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DIN EN ISO 21922/A1
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2023-10
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Draft standard
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Refrigerating systems and heat pumps - Valves - Requirements, testing and marking - Amendment 1 (ISO 21922:2021/DAM 1:2023); German and English version EN ISO 21922:2021/prA1:2023
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DIN EN ISO 24664
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2025-04
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Standards
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Refrigerating systems and heat pumps - Pressure relief devices and their associated piping - Methods for calculation (ISO 24664:2024); German version EN ISO 24664:2024
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DIN-Fachbericht CEN/TR 14739
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2005-04
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Technical rule
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Scheme of carrying out a risk assessment for flammable refrigerants in case of household refrigerators and freezers
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ISO 5149-1
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2014-04
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Standards
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Refrigerating systems and heat pumps - Safety and environmental requirements - Part 1: Definitions, classification and selection criteria
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ISO 5149-1 AMD 1
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2015-10
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Standards
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Refrigerating systems and heat pumps - Safety and environmental requirements - Part 1: Definitions, classification and selection criteria - Amendment 1: Correction of QLAV, QLMV
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ISO 5149-1 AMD 2
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2021-01
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Standards
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Refrigerating systems and heat pumps - Safety and environmental requirements - Part 1: Definitions, classification and selection criteria - Amendment 2: Update of Annex A and the refrigerant tables
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ISO 5149-2
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2014-04
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Standards
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Refrigerating systems and heat pumps - Safety and environmental requirements - Part 2: Design, construction, testing, marking and documentation
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ISO 5149-2 AMD 1
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2020-06
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Standards
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Refrigerating systems and heat pumps - Safety and environmental requirements - Part 2: Design, construction, testing, marking and documentation
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ISO 5149-3
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2014-04
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Standards
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Refrigerating systems and heat pumps - Safety and environmental requirements - Part 3: Installation site
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ISO 5149-3 AMD 1
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2021-03
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Standards
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Refrigerating systems and heat pumps - Safety and environmental requirements - Part 3: Installation site - Amendment 1: Update of the requirements for machinery rooms and emergency mechanical ventilation
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