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Tyco Flow Control has designed and delivered a pneumatically operated cyclone distributor consisting of 18 Clarkson KGD slurry valves to a goldmine in western Australia.

The application involves a cyclone in the grinding circuit of the processing plant separating larger particles of ore from smaller particles and returning them for grinding.

Smaller particles are then leached to extract their gold.

To install the Clarkson valves, the cyclone distributor was removed from the mine and taken to the Tyco Flow Control Kalgoorlie workshop.

The valves were customised to allow them to fit into such a compact area: the modular design of Clarkson valves made this a relatively fast and reliable process.

A trial installation of two KGD valves functioned correctly for more than a year and a half.

Previous valves had performed poorly and would breakdown as often as every three to four months.

The trial valves underwent preventative maintenance during their year and a half in operation, but the seats, once removed, were found to have significant life left in them.

The III sleeves are designed for slurry service and their new face and seal profile allows easy installation for any pipe style without using gaskets.

Whether closed or open, the sleeve assembly provides positive sealing action, protecting the metal parts from the flowing slurry.

The unobstructed port area of the KGD provides the maximum flow.

Tyco Flow Control

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