“The guys in the pot rooms love the reliability and strong operation of the new air valves because the jackhammers are more powerful and work every time.” This is a quote from the Operations Superintendent of Noranda Aluminum, New Madrid, Mo. Until recently, air-valve failures were a daily occurrence at this mill, costing thousands of dollars per day in parts, labor, and lost production. Today, the problems have disappeared, going from 60 failures per month to zero in one application...
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