dn15是几分

更新时间: 2020-07-09 00:00:00     

DN15是4分管径。

附参考:DN20是6分管径的;DN25是1寸管径的;DN40是1、5寸管径的。

“DN”:标识管材和阀门等管件的公称直径,通常接近于内径。是为了工程安装配套而建立的标准术语。

关键词: dn15

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