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English Translations » 【化工工程交流】 » 【HVAC Version】Daily Question 20171121

【HVAC Version】Daily Question 20171121

2017-11-21View Original

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Inspection of the airtightness of air ducts in high-pressure systems – requirements for air leakage testing (). A. The sampling rate is 5%, with no less than 1 system. B: The sampling rate is 20%, and at least 1 system is required. C. The sampling rate is 50%, with no less than 1 system. D. Conduct leakage rate tests on all of them
Reply #22017-11-21
D. Conduct leakage rate tests on all of them
Reply #32017-11-21
D. Conduct leakage rate tests on all of them

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Translated at 2026-07-21 04:03:31

Original: https://bbs.hcbbs.com/thread-1869145-1-1.html

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