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ICS23.060.01J16备案号：32075—2011中华人民共和国机械行业标准JB/T1308.2—2011代替JB/T1308.2—1999PN2500超高压阀门和管件第2部分：阀门、管件和紧固件PN2500ultrahighpressurevalvesandfittings—Part2：Valves,fittingsandfasteners2011-05-18发布2011-08-01实施中华人民共和国工业和信息化部发布JB/T1308.2—2011I目次前言....................................................................................................................................................................III1范围................................................................................................................................................................12规范性引用文件............................................................................................................................................13技术条件........................................................................................................................................................13.1工作压力.....................................................................................................................................................13.2材料和毛坯.................................................................................................................................................13.3机械加工和装配.........................................................................................................................................24试验方法........................................................................................................................................................24.1无损检测.....................................................................................................................................................24.2强度试验和密封试验.................................................................................................................................25验收规则.....................................................................................