended service life. Scientific model selection and customized design can fully maximize pump operating efficiency and optimize overall production benefits. The following core factors should be fully evaluated when choosing a suitable slurry pump:

Pump Size

Pump size is defined by its outlet diameter, which serves as a core parameter for equipment matching. According to actual project flow demands and slurry physical characteristics, users must confirm the optimal pipe diameter for slurry transportation. This maintains a reasonable pipeline flow velocity, effectively avoiding excessive pipe wear, material deposition and pipeline blockage issues.

Flow Capacity

Flow capacity refers to the slurry delivery volume per unit time, which directly determines the overall conveying efficiency. It is necessary to accurately confirm the on-site required flow rate to ensure the pump fully matches actual working conditions. Insufficient flow capacity will restrict production progress, reduce operational efficiency and fail to meet the standard requirements of industrial and engineering projects.

Pump Head

Pump head refers to the effective energy obtained by the liquid per unit weight after passing through the pump. It covers the actual vertical lifting height of the slurry and the friction loss generated during pipeline transportation. When calculating the required head, comprehensive factors including pipe material, conveying distance and pipeline fittings such as elbows need to be considered. Selecting a pump with matched head parameters helps cut energy consumption and improve overall operating economy.

Motor Power

Matching motor power is critical to the pump’s working performance, energy-saving effect and operational stability. Adequate power support ensures the pump stably achieves the preset flow and head indicators. Insufficient power will lead to abnormal operation, frequent equipment overload and motor burnout, resulting in increased maintenance costs and reduced long-term operational reliability.

Solid Particle Size

Each slurry pump model is designed with a rated maximum passing particle size, applicable to specific solid-liquid mixing mediums. If the solid particles in the slurry exceed the pump’s design range, equipment blockage, impeller wear and structural damage are likely to occur. Therefore, particle size parameters of on-site slurry must be consistent with the pump’s technical specifications.

Material Selection Recommendation

For working conditions involving weak acid corrosive slurry, low delivery head and fine rounded solid particles, rubber-lined slurry pumps are the optimal choice. This type of pump features light overall weight, cost-effective pricing and excellent adaptability to such mild working environments.

Structure Diagram

The figure below demonstrates the basic structural composition of XAH series metal-lined heavy-duty slurry pumps, with slight structural variations corresponding to different pump specifications. Standard wetted components adopt high-chrome alloy materials, and optional alternatives including rubber, polyurethane and ceramic are available to meet diverse working demands. All wetted parts of different material configurations support mutual replacement, while other structural accessories remain universally compatible across all models.

Shaft Seal Types

XAH series heavy-duty slurry pumps support three mainstream shaft sealing solutions: packing seal, expeller seal and mechanical seal. Users can select the most suitable sealing configuration based on on-site working conditions and personalized application requirements. The detailed structure and applicable specifications of each sealing type are displayed in the figure below.

Packing Seal

A packing seal works by filling elastic packing material into the pump’s stuffing box. As the packing gland compresses the material, it expands radially to fully seal the clearance between the shaft sleeve and stuffing box, achieving effective leakage prevention. This sealing structure allows a slight amount of dripping during operation and features excellent universal adaptability. Serving as the standard sealing configuration for Warman slurry pumps, it boasts mature technology, affordable costs and extremely convenient replacement and maintenance procedures. It is worth noting that packing seals require continuous shaft sealing water for normal operation, with the sealing water pressure maintained 0.035MPa  higher than the pump outlet pressure.

Expeller Seal

The expeller sealing structure prevents slurry leakage by utilizing the centrifugal pressure generated by the impeller-driven expeller during operation. This sealing method requires no shaft sealing water, avoiding dilution of the conveyed slurry, which makes it ideal for water-scarce working environments and applications that demand undiluted slurry media. This seal is only applicable when the pump inlet pressure is no more than 10% of the outlet pressure; it cannot work properly beyond this range. Fitted with an oil cup, the expeller ring needs regular grease replenishment to ensure stable performance. Notably, the packing structure undertakes the sealing function when the pump is shut down. In addition to standard metal configurations, rubber-made expeller rings and complete expeller assemblies are also available for diverse working conditions.

Mechanical Seal

Mechanical seals are specially designed for strict no-leakage working scenarios and fluid conveying requirements. Though they feature a relatively higher cost, they deliver outstanding durability and simple replacement procedures, while requiring standardized and rigorous daily operational maintenance. Three mainstream types are available for different working conditions. The external flushing mechanical seal requires clean external flushing water with a constant pressure of 0.1MPa. The internal flushing mechanical seal also adopts clean flushing water, with the water pressure set 0.1MPa higher than the pump chamber pressure to achieve effective internal flushing. The non-flushing mechanical seal operates stably without any flushing water supply, meeting the demands of diverse special working conditions.

Bearing Assembly

XAH series heavy-duty slurry pumps are equipped with robust cartridge-style bearing units that adopt grease lubrication for stable and long-term operation. Frames ranging from A, B, C, D, E, F to G are fitted with two opposed-mounted imperial single-row tapered roller bearings for balanced load bearing. In comparison, frame types including R, S, ST, T, TU and U feature a different configuration: one imperial double-row tapered roller bearing installed at the pump side, paired with two metric cylindrical roller bearings arranged at the drive side. The end cover adopts a labyrinth sealing structure with an integrated dust ring to block external dust and impurities. Precise axial clearance adjustment can be easily completed via the adjusting bolt installed between the pump frame and bearing housing.

Pump Frame

XAH heavy-duty slurry pumps feature an integral pump base designed to securely support the cartridge bearing and shaft set via clamping fasteners. Few penetrating bolts fasten the frame plate onto the main frame body. This compact, high-rigidity layout simplifies field disassembly and routine servicing. Every frame specification matches a rated maximum drive power plus the optimal flush water flow rate required for packing-type shaft seals.

Installation Types :

XAH series heavy-duty slurry pumps rely on matched drive motors to supply power for slurry conveying tasks, with multiple flexible transmission options for different installation layouts. Common drive forms consist of direct-coupled DCZ, horizontally side-mounted CRZ, top vertical CV and inverted top-mounted ZVZ to satisfy varied site layout demands.

DC Type: The output shaft of a motor is directly connected to the input shaft of a pump via a pump coupler. This type of connection is suitable for applications where the speed of the slurry pump is the same as that of the motor.

CV Type: The tailing handling slurry pump is driven by a belt connected to the crankshaft of the engine. This way of connection allows for saving space, easy installation, and fast adjustment of pumping speed. The motor is fixed to the motor support frame which is located on the bearing support above the slurry pump.

ZV Type: Another type of belt drive that allows easy adjustment of pumping speed. The motor is directly fixed to the bearing support. This way of installation is suitable for motors with larger horsepower than is possible with CV type of installation. Due to the installation of motor onto the bearing support, this method helps save installation space.

CR Type: This type of belt drive makes it easier to adjust pumping speed. The installation allows both the motor and slurry pump to be fixed to the ground. The motor is installed to the side of the pump. This installation method is suitable for large-power motors.

Outline drawing :

Outline Dimensions :

Wet End Parts Materials

Key wet-end components of XAH heavy-duty slurry pumps cover impeller, casing liner, frame plate liner and throat bush. These core spare parts are predominantly manufactured from high-chrome alloys and elastic rubber materials. A05 high-chrome alloy serves as the standard option for heavily abrasive yet mildly corrosive slurry thanks to superior abrasion resistance and balanced cost performance. When pumping strongly corrosive media, A49 alloy or rubber lining becomes the preferred alternative. Our technical sales team can customize material selection per your actual working conditions; check the attached table for detailed material parameters and applicable working scenarios.

Metal Materials

Rubber Materials

Frequently Asked Questions

Is custom modification available for these heavy-duty slurry pumps to match unique on-site working conditions?

How do heavy-duty slurry pumps differ functionally from sludge transfer pumps?

How to choose between rubber-lined and metal-lined slurry pumps for practical use?

Does your factory provide customizable OEM pump manufacturing solutions?