Celebrating 80 years of innovation

In honor of this legendary brand, Weir Minerals hosted an event at the end of May in Kalgoorlie, Western Australia. The evening allowed attendees to revisit the history of Warman pumps and gain insight into future planned innovations.

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“It was a privilege to share this special night with some of our key customers, past and present employees, and members of the Western Australian School of Mines,” states Ricardo Garib, Divisional President of Weir Minerals. “Warman is one of our leading brands. It has truly shaped the Mining industry over the past 80 years and is a product we are all very proud of. The Warman pump, invented to solve high wear issues in slurry pumping, created a thriving industrial business that is now the cornerstone of Weir Minerals with over 8,000 people, and over 150 manufacturing and service centres across the globe.”

Always Inventing

Charles Warman invented the Warman® slurry pump in Kalgoorlie in 1938. It was a hard-wearing slurry pump that used replaceable liners and a replaceable impeller, something that had never been done before.

“Charles Warman was a visionary and an innovator. The use of rubber lining in the pump was groundbreaking as it reduced total ownership costs, was safer to handle, and offered extended wear life in many abrasive slurry applications. It is a great example of solving customer problems with material science, and is still taught in Universities today,” says Marcus Lane, Global Product Manager for centrifugal pumps at Weir Minerals.

The pump was quickly adopted throughout the goldfields in Western Australia and by the 1950s, as customer demand grew, Charles Warman expanded his business by opening offices in Sydney and Perth.

During the 1960s, the business continued its rapid growth with manufacturing and sales outlets established around the world. The Warman® Series 'A' pump was accepted and became a world leader in its field. Further work on the Warman AH® pump resulted in the development of interchangeable metal and rubber wearing components.

Always Improving

The Warman® AH pump range was extended with the addition of the AHP high-pressure pump in 1974. At the time, this was the largest rubber-lined high-pressure slurry pump in the world and is still in service today in many tailings pipelines across the globe.

Innovations continued through the decades, with pumps designed for tough applications such as Flue Gas Desulphurisation. In 1994, the Warman® GSL pump was developed to handle high flows and corrosive slurry. It became the global standard due to its superior performance and long life.

“One of the key reasons for the growth of the Warman pump was its reliability. People came to trust it because it had been around for so long. This trust allowed them to focus on other aspects of their plant operations without worrying about the pump's performance,” states Marcus Lane.

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Always Innovating

The Weir Group Plc acquired the Warman® pump in 1999, starting a new chapter. As part of the Weir Minerals division, significant technological advancements were made for the Warman® pump range. In 2002, a revolutionary new impeller and inlet design for pumping mineral froths and high-density viscous slurries was developed. In 2009, Weir Minerals introduced the Warman® WBH pump with an axially and rotationally adjustable throat bush to even out wear. Due to its innovative design, this pump soon became the new standard in slurry pumps.

“At Weir Minerals, we always think of new ways to improve the Warman pump for our customers. Research and development underpin all the product development we've done and are crucial to the business,” Marcus Lane says. “We have a fantastic understanding of the many environments in which our pumps operate and the mechanisms of wear. This allows us to tailor geometrics and materials to suit specific applications, giving us a competitive edge in the marketplace.”

Today, the Warman® pump has an unparalleled worldwide reputation in slurry pumping, commanding a leading share of the global mining market. There are few mining sites in the world where Warman® slurry pumps cannot be found.

As technology progresses and society demands new materials, the Warman® pump is primed and ready to meet these needs. Weir Minerals has developed its IoT platform Synertrex™, which can be fitted to a Warman® pump to monitor its performance.

“The last eighty years of the Warman pump have given us a wealth of knowledge in operating pumps and efficiently transporting slurry. Synertrex will capture that wealth of knowledge and improve the product,” states Michael Hambe, Data Scientist for Weir Minerals. “The Synertrex platform allows us to collect and analyze data to predict the pump’s performance and determine how efficiently it’s operating. This enables our customers to run their pump at the optimal threshold of performance.”

Always Warman

Weir Minerals’ ability to innovate with superior materials technology and designs, supported by outstanding service and support for their customers, keeps them ahead of their competitors.

“In terms of Australian mining exports, the Warman pump is one of the greatest success stories. We will continue to innovate and make the Warman® pump even bigger and better,” concludes Ricardo Garib.

Following the anniversary event in Kalgoorlie, Weir Minerals has embarked on a six-month celebration, sharing the history of Warman®, commemorating the experts behind the brand, revealing key innovations, and telling the stories of long-standing pumps worldwide. Visit https://www.global.weir/industries/minerals/always-warman/ to find out more.

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