Recommendations for classification of imperfections in pipe joint rings
Edition 1993-07-15

Organic coating systems and linings for protection of industrial apparatus and plants against corrosion caused by aggressive media - Part 1: Terminology, design and preparation of substrate; German version EN 14879-1:2005
Edition 2005-12

Jointing materials and compounds. Specification for corrugated metal joint rings
Edition 1988-11-30

Bolted bonnet steel gate valves for the petroleum, petrochemical and allied industries (ISO 10434:2020); German version EN ISO 10434:2020
Edition 2020-12

Prestressed concrete pressure pipes, cylinder and non-cylinder, including joints, fittings and specific requirement for prestressing steel for pipes; German version EN 642:1994
Edition 1994-12

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

Industrial valves - Valves for chemical and petrochemical process industry - Requirements and tests; German version EN 12569:2020
Edition 2020-12

Steel gate, globe and check valves for sizes DN 100 and smaller, for the petroleum and natural gas industries (ISO 15761:2020); English version EN ISO 15761:2020
Edition 2021-04

Flanges and their joints - Dimensions of gaskets for Class-designated flanges - Part 1: Non-metallic flat gaskets with or without inserts; German and English version prEN 12560-1:2023
Edition 2023-03

Determination of water separation ability of lubricating oils and low-flammability fluids after contact with steam
Edition 1991-03