Contact details:

Tel: +27 11 974-6585
Fax: +27 11 974-6589

E-mail: prepquip@prepquip.com

Pachuka Valve (Multi Aerator)

The Pachuka Valve (Multi Aerator manufactured by Multotec SA) has substantial advantages over existing designs used for air agitation in Pachucas or leaching tanks. Using the valves result in better air utilization in the leaching process and longer operating life through the use of wear resistant materials. The valve has the ability to open after long settling periods, obviating the need to empty the tank after each power failure.

For mechanically agitated tanks, the Pachuka Valve can also be used to start tank agitation, eliminating damages to the mechanical mixers installed. Should the mechanical mixers also not be sufficient, the Pachuka Valve can be used concurrently with the mixers to ensure efficient agitation of the tanks.

Air consumption is substantially lower with this valve than with previously used system, which results in large savings of air, as well as meeting the mine’s objective of reducing operating, maintenance, labour costs and downtime in the long run.

Applications:

• Aeration (leaching purposes)
• Mechanical Mixing

Features:

• Automatic closure if pressure is below 100kPa
• Valve prevents buit-up of solids in the tank (maximum residence time)
• No pressure limits apply
• Minimum pressure of 400kPa required
• Low air consumption
• Low operational cost
• Longer service life
• Minimal maintenance

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