Shut-off valves, check valves, air supply/exhaust valves and control valves made of metallic materials for potable water supply systems - Requirements and test methods
Edition 2024-10

Petroleum and natural gas industries - Characteristics of LNG, influencing the design and material selection (ISO 16903:2015); German version EN ISO 16903:2015
Edition 2015-11

Flue gas dampers for gas appliances, thermaly controlled, connected to the appliances; requirements, testing, marking
Edition 1984-12

Hydrogen fuel - Product specification and quality assurance for hydrogen refuelling points dispensing gaseous hydrogen - Proton exchange membrane (PEM) fuel cell applications for vehicles; German version EN 17124:2022
Edition 2022-12

Gas infrastructure - Pressure testing, commissioning and decommissioning procedures - Functional requirements; German version EN 12327:2012
Edition 2012-10

Numerical control of machines, format; general requirements
Edition 1983-01

Surfaces of dense ceramic components for electrical engineering; testing of soft-solderable metal coatings
Edition 1983-08

Expansion vessels - Part 5: Closed expansion vessels with membrane for drinking water installations; Requirements, test, design and designation; DVGW code of practice
Edition 1997-03

Service activities relating to drinking water supply systems and wastewater systems - Guidelines for benchmarking of water utilities (ISO 24523:2017)
Edition 2018-03

German construction contract procedures (VOB) - Part A: General provisions relating to the award of construction contracts
Edition 2019-09