Precision’s rotary valve product lines: PMV, PMDS, and Micro-Valve, are ideal solutions for a wide variety of minerals.  We can handle high temperatures, abrasive products, and even high-moisture applications.  Whether your plant processes lime, activated carbon, metallurgical coal, gypsum, talc, clay, silica, calcium carbonate, or any other mineral, Precision has a solution. 

Case Study: More than Great Rotary Valves, it takes a Great Valve Company to Keep the Powder Flowing for Columbia River Carbonates...

Stillwater Mining was challenged with maintaining constant temperatures in a smelting furnace to ensure efficient extraction. Also, to create a safe, environmentally friendly process for dumping bulk bags of carbon dust.




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Eugene, Oregon

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