• Hydrogen Technologies Standards form the basic framework for market ramp-up

    More information
  • Climate change Standards and specifications support climate targets

    More information
  • Smart Farming Standards and specifications are drivers for the digitalization of agriculture

    More information

Projects of NA 044-00-01 AA

ISO/CD 5149-3 2022-11-14 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 3: Installation site More  Comment 
ISO/CD 5149-2 2022-11-14 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 2: Design, construction, testing, marking and documentation More  Comment 
ISO/CD 5149-1 2022-11-14 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 1: Definitions, classification and selection criteria More  Comment 
DIN 8986 2022-10-28 Cold rooms - Constructional safety requirements More  Comment 
ISO 21922 DAM 1 2022-05-09 Refrigerating systems and heat pumps - Valves - Requirements, testing and marking - Amendment 1 More  Comment 
DIN EN ISO 24664 2020-12-19 Refrigerating systems and heat pumps - Pressure relief devices and their associated piping - Methods for calculation (ISO/DIS 24664:2021); German and English version prEN ISO 24664:2021 More  Comment 
ISO/FDIS 24664 2020-12-18 Refrigerating systems and heat pumps - Pressure relief devices and their associated piping - Methods for calculation More  Comment 
DIN EN 12693 2020-12-11 Refrigerating systems and heat pumps - Safety and environmental requirements - Positive displacement refrigerant compressors; German and English version prEN 12693:2023 More  Comment 
DIN EN ISO 14903/A1 2020-10-13 Refrigerating systems and heat pumps - Qualification of tightness of components and joints - Amendment 1 (ISO 14903:2017/DAM 1:2022); German version EN ISO 14903:2017/FprA1:2022 More  Comment 
DIN CEN/TR 17608 2020-06-23 State of the art on the use of flammable refrigerant alternatives, in particular from class A3, in refrigeration, air conditioning and heat pump equipment More  Comment 

TOP