EN 1092-1 Flanges and their joints - Circular flanges for pipes@ valves@ fittings and accessories@ PN designated - Part 1: Steel flanges*， 2018-04-01 Update
EN 1092-2 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 2: Cast iron flanges*， 2023-11-29 Update
EN 1092-3 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories PN designated - Part 3: Copper alloy flanges
EN 1092-4 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 4: Aluminium alloy flanges
EN 1333 Flanges and their joints - Pipework components - Definition and selection of PN
EN 13555 Flanges and their joints - Gasket parameters and test procedures relevant to the design rules for gasketed circular flange connections*， 2021-01-31 Update
EN ISO 6708 Pipework Components - Definition and Selection of DN (Nominal Size) (ISO 6708 : 1995)
ISO 6708 Pipework components - Definition and selection of DN (nominal size)
BS EN 1514-2:2014 history
2021BS EN 1514-2:2014+A1:2021 Flanges and their joints. Gaskets for PN-designated flanges - Spiral wound gaskets for use with steel flanges
2014BS EN 1514-2:2014 Flanges and their joints. Gaskets for PN-designated flanges. Spiral wound gaskets for use with steel flanges
2005BS EN 1514-2:2005 Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Spiral wound gaskets for use with steel flanges