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51问答网 > 蝶阀泄漏等级(Leakag): < 0.2%Cv

蝶阀泄漏等级(Leakag): < 0.2%Cv

2025-04-04 12:09:50

推荐回答（1个）

回答1：

GB/T4213-92的国标标准对泄漏规定了六个等级,其具体规定见下表.其中最低级别为Ⅰ级,不作具体要求;最高级别是Ⅵ级,即为气泡级.当泄漏量大于0.5％KV值时,可免于测试。还有美国的标准也有6个等级。即厂家说的六级符合标准，最高级。

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