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DIN 21057-1 [CURRENT] references following documents:

Document number Edition Title
DIN 28091-2 2014-11 Technical delivery conditions for gasket sheets - Part 2: Requirements and testing for fibre-based gasket materials (FA) More 
DIN 28091-3 2014-11 Technical delivery conditions for gasket sheets - Part 3: Requirements and testing for PTFE-based gasket materials (TF) More 
DIN 28091-4 2014-11 Technical delivery conditions for gasket sheets - Part 4: Requirements and testing for expanded graphite-based gasket materials (GR) More 
DIN EN 1515-1 2000-01 Flanges and their joints - Bolting - Part 1: Selection of bolting; German version EN 1515-1:1999 More 
DIN EN 1515-2 2002-03 Flanges and their joints - Bolting - Part 2: Classification of bolt materials for steel flanges, PN designated; German version EN 1515-2:2001 More 
DIN 2695 2021-06 Diaphragm-weld packings and weld ring seals for flange connections More 
DIN 2696 2021-06 Flange connections with lens shaped gasket More 
DIN 28011 2012-06 Torispherical heads More 
DIN 28013 2012-06 Ellipsoidal heads More 
2014/68/EU 2014-05-15 Directive 2014/68/EU of the European Parliament and of the Council of 15 May 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of pressure equipment More