Chinese Standard: GB/T 12246-2006

Pilot operated pressure reducing valves

全国阀门标准化技术委员会(SAC/TC 188)

本标准规定了先导式减压阀的结构型式、技术要求、试验方法、检验规则和标志。
本标准适用于公称压力PN16~PN63,公称尺寸DN20~DN300,工作介质为气体或液体的管道用先导式减压阀。

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