HRC™ 8 IS TURNING UNSALEABLE MATERIAL INTO HIGH VALUE SAND
PLANT AND EQUIPMENT •
With demand rising for high-quality manufactured sand and pressure mounting to reduce unsaleable materials and environmental impact, Metso’ s HRC™ 8 high-pressure grinding roll( HPGR) is proving to be a gamechanger. Distributed in southern Africa by Pilot Crushtec, the HRC™ 8 is specifically designed to deliver exceptional crushing efficiency, shape and gradation in the most demanding sand and aggregate applications.
Francois Marais, Sales and Marketing director at Pilot Crushtec, says the HRC™ 8 is opening new opportunities for producers to make the most of their feedstock.“ This is not just about improving performance – it’ s about rethinking what’ s possible,” he explains.“ Whether you are working with hard abrasive materials, high fines content or even moist and clay-bound feed, the HRC 8 can turn that into a high-value saleable product.”
The technology behind the HRC™ 8 is based on inter-particle comminution, where feed material is drawn into a bed between two rotating rollers – one fixed and one floating – and subjected to high pressure. This intense, even crushing action is not unlike the force of a nutcracker and results in reduced energy consumption, a lower wear rate and excellent product shape.
Environmental benefits are also a strong selling point. With natural sand reserves becoming increasingly scarce and regulated, the HRC™ 8 helps producers reduce reliance on virgin resources.
The sand produced requires less water and cement in downstream concrete and asphalt mixes, supporting more sustainable construction practices by reducing the amount of unwanted ultrafines produced in the crushing process. The ability to repurpose unsaleable materials from previous crushing and screening processes into high-quality output further reduces the carbon footprint of a site.
“ In many cases, the HRC 8 allows operators to take what was once a stockpiled liability, typically low-grade or oversized byproduct, and turn it into a profitable revenue stream,” says Marais.
Designed for high reliability and easy maintenance, the HRC™ 8 features Metso’ s patented Arch-frame with anti-skewing functionality, ensuring even load distribution and protecting critical components from misalignment. Adjustable hydraulic cylinders and variable speed capability allow operators to tailor pressure and throughput to match specific material characteristics and application needs.
Marais highlights the machine’ s suitability for manufactured sand.“ The HRC 8 produces a consistently cubical product, which is ideal for asphalt and concrete applications. It also allows for precise adjustment of gradation; this means customers can meet tight specifications without the need for excessive screening or reshaping.”
The feed chute is engineered for choke-fed operation, ensuring even wear across the roll surface and consistent crushing conditions. Meanwhile, robust wear components, such as long-life manganese tyres, minimise the need for intervention, and Metso’ s split shaft design allows fast replacement of rolls without full machine disassembly.
All images supplied by Pilot Crushtec
Through high-pressure grinding, the Metso HRC 8, available from Pilot Crushtec, delivers precision, efficienc and consistency throughout the crushing process. www. africanmining. co. za African Mining Publication African Mining
African Mining • April 2026 • 33