The recent orders won by vibrating screen and feeder specialist Kwatani have cemented its reputation as the leading South African original equipment supplier (OEM) with a truly cross-commodity footprint.

Commodity wide success for Kwatani screens

Kwatani’s custom-engineered products are now in some of the world’s largest mines, and many customers have standardised on their screens to ensure lowest cost of ownership and high performance, according to GM of sales and service, Jan Schoepflin.

“While our base and core markets are in Africa, the global demand for Kwatani products has grown rapidly. A leading diamond mining company in Russia is very pleased with Kwatani screens at their newest operation and specified Kwatani for future projects,” Schoepflin says.

In another order from a large diamond operation, this time in South Africa, the customer also replaced the last of their competitor screens with a Kwatani unit. Schoepflin says this is because the customer has enjoyed years without unplanned stoppages by using Kwatani screens. “It has shown that our equipment and service are just as effective in unusually harsh climatic conditions.”

At a local brownfield diamond expansion project, the company’s multi-slope banana screens were matched to the available plant footprint, raising throughput from 250 to 500 tonnes per hour and later breaking the mine’s tonnage record.

While screening in heavy minerals is Kwatani’s stronghold, the company has moved extensively into coal, supplying the country’s leading coal producer with no fewer than 45 items of large screening equipment, including out-sized 4,3-m wide units. Other recent coal-related orders included run-of-mine screens for a medium-sized coal mine in Mpumalanga. Again, competitor equipment was replaced by custom-designed screens with optimised deck angles which significantly increased tonnage. The positive results achieved with the Kwatani equipment also led to additional orders for the mine’s expansion.

For world largest zinc mine, Kwatani was contracted to supply all the screens for the world’s largest zinc mine. At Africa’s largest iron ore mine, the company has recently completed two projects, renewing existing equipment with up-to-date solutions and replacing 24 items of competitor equipment.

The platinum sector is also keeping Kwatani busy, not just in South Africa but over the border in Zimbabwe too. A recent turnkey solution focused on the platinum by-product chromite, where the company supplied a complete solution which included feeder, dryer and screen to treat chromite of 45 micron size at 15 tonnes per hour.

“Our screens have been a popular choice for modular gold plants going to West Africa as well as Central and South America,” he says. “We also supplied to two of Africa’s largest copper producers in Zambia, to a tanzanite producer in Tanzania, and repeat orders to a manganese mine in Ghana.”

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Crown Publications, one of South Africa’s largest business-to-business publishing houses, came into existence in 1986. Since then, the company has grown from producing a single magazine, Electricity SA (renamed Electricity+Control), to publishing six monthly magazines, three quarterlies, and a number of engineering handbooks.

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