Chlorinators for water treatment - Technical requirements for equipment, installation and operation; Amendment A1
Edition 2023-03

Application of building products in structures - Part 402: Rules for the application of calcium silicate masonry units according to DIN EN 771-2:2015-11; Amendment 1
Edition 2020-11

Calculation of loudness level and loudness from the sound spectrum - Zwicker method - Amendment 1: Calculation of the loudness of time-variant sound; with CD-ROM
Edition 2010-03

Gas analysis - Absolute volumetric method for dynamic preparation of calibration gases - Part 1: Preparation from pure gases; Amendment 1
Edition 2024-08

Gas analysis - Measurement programs and data evaluation procedures for gas chromatography and other comparison methods; Amendment 1; only on CD-ROM
Edition 2022-08

Testing of sealants in building construction - Compatibility of sealants - Part 2: Change of adhesion/cohesion properties after immersion in chemical liquids
Edition 2015-07

Fire detection and fire alarm systems - Part 4: Power supply equipment; Amendment A1; German version EN 54-4:1997/A1:2002
Edition 2003-03

Respiratory protective devices - Self-contained closed-circuit breathing apparatus compressed oxygen or compressed oxygen-nitrogen type - Requirements, testing, marking (includes Amendment A1:2000); German version EN 145:1997 + A1:2000
Edition 2000-06

Simple unfired pressure vessels designed to contain air or nitrogen - Part 1: Pressure vessels for general purposes; Amendment A1; German version EN 286-1:1998/A1:2002 + AC:2002
Edition 2002-12

Lubricants for applications in appliances and associated controls using combustible gases except those designed for use in industrial processes (includes Amendment A1:1996); German version EN 377:1993 + A1:1996
Edition 1999-04