APPARATUS FOR CONTROLLING PRESSURE AND FLOW OF GASES, PARTICULARLY IN MINING APPLICATIONS
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United States of America Patent
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Jul 9, 2015
app pub date -
Jul 15, 2013
filing date -
Jul 13, 2012
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Abstract
A regulator, valve and regulator system for regulation of pressure and flow of gas from a source to the environment, such as from a highly pressurized oxygen source in an emergency life support system to the surrounding environment. The regulator includes redundant flow paths and redundant stages for reliable control of gas pressure from the source. The valve includes a unique valve seat assembly and a bonnet assembly sealed both from the environment and from the gas flowing through the valve for control of flow of gas from the source.
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