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NA 044

DIN Standards Committee Refrigeration Technology

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Projects of NA 044

Number: 57

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 
DIN EN ISO 23953-2 2020-04-02 Refrigerated display cabinets - Part 2: Classification, requirements and test conditions (ISO 23953-2:2023); German version EN ISO 23953-2:2023 More  Comment 
DIN EN ISO 23953-1 2020-04-02 Refrigerated display cabinets - Part 1: Vocabulary (ISO 23953-1:2023); German version EN ISO 23953-1:2023 More  Comment 
DIN EN 17625 2019-07-29 Roof-top units More  Comment 

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