Automatic cross-sectional sampler

November 2005 Analytical Instrumentation & Environmental Monitoring

Designed for use in high and low grade consistency sampling applications in gold mines, Spirax Mitech's automatic cross-sectional sampler is easy to install and maintain. It eliminates product spillage as well as human error in handling. The sampler handles up to 1200 kPa line pressure, and is highly accurate, particularly on low grades where a high degree of accuracy is required. A water-flushing feature cleans the sampler after each cycle, increasing operational life, as well as reducing maintenance costs.

Compact in design, the sampler is pneumatically piston-actuated, with the actuator rated at 1 MPa. Both the sampler's body shafts and pistons are made from 316 stainless steel, and there are separate sampling and flushing compartments for speedy operation.

The sampler is installed on a low grade residue line of 0,25 g gold per ton ore. Placed horizontally, on a vertical pipe section, it is bolted into the line via a front flange adapter.

For high line pressure applications, the sample size required can efficiently be controlled by the installation of an orifice across the sampler intake section.

For more information contact Richard Ransome, Spirax Mitech, 011 708 2497, [email protected]

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