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NA 044

DIN Standards Committee Refrigeration Technology

About FNKä Projects Drafts Publications Documents withdrawn without replacement National committees European committees International committees

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Publications of NA 044

Number: 160


DIN EN ISO 14903	2025-05	Standard	Refrigerating systems and heat pumps - Qualification of tightness of components and joints (ISO 14903:2025); German version EN ISO 14903:2025 More	Order from DIN Media
DIN EN ISO 23953-2	2025-04	Standard	Refrigerated display cabinets - Part 2: Classification, requirements and test conditions (ISO 23953-2:2023); German version EN ISO 23953-2:2023 More	Order from DIN Media
DIN EN ISO 24664	2025-04	Standard	Refrigerating systems and heat pumps - Pressure relief devices and their associated piping - Methods for calculation (ISO 24664:2024); German version EN ISO 24664:2024 More	Order from DIN Media
ISO 5222-2	2025-02	Standard	Heat recovery ventilators and energy recovery ventilators - Testing and calculating methods for seasonal performance factor - Part 2: Sensible cooling recovery seasonal performance factors of heat recovery ventilators (HRV) More	Order from DIN Media
ISO 14903	2025-01	Standard	Refrigerating systems and heat pumps - Qualification of tightness of components and joints More	Order from DIN Media
DIN EN ISO 23953-1	2024-12	Standard	Refrigerated display cabinets - Part 1: Vocabulary (ISO 23953-1:2023); German version EN ISO 23953-1:2023 More	Order from DIN Media
ISO 16358-1 AMD 2	2024-12	Standard	Air-cooled air conditioners and air-to-air heat pumps - Testing and calculating methods for seasonal performance factors - Part 1: Cooling seasonal performance factor - Amendment 2 More	Order from DIN Media
ISO 21922 AMD 1	2024-11	Standard	Refrigerating systems and heat pumps - Valves - Requirements, testing and marking - Amendment 1 More	Order from DIN Media
ISO 817	2024-11	Standard	Refrigerants - Designation and safety classification More	Order from DIN Media
ISO 24664	2024-11	Standard	Refrigerating systems and heat pumps - Pressure relief devices and their associated piping - Methods for calculation More	Order from DIN Media

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