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valves were all hard face coated and have not been a problem The smaller 2 throughput of over 750 tons of coal there have been no valve failures due to erosion The perEormance of the 6 inch and 8 inch coal handling valves has been particularly satisfactory This can probably be attributed to 1 the fact that these valves are purged with CO before opening and closing and 2 the valves Hard Chrome is a thin layer approx 007mm / inch of industrial hard chrome coating It provides good It provides good resistance to abrasion corrosion and impact

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Coal mining in the east of Ukraine has once again ground to a halt as thousands of workers stopped their duties to protest wage arrears in February Selidivvugillya the state owned mining company runs four mines in the region but has repeatedly failed to pay its workersESP Systems and Fly Ash Coal burning power plants create large quantities of ash from the raw material they burn Small lightweight particles are known

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