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The API Subcommittee on Piping & Valves released API 624 1st edition, “Type Testing of Rising Stem Valves Equipped with Graphite Packing for Low Emissions” in February 2014. The intent is to provide a uniform procedure to evaluate the emission performance of process valves and a testing format that allows for comparing the emissions and performance of process valves. As a prerequisite, API 624 requires that the packing used in the test has passed API 622 2nd edition.


QST Type 3 Valve API 624 Test


Please click here to see API 624 Test Summary Report.






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