技術(shù)要求 Technical Requirement
1、閥門的設(shè)計(jì)與制造按API609的規(guī)定。
Design and manufacture of valves as per Spec. API 609
2、閥門的結(jié)構(gòu)長度按API 609的規(guī)定。
Face-to-Face dimensions of valves per API 609
3、法蘭連接尺寸按ANSI B 16.5的規(guī)定。
Connection sizes of flanges to ANSI B 16.5
4、閥門的檢查和試驗(yàn)按API598的規(guī)定。
Inspection and test as per Spec. API 598
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