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Slurry valve maker celebrates a year of outstanding achievements

Home Engineering Pumps, Valves, Hydraulics, Pneumatics Slurry valve maker celebrates a year of outstanding achievements

Abrasive Flow Solutions (AFS) has achieved impressive milestones in improving the quality of its slurry valves and extending its facilities in its first year of business.

The manufacturing company specialises in the design and manufacture of slurry-related valves, and was established by the Engineering Solutions Group (ESG) of Invicta Holdings Limited as part of the Group’s strategy to expand its fluid technology services in Africa.

“The AFS team works closely with our sister company BMG to extend our specialist services, through the design, distribution, supply and support of a broad range of slurry-related valves, including Klep diaphragm and wedge gate valves,” says Donald Morrison, General Manager, AFS.

“Our specialists successfully achieved their first challenge, which was to improve the quality of diaphragm valves, by extending service life and reducing the maintenance requirements of this range. We achieved this through advanced design technologies, materials and coatings, and it’s a great tribute to our team,” Morrison said.

“Important milestones over the last year include a new rubber lining facility with the installation of autoclaves that have capacities of up to 10 m in length. In the rubber industry, autoclaves are used to vulcanise rubber products, which are not yet stable dimensionally by elevating heat and pressure,” he said.

“Another advancement is a new pinch valve sleeve manufacturing facility within our new rubber lining and sleeve manufacturing facility. We can now manufacture all pinch sleeves, including high pressure and pneumatic sleeves. Our pinch sleeves are manufactured from high-quality rubber products, supplied by Rema Tip Top. We have also made a significant investment to extend our hydraulic pressing facility and through our new design and process, we are able to manufacture high-pressure diaphragms capable of pressures in excess of 20 Bar.

“AFS has enhanced the design and production of its slurry knife gate valve range, with dimensions ranging in diameter from a 50 mm unit to 1.5 m valves. The range includes flanged, wafer, lugged, urethane lined and high-pressure knife gate valves.

“BMG also distributes a locally manufactured range of abrasion-resistant valves for Dual Products International. These products include pinch valves, new water air release valves, Resilient Seated Gate (RSV) valves and rotary disc sleeve valves. AFS has recently manufactured and factory-tested some larger DN 700 hydraulically operated 20 Bar valves for a customer in Europe.

“Recently launched Dual rotary disc sleeve valves comprise an advanced rotating gate valve with sleeve design, developed specifically for heavy abrasive and corrosive slurries and water and wastewater installations. This patented design allows the valve to cycle through heavy slurries without sticking. Wafer, flanged and high-pressure variants are available.

“Our highly skilled team has a thorough understanding of the processes where valves are installed and is able to specify the correct valves required for every application. We also assist customers in solving the problems of difficult installations and applications.

“To ensure optimum safety, efficiency and the extended service life of each system, the selection of the correct industrial slurry valve is critical. Valve selection is based on various factors, including the size and shape of particles, pressure, temperatures and chemical content,” Morrison concluded.

This AFS portfolio is particularly well-suited for use in harsh conditions in diverse industries, including mining, chemical and petrochemical, water and wastewater, energy production and agri-food industries. Important installations recently, have been in mining slurry, tailings dams, and acid pumping applications, which rely on plant availability and the safe operation of valves.

Another achievement for AFS is that ESG has recently achieved recognition as a Level 2 contributor to Broad-Based Black Economic Empowerment (B-BBEE), which means customers can claim BEE procurement recognition of 125 percent against all purchases.

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