API 521 Ed. 5 (2007)被替代
Pressure-relieving And Depressuring Systems
出版：American Petroleum Institute
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基本信息
标准编号： API 521 Ed. 5 (2007)
发布时间：2007/1/1 0:00:00
标准类别：Standard
出版单位：American Petroleum Institute
标准页数：206
标准简介
Applicable to pressure-relieving and vapour-depressuring systems. Although intended for use primarily in oil refineries, it is also applicable to petrochemical facilities, gas plants, liquefied natural gas (LNG) facilities and oil and gas production facilities.
标准备注
Also numbered as ISO 23251. (01/2007)
替代本标准的新标准
等同采用的国际标准
ISO 23251:2006 - Equivalent
