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// CODE SNIPPET

1309.8.3 Oxygen Analyzer

California Plumbing Code 2019 > 13 Health Care Facilities and Medical Gas and Medical Vacuum Systems > 1309.0 Joints and Connections > 1309.8 Nitrogen Purge > 1309.8.3 Oxygen Analyzer

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In order to ensure that all ambient air has been removed from the pipeline prior to brazing; an oxygen analyzer shall be used to verify the effectiveness of the purge. The oxygen analyzer shall read below 1 percent oxygen concentration before brazing begins. [NFPA 99:5.1.10.4.5.5]

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