NB/T 47023-2012
长颈对焊法兰
Welding neck flange
2012-11-09
JB/T 4703-2012
长颈对焊法兰(同NB/T 47023-2012)
JB/T 82-2015
对焊钢制管法兰
Steel pipe welding neck flanges
2015-10-10
GB/T 15530.2-1995
铜合金对焊法兰
Copper alloy welding neck flanges
1995-04-02
T/ACCEM 239-2024
突面带颈对焊法兰
2024-11-20
CB/T 4327-2013
船用对焊钢法兰
The marine butt-welding steel flanges
2013-07-22
HG/T 21531-2014
带颈对焊法兰手孔
Welding neck flange handholes
2014-07-09
T/ZZB 2999-2022
法兰和对焊连接耐腐闸阀
2022-12-08
JB/T 12619-2016
法兰和对焊连接耐腐闸阀
2016-01-15
HG/T 21532-2014
回转盖带颈对焊法兰手孔
Welding neck flange handholes with hinged cover
2014-07-09
HG/T 21518-2014
回转盖带颈对焊法兰人孔
Welding neck flange manholes with hinged cover
2014-07-09
JB/T 84-2015
对焊环板式松套钢制管法兰
Loose plate flange with weld-neck collar
2015-10-10
MIL MIL-DTL-24339D Notice 2-Administrative
Fittings and Flanges, Wrought, Seamless, Butt and Socket Welding Carbon Steel
锻制无缝对焊和承插焊碳钢管件和法兰
2013-11-14
HG/T 21521-2014
垂直吊盖带颈对焊法兰人孔
Welding neck flange manholes with davit to vertical cover
2014-07-09
HG/T 21524-2014
水平吊盖带颈对焊法兰人孔
Welding neck flange manholes with davit to horizontal cover
2014-07-09
CBM 1017-1981
30kgf/cm2对焊钢法兰
CBM 1018-1981
40kgf/cm2对焊钢法兰
CBM 1019-1981
63kgf/cm2对焊钢法兰
CB/T 50-2008
船用对焊钢环松套钢法兰
Marine welding neck steel outer composite flanges
2008-03-17
CB/T 3212-1999
船用搭焊、对焊、铜管折边松套、异径钢法兰
Lap Welding. Balanced welding. Copper pipe flanging free Flared steel flange for marine
1999-04-30