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ISO 916:2020PublishedTesting of refrigerating systemsISO 5149-4:2022PublishedRefrigerating systems and heat pumps — Safety and environmental requirements — Part 4: Operation, maintenance, repair and recoveryISO 5149-1:2014PublishedRefrigerating systems and heat pumps — Safety and environmental requirements — Part 1: Definitions, classification and selection criteriaISO 5149-2:2014PublishedRefrigerating systems and heat pumps — Safety and environmental requirements — Part 2: Design, construction, testing, marking and documentationISO 5149-3:2014PublishedRefrigerating systems and heat pumps — Safety and environmental requirements — Part 3: Installation siteISO 11650:1999PublishedPerformance of refrigerant recovery and/or recycling equipmentISO 13971:2012PublishedRefrigeration systems and heat pumps — Flexible pipe elements, vibration isolators, expansion joints and non-metallic tubes — Requirements and classificationISO 14903:2025PublishedRefrigerating systems and heat pumps — Qualification of tightness of components and jointsISO 18483:2025PublishedPerformance rating of centrifugal refrigerant compressorISO 18501:2025PublishedPerformance rating of positive displacement refrigerant compressorISO 18976:2026PublishedTesting of refrigerant compressorsISO 21922:2021PublishedRefrigerating systems and heat pumps — Valves — Requirements, testing and markingISO 22712:2023PublishedRefrigerating systems and heat pumps — Competence of personnelISO 24664:2024PublishedRefrigerating systems and heat pumps — Pressure relief devices and their associated piping — Methods for calculationISO 5149-1Under developmentRefrigerating systems and heat pumps — Safety and environmental requirements — Part 1: VocabularyISO 5149-2Under developmentRefrigerating systems and heat pumps — Safety and environmental requirements — Part 2: Design, construction, testing, marking and documentationISO 5149-3Under developmentRefrigerating systems and heat pumps — Safety and environmental requirements — Part 3: Installation site, classification and selection criteriaISO/R 916:1968WithdrawnTesting of refrigerating systemsISO 917:1989WithdrawnTesting of refrigerant compressorsISO 917:1974WithdrawnTesting of refrigerant compressorsISO/R 1662:1971WithdrawnRefrigerating plants — Safety requirementsISO 5149-4:2014WithdrawnRefrigerating systems and heat pumps — Safety and environmental requirements — Part 4: Operation, maintenance, repair and recoveryISO 5149:1993WithdrawnMechanical refrigerating systems used for cooling and heating — Safety requirementsISO 7345:1985WithdrawnThermal insulation — Physical quantities and definitionsISO 9309:1989WithdrawnRefrigerant compressors — Presentation of performance data