應用規(guī)范 1設計制造:API602 2連接端尺寸:
(1)承插口尺寸按ANSI B16.11,JIS B2306 (2)螺紋端尺寸按´ANSI B1.20.1:BS21:JIS BO203:S107/1 3閥門檢查和試驗API598;JB/T7749-95;QJ/DF02.00.-89 4結構特征:
螺栓連接閥蓋(B.B)和明桿支架(OS&Y)
或焊接閥蓋(W.B)和明桿支架(OS&Y) 5材料按ANSI/ASTM的規(guī)定
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¡ö Application criterion 1¡¢Design and manufacture£ºto ANSI B16.34;API602 2¡¢Size of coupling end: (1).Size of socket joint hole:to ANSI B16.11,JIS B236 (2).Size of threaded end :to ANSI B1.20.1:BS21:JIS BO203:S107/1 3¡¢Valve inspection and test£ºto API598;JB/T7749-95;QJ/DF02.00.-89 4¡¢Structure characteristics£ºB.B;OS&Y 5¡¢Materiare fo main body£º304 |