Tough Jobs, Tougher Pumps: Why AODD Technology Powers Reliable Mining Pumps


In mining, slurry management is not just a process—it is a constant challenge against wear, downtime and unpredictable operating conditions. Across Africa, operations must handle abrasive, solids-laden slurries while maintaining uptime in some of the harshest environments. Extreme temperatures, dust, vibration, remote locations and unreliable power supplies place continuous pressure on pumping equipment performance. Add fluctuating flow conditions and changing pit levels, and it becomes clear why standard pumps often struggle—especially when downtime directly impacts production.

This is where Air Operated Double Diaphragm (AODD) pumps continue to prove their value. Designed to handle abrasive slurries and suspended solids without tight tolerances, Tapflo’s mining pumps deliver operational safety and reliable performance in demanding environments. Models such as the TX25, TX70 and TX120 are ideal for smaller transfer duties, while larger units including the TX420 and TX820 provide higher flow capacities for demanding slurry transport and mine dewatering applications.

Durable Materials for Harsh Mining Environments

Selecting the right pump material is equally important, with both plastic and metal pumps offering distinct benefits in demanding mining applications:

Tapflo Plastic AODD pumps, manufactured in materials such as PE and PTFE, provide excellent corrosion resistance and are well suited to aggressive chemicals and acidic process streams. Their lightweight construction also improves portability and installation flexibility, particularly in temporary or remote industrial applications.
Tapflo Metal AODD pumps, including aluminium and stainless-steel options, are preferred in abrasive slurry environments where strength and wear resistance are critical. They are particularly effective in large solids applications and harsh mining conditions where impact resistance is required.

PT and PTFE diaphragm pumps

Tapflo’s T400 and T800 models further expand these capabilities, providing robust pumping solutions for higher-capacity slurry handling and dewatering duties across mining operations.

Hose Pumps Designed for the Mining Industry

Alongside AODD technology, Tapflo hose pumps (peristaltic pumps) are becoming increasingly important in mining applications involving highly abrasive, viscous and solids-rich media. The Tapflo hose pump range includes TP50, TP100, TP200, TP300, TP400 and TP500 models, covering a broad range of flow rates and pressures.

Unlike conventional pumps, the product only comes into contact with the hose, eliminating mechanical seals and resisting wear points. This makes hose pumps particularly effective for handling tailings, thickened underflow, filter feed, lime slurry, reagents and abrasive concentrates.

The ability of this pump type to run dry, self-prime and maintain consistent performance under changing process conditions makes them well suited to demanding mining environments.

Hose pumps

Benefits of AODD Pumps for Mining Companies

One of the biggest advantages of AODD pumps remains their ability to run dry without damage, making them ideal for sump and pit dewatering. Their seal-less design reduces leakage risks and common failure points, while air-driven operation allows use in wet, explosive or electrically restricted areas. As positive displacement pumps, they are well suited to handling abrasive media over long distances and maintaining a steady flow of viscous fluids. Their simple, rugged construction also makes them easy to deploy and maintain, even on remote mining sites with limited technical support.

aodd and hose pumps in mining industry

Avoiding Common Pumping Mistakes in Mining Sector

Despite these advantages, pump performance is often compromised by common mistakes. Pumps designed for clean fluids are frequently used in abrasive slurry applications, while the impact of solids size and concentration is underestimated. Material selection is also critical, with rubber, polyurethane and hardened metals each offering benefits depending on operating conditions. Poor air quality and the assumption that higher pressure always improves performance can further reduce operational efficiency and reliability.

Which Tapflo Pumps Are Best Suited for Mining Applications?

As mines continue prioritising reliable dewatering, minimal downtime and lower maintenance requirements, selecting the correct pumping technology becomes increasingly important. Tapflo’s portfolio—including TX25, TX70, TX120, TX420 and TX820 AODD pumps, T400 and T800 models, and the TP50 to TP500 hose pump range—offers flexible solutions built for the realities of modern mining operations.

Looking for mining pumps for demanding conditions? Consult our experts