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ISO 21922:2021

Refrigerating systems and heat pumps — Valves — Requirements, testing and marking

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…

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162 000 ₽

ISO 21922:2021/Amd 1:2024

Действующий

Refrigerating systems and heat pumps — Valves — Requirements, testing and marking — Amendment 1

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…

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