Wastewater treatment plants - Part 1: General construction principles; German version EN 12255-1:2002
Edition 2002-04

Safety rules for the construction and installation of lifts - Lifts for the transport of goods only - Part 31: Accessible goods only lifts; German version EN 81-31:2010
Edition 2010-08

Gas infrastructure - Underground gas storage - Part 4: Functional recommendations for storage in rock caverns; German version EN 1918-4:2016
Edition 2016-11

Petroleum and related products - Determination of anti-wear properties of hydraulic fluids - Vane pump method (ISO 20763:2004); German version EN ISO 20763:2004
Edition 2004-10

Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water - Part 1: Anaerobic jointing compounds; German version EN 751-1:1996
Edition 1997-05

Lubricants - Lubricating oils - Part 4: Lubricating oils C LPX, Minimum requirements
Edition 2024-10

Gas infrastructure - Safety Management System (SMS) and Pipeline Integrity Management System (PIMS) - Functional requirements; German version EN 17649:2022
Edition 2023-04

Guide for procurement of power station equipment - Part 5-3: Wind turbines; German version EN 45510-5-3:1998
Edition 1998-06

Dentistry - Central compressed air source equipment (ISO 22052:2020); German version EN ISO 22052:2020
Edition 2020-11

Gears - FZG test procedures - Part 3: FZG test method A/2,8/50 for relative scuffing load-carrying capacity and wear characteristics of semifluid gear greases (ISO 14635-3:2005)
Edition 2011-08