技术规范TECHNICAL SPECIFICATION
设计标准Design standard:API602;MSS-SP-117
连接端Connection ends:
(1)承插焊Socket welded end:ANSI B16.11
(2)螺纹Screw end:ANSI B1.20.1
(3)对焊Butt-welded end:ANSI B16.25
(4)法兰Flange end:ANSI B16.5
结构长度Face to face dimension:ASME B16.10
连接法兰Flanged ends:ASME B16.5
对焊连接Welded ends:ASME B16.25
式验与检验Test & inspection:API598