IEVref:426-09-04ID:
Language:enStatus: Standard
Term: protective gas
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Definition: air or inert gas used for maintaining an overpressure and, if required, dilution and purging

Note 1 to entry: "Inert gas" means nitrogen, carbon dioxide, argon, or any gas which, when mixed with oxygen in the ratio 4 parts inert to 1 part oxygen as found in air, does not negatively affect the ignition and flammability properties (such as flammable limits).


Publication date:2020-03
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