波紋管截止閥
、設(shè)計(jì)制造Design and manufacture conform to BS5352; MSS-SP-117
2、連接端尺寸Connection ends conform to:
1)承插口尺寸按Scoket welded ends conform to ANSI B16.11,JB/T1751
2)螺紋端尺寸按Screw ends conform to ANSI B1.20.1;JB/T7306
3)對(duì)焊端尺寸按Butt-welded ends conform to ANSI B16.25;JB/T12224
4)法蘭端尺寸按Flanged ends conform to ANSI B16.5;JB79
3、檢查和試驗(yàn)Test and inspection conform to:
API 598;GB/T13927;JB/T9092