HG/T 21517-2014
回转盖带颈平焊法兰人孔
Slip on flange manholes 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
HG/T 21522-2014
水平吊盖板式平焊法兰人孔
Plate flange manholes with davit to horizontal cover
2014-07-09
HG/T 21519-2014
垂直吊盖板式平焊法兰人孔
Plate flange manholes with davit to verticla cover
2014-07-09
HG/T 21527-2014
回转拱盖快开人孔
Quick open manholes with hinged dome cover
2014-07-09
HG/T 21526-2014
椭圆形回转盖快开人孔
Elliptical quick open manholes with hinged cover
2014-07-09
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 21523-2014
水平吊盖带颈平焊法兰人孔
Slip on flange manholes with davit to horizontal cover
2014-07-09
HG/T 21520-2014
垂直吊盖带颈平焊法兰人孔
Slip on flange manholes with davit to vertical cover
2014-07-09
ADS AS1876-1879
Hinges (Aluminium Alloy Single Flange Plates)
铰链（铝合金单法兰盘）
2008-04-02
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
ASTM F1144-19(2024)
Standard Specification for Manhole Cover Assembly, Bolted, Semi-Flush, Oiltight and Watertight, Hinged
铰链式螺栓连接、半冲洗、油密和水密人孔盖组件的标准规范
2024-05-01
SAE AS1854-7
AS1854-1857 Hinges (Aluminium Alloy Single Flange Plates)
AS1854-1857铰链（铝合金单法兰盘）
1942-07-07
SAE AS1858-7
AS1858-1859 Hinges. Aluminium Alloy Double Flange Plates
AS1858-1859铰链 铝合金双法兰盘
1942-07-17
SAE AS1876-12
AS1876-1879 Hinges, Aluminium Alloy, Single Flange Plates
AS1876-1879铝合金铰链 单法兰板
2008-04-02
SAE AS1880-14
AS1880-1881 Hinges (Aluminium Alloy Double Flange Plates)
AS1880-1881铰链（铝合金双法兰盘）
1995-10-01
UNE-EN 14512-2007
Tanks for the transport of dangerous goods - Tank equipment for the transport of liquid chemicals - Hinged manhole covers and neckrings with pivoting bolts
危险货物运输罐.液体化学品运输罐设备.带旋转螺栓的铰链式人孔盖和颈环
2007-10-24
DIN EN 14512
Tanks for the transport of dangerous goods - Tank equipment for the transport of liquid chemicals - Hinged manhole covers and neckrings with pivoting bolts
危险货物运输罐.液体化学品运输罐设备.带旋转螺栓的铰链式人孔盖和颈环；德文版EN 14512:2006
2006-10-01