Flange connections according to this standard consist of welded connections according to DIN 86037-2 and loose flanges according to DIN 86037-3, they are used in pipelines on ships.
DIN 86037-1:2017 Referenced Document
DIN 85004-2:2006 Pipelines of copper-nickel-alloys - Part 2: Basic principles for design and fabrication, testing
DIN 86018:2002 Welded tubes made of CuNi10Fe1,6Mn for pipes - Dimensions
DIN 86019:2006 Seamless tubes made of CuNi10Fe1,6Mn for pipes - Dimensions for standard tubes and precision tubes
DIN 86037-2:2017 Loose flanges and welding necks for pipes of copper-nickel-alloys - Part 2: Welding necks
DIN 86037-3:2017 Loose flanges and welding necks for pipes of copper-nickel-alloys - Part 3: Loose flanges
DIN EN 1092-3:2004 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 3: Copper alloy flanges; German version EN 1092-3:2003 + AC:2004
DIN EN 1514-1:1997 Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 1: Non-metallic flat gaskets with or without inserts; German version EN 1514-1:1997
DIN EN ISO 4016:2011 Hexagon head bolts - Product grade C (ISO 4016:2011); German version EN ISO 4016:2011
DIN EN ISO 4032:2013 Hexagon regular nuts (style 1) - Product grades A and B (ISO 4032:2012); German version EN ISO 4032:2012
DIN 86037-1:2017 history
2017DIN 86037-1:2017-12 Loose flanges and welding necks for pipes of copper-nickel-alloys - Part 1: Assembly
1970DIN 86037-1 E:2017-04 Loose flanges and welding necks for pipes of copper-nickel-alloys - Part 1: Assembly
2017DIN 86037-1:2017 Loose flanges and welding necks for pipes of copper-nickel-alloys - Part 1: Assembly
1995DIN 86037-1:1995 Loose flanges and welding necks for pipes of copper-nickel-alloys - Part 1: Assembly