LPG Equipment and Accessories - Pipework systems and supports - LPG in liquid phase and vapour pressure phase; German version EN 16125:2019
Edition 2019-12

Petroleum and natural gas industries - Pipeline transportation systems (ISO 13623:2009 modified); German version EN 14161:2011+A1:2015
Edition 2015-07

Plastics piping systems for water supply and for buried and above ground drainage, sewerage and irrigation under pressure - Oriented unplasticized poly(vinyl chloride) (PVC-O) - Part 1: General; German version EN 17176-1:2019
Edition 2019-07

German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Diaphragm walling
Edition 2019-09

German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Trenchless pipelaying
Edition 2019-09

German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Horizontal directional drilling works
Edition 2019-09

Ductile iron fittings for PVC-U or PE piping systems - Requirements and test methods; German version EN 12842:2012
Edition 2012-11

Soil quality - Inhibition of reproduction of the soil mite (Hypoaspis aculeifer) by soil contaminants (ISO 21285:2019); German version EN ISO 21285:2020
Edition 2021-02

Chemical apparatus - Documentation in the life cycle of process plants - Part 2: Contents of documentation
Edition 2011-01

Oil and gas industries including lower carbon energy - Cathodic protection of pipeline systems - Part 1: On-land pipelines (ISO/DIS 15589-1:2024); German and English version prEN ISO 15589-1:2024
Edition 2024-05