Requirements for vent valve leakage in API2000
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The leakage rate for breathing valves is not specified in API2000; the tender documents require compliance with the API2000 standards. Which API standard can be used to find information on the leakage rate of breathing valves?
Refer to Section 6.6 of the domestic standard SY/T 0511.1-2010 \"Attachments for oil storage tanks – Part 1: Breather valves\"
The leakage rate of 0511 is higher than that of API2000; it’s necessary to find out exactly where the leakage rate for API2000 lies