1.设计制造标准:BS5351；MSS SP-118 
   Design and manufacture conform
   to BS5351 ；MSS SP-118 
2.连接端尺寸Connection ends conform to: 
·承插口尺寸按:ANSIB16.11；JB/T1715 
   Scoket welded ends conform to
   ANSIB16.11；JB/T1715 
·螺纹端尺寸按:ANSI B1.12.1；JB/T7306 
   Screw ends conform to
   ANSI B1.12.1；JB/T7306 
·对焊端尺寸按:ANSI B16.25；JB/T12224 
   Butt-welded ends conform to
   ANSI B16.25；JB/T12224 
3.检验和试压按:API598;GB/T13927;JB/T9092 
   Test and inspection conform to
   AP598；GB/T13927；JB/T9092 
4.材料标准根据:ANSI/ASTM 
   Materianls conform to ANSI/ASTM 
5.应用规范
APPLICATION SPECIFICATIONS
Class 800,Max 1920psig@100℉ 
Class 1500,Max3600psig@100℉