Wastewater treatment plants - Part 7: Biological fixed-film reactors; German version EN 12255-7:2002
Edition 2002-04

Wastewater treatment plants - Part 14: Disinfection; German version EN 12255-14:2003
Edition 2004-03

Piping for pigging systems - Part 1: Pipes and elbows
Edition 2009-02

Wastewater treatment plants - Part 1: General construction principles; German version EN 12255-1:2002
Edition 2002-04

Spectator facilities - Part 6: Demountable stands; German version EN 13200-6:2020
Edition 2020-11

Fire detection and fire alarm systems - Part 11: Manual call points; German version EN 54-11/A1:2005
Edition 2006-03

Fire detection and fire alarm systems - Part 16: Voice alarm control and indicating equipment; German version EN 54-16:2008
Edition 2008-06

Chemical apparatus - Documentation in the life cycle of process plants - Part 1: Registration of the essential and supplementary documentation
Edition 2011-01

Spectator facilities - Part 3: Separating elements - Requirements; German version EN 13200-3:2018
Edition 2018-12

Medical electron accelerators - Part 5: Constancy tests of functional performance characteristics, Corrigendum to DIN 6847-5:2013-10
Edition 2015-04