铜管折边和铜合金对焊环松套钢法兰
Loose plate flange in steel with a copper pipe or a weld-neck collar in copper alloy for welding
2008-08-25
DIN 28139-2
Welding necks for glass lined vessels - Part 2: Form M manhole, handhole and assembly opening for clamp screw connections - Connecting dimensions
搪玻璃容器的焊接颈.第2部分:卡箍螺钉连接用M型人孔、手孔和装配孔.连接尺寸
2019-05-01
DIN 28139-1
Welding necks for glass lined vessels - Part 1: Form H main flanges for clamp screw connections - Connecting dimensions
搪玻璃容器的焊接颈.第1部分:夹紧螺钉连接用H型主法兰.连接尺寸
2019-05-01
MIL MIL-F-18180/1A
FLANGES AND FLANGED FITTINGS, PIPE, STEEL, CLASSES 150, 300, 400, 600, 900, 1500 AND 2500, WELDING NECK FLANGES (SUPERSEDING MIL-F-18180/1) (S/S BY ASME-B16.5-1996)
焊接颈法兰150、300、400、600、900、1500和2500级钢制管道法兰和法兰配件（取代MIL-F-18180/1）（ASME-B16.5-1996标准S/S）