Valve leakage class: Class V?

2009-04-17View Original

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Valve leakage class: Class V. What standard does this Class V refer to? What is the amount of leakage?

Reply #22009-04-17

Provisions on leakage levels according to national standards: http://www.tj88.cn/news/view.asp?id=423 Provisions on leakage levels according to American standards: http://www.tj88.cn/news/view.asp?id=424 Please check the relevant information by yourself.

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Valve leakage class: Class V?

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