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 28139-1
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)
1986-05-30
DIN 28460
Flanges for tank trucks; welding flanges for aluminium tubes
油罐车法兰;铝管焊接法兰