Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) pipes - Determination of long-term resistance to internal pressure; German version EN 1447:2009+A1:2010
Edition 2011-01

Aerospace series - Pipe coupling 37°, in heat resisting steel - Ferrules, welded end - Inch series; German and English version EN 4555:2003
Edition 2004-08

Aerospace series - Pipe coupling, 37° - Design configuration - Inch series - Part 1: Male sealing ends, spherical
Edition 2016-12-01

Aerospace series - Pipe coupling, 37° - Design configuration - Inch series - Part 4: Female sealing ends
Edition 2016-12-01

Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) pipes - Determination of the apparent initial circumferential tensile strength; German version EN 1394:1996
Edition 1996-12

Plastics piping systems - Joints for glass-reinforced thermosetting plastics (GRP) pipes and fittings - Test methods for leaktightness and resistance to damage of non-thrust resistant flexible joints with elastomeric sealing elements; German version EN 1119:2009
Edition 2009-07

Aerospace series - Pipe coupling 37°, spherical, in heat resisting steel - Straight unions, threaded - Inch series; German and English version EN 4554:2003
Edition 2004-08

Wood preservatives - Determination of the protective effectiveness against Lyctus brunneus (Stephens) - Part 1: Application by surface treatment (laboratory method); German version EN 20-1:2023
Edition 2024-04

Aerospace series - Pipe coupling 37°, spherical up to 21000 kPa - Inch series - Technical specification; German and English version EN 4560:2015
Edition 2015-09

Aerospace series - Pipe coupling 37°, in heat resisting steel - Cap assemblies - Inch series; German and English version EN 4556:2003
Edition 2004-08