Technical conditions of delivery of valves - Valves for gas installations and gas pipelines - Part 5: Requirements and tests
Edition 2014-11

Gas meter connections - Part 1: Two pipes connection; DVGW code of practice
Edition 2023-02

Mating dimensions between differential pressure (type) measuring instruments and flanged-on shut-off devices up to 413 bar (41,3 MPa) (IEC 61518:2001); German version EN 61518:2001 + Corrigendum:2002
Edition 2002-06

Hose assemblies of stainless steel for chemical products
Edition 2006-07

Interchangeable single-chamber silos (free fall) for use with lift-off and dumper vehicles - Connecting dimensions and requirements
Edition 2018-01

Aerospace series - Pipe coupling 24° Cone up to 35 000 kPa (5 080 psi) Ring-locked fitting - Flareless End - Inch Series - Extra Fine Thread Pitch; German and English version EN 4833:2018
Edition 2018-10

Gas isolation valves and overpressure protection devices for pressure measuring devices - Part 2: Conformity assessment
Edition 2021-07

Stop valves for domestic water supply - Part 1: General requirements and tests for manually operated piston type gate valves of special design, gate valves and diaphragm valves, Technical rule of the DVGW
Edition 2011-01

Gas meter connections - Part 1: Two pipes connection; DVGW code of practice
Edition 2005-02

Pipe classes for process plants - Part 1: General - General principles for creating pipe classes
Edition 2023-08