API 527 Ed. 3 (1991/R2007)被替代
Seat Tightness Of Pressure Relief Valves
出版：American Petroleum Institute
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基本信息
标准编号： API 527 Ed. 3 (1991/R2007)
发布时间：1991/7/1 0:00:00
标准类别：Standard
出版单位：American Petroleum Institute
标准页数：14
标准简介
Defines methods of determining the seat tightness of metal- and soft-seated pressure relief valves, including those of conventional, bellows, and pilot-operated designs.
替代本标准的新标准
