Flanges and their joints - Bolting - Part 2: Classification of bolt materials for steel flanges, PN designated; German version EN 1515-2:2001
Edition 2002-03

Harmonized system of quality assessment for electronic components; generic specification: space-charge controlled tubes
Edition 1977-04

Pipe fittings and joint assemblies for polybutene pressure pipes - Type PB 125 - Part 7: Dimensions of bushings, flanges and selaing elements for socket welding
Edition 2004-02

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
Edition 2004-10

Ships and marine technology - Flanges on castings extra light duty - DN 32 to DN 50, PN up to 25, DN 65 to DN 125, PN up to 10 - Principles of design
Edition 2020-03

Divided lapped flange for glass lined welding necks - PN 10
Edition 2019-10

Spectacle blind flanges - Mating dimensions according to nominal pressures PN 10 and PN 16
Edition 2016-08

Cast steel welding elbows for storm valves - DN 50 to DN 150, flangeconnecting dimensions according to PN 10
Edition 2014-02

Ventilation systems on ships - Round flanges DN 100 to DN 1800
Edition 2015-10

Columns; definitions
Edition 1987-01