Petroleum and natural gas industries - Compact flanged connections with IX seal ring (ISO 27509:2020); English version EN ISO 27509:2020, only on CD-ROM
Edition 2021-05

Industrial valves - Shell design strength - Part 1: Tabulation method for steel valve shells; German version EN 12516-1:2014+A1:2018
Edition 2018-11

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

Steel flanged pipes and steel and cast iron flanged fittings lined with PTFE or PFA - Technical specifications
Edition 2002-06

Flanged steel pipes and fittings with hard or soft rubber linings - Technical delivery conditions
Edition 2002-06

Flanged steel pipes and flanged steel or cast iron fittings with lining - PN 10, PN 25 and PN 40
Edition 2002-06

Shell boilers - Part 2: Materials for pressure parts of boilers and accessories; German and English version prEN 12953-2:2024
Edition 2024-03

Connections for general use and fluid power - Ports and studs ends with ISO 261 threads with elastomeric or metal-to-metal sealing - Part 1: Threaded ports (ISO 9974-1:1996); German version EN ISO 9974-1:2000
Edition 2000-09

Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - PN and Class designated valves; German version EN 558:2022
Edition 2022-09

Preparation of welds; part 4: matching of inside diameters for circumferential welds on seamless pipes of stainless steels
Edition 1994-07