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Overview EN ISO 21922:2021/A1:2024 - "Refrigerating systems and heat pumps - Valves - Requirements, testing and marking - Amendment 1" (CEN) is an amendment to the ISO 21922:2021 standard. It specif…
Overview SIST EN ISO 21922:2022 (identical to ISO 21922:2021) specifies safety, functional, testing and marking requirements for valves used in refrigerating systems and heat pumps. The standard cove…
Overview EN ISO 21922:2021 (identical to ISO 21922:2021) specifies safety, functional, testing and marking requirements for valves used in refrigerating systems and heat pumps. The standard covers va…
Overview ISO 21922:2021/Amd 1:2024 is the latest amendment to the international standard governing valves used in refrigerating systems and heat pumps. Published by the International Organization for…
Overview - What ISO 21922:2021 covers ISO 21922:2021, "Refrigerating systems and heat pumps - Valves - Requirements, testing and marking", defines safety, functional and marking requirements for valv…