What criteria are used to determine the acceptance standard for nitrogen purging in hydrogen-rich systems?

2018-09-19View Original

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What criteria are used to determine the acceptance standard for nitrogen purging in hydrogen-rich systems? What standards determine the requirement that the oxygen level be less than 0.5% before entering a hydrogen-filled area, that the combustible gas level be less than 0.5% during shutdown and gas replacement, and that the oxygen level be greater than 20% when entering such areas? Ask for the source

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What criteria are used to determine the acceptance standard for nitrogen purging in hydrogen-rich systems?

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