Petroleum and natural gas industries - Steel pipe for pipeline transportation systems (ISO 3183:2019); German version EN ISO 3183:2019
Edition 2020-02

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

Ready-made insulated joint - Part 1: Insulating couplings for service lines and gas installations - Requirements and tests
Edition 2021-02

Ready-made insulated joint - Part 2: Insulating couplings for gas distribution and transportation - Requirements and tests
Edition 2021-02

Protective caps for pipe fittings with welded and threaded ends
Edition 2015-05

Statistics on German meteorological data for calculating the energy requirements for heating and air conditioning equipment
Edition 2003-01

Ice-sport facilities - Ice-sport facilities with artificial ice - Rules for planning and construction
Edition 2017-10

Treatment of spent filter backwash water from systems for treatment of water of swimming-pools and baths
Edition 2016-07

External corrosion protection of buried pipes - Part 1: Corrosion protection systems and application for steel pipes
Edition 2019-05

Construction elements in the gas supply system - Part 1: Requirements for construction elements in gas supply systems
Edition 2019-05