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  4. Standard "STN EN ISO 21922"
Standard STN EN ISO 21922 1.2.2022 preview

STN EN ISO 21922 (142030)

Refrigerating systems and heat pumps - Valves - Requirements, testing and marking (ISO 21922:2021)

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STANDARD published on 1.2.2022


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The information about the standard:

Designation standards: STN EN ISO 21922
Classification mark: 142030
Catalog number: 134241
Publication date standards: 1.2.2022
SKU: NS-1048878
Approximate weight : 60 g (0.13 lbs)
Country: Slovak technical standard
Category: Technical standards STN

We recommend simillar standard:!

ČSN EN ISO 21922 (01.05.2022)

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Heat pumpsRefrigerating technology

These changes apply to this standard:

Preview STN EN ISO 21922:2022/A1 1.4.2025
STN EN ISO 21922:2022/A1 (142030) Change

Change published on 1.4.2025

We recommend simillar standard:!
ČSN EN ISO 21922:2022/A1 (01.05.2025)
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