Aerospace series - Pipe coupling 8°30' in titanium alloy - Elbows 45° welded end with thrust wire nut; German and English version EN 4024:2009
Edition 2010-04

Aerospace series - Pipe coupling 8°30′ in titanium alloy - Elbows 45°, welded ends; German version EN 4184:2001
Edition 2002-08

Aerospace series - Pipe coupling 8°30′ in titanium alloy - Elbows 90°, welded ends; German version EN 4183:2001
Edition 2002-08

Pipes and fittings of longitudinally welded hot-dip galvanized steel tube with spigot and socket for waste water systems - Part 2: Dimensions; German version EN 1123-2:2006+A1:2007
Edition 2007-12

Welded fittings for the food and chemical industries - Tees, bends and reducers for welding; German version EN 10374:2021
Edition 2021-10

Pipes and fittings of longitudinally welded hot-dip galvanized steel pipes with spigot and socket for waste water systems - Part 3: Dimensions and special requirements for vacuum drainage systems and for drainage systems in ship-building; German version EN 1123-3:2004
Edition 2005-02

Butt-welding pipe fittings - Part 4: Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements; German version EN 10253-4:2008, Corrigendum to DIN EN 10253-4:2008-06; German version EN 10253-4:2008/AC:2009
Edition 2009-11

District heating pipes - Bonded twin pipe systems for directly buried hot water networks - Part 2: Factory made fitting and valve assemblies of steel service pipes, polyurethane thermal insulation and one casing of polyethylene; German version EN 15698-2:2019
Edition 2020-04

Plastics piping systems for non-pressure underground drainage and sewerage - Polyethylene (PE) - Part 1: Specifications for pipes, fittings and the system; German version EN 12666-1:2005+A1:2011
Edition 2011-11

Fibre-cement pipes for sewers and drains - Part 1: Pipes, joints and fittings for gravity systems; German version EN 588-1:1996
Edition 1996-11