UNE-EN ISO 21922:2022/A1:2025

Refrigerating systems and heat pumps - Valves - Requirements, testing and marking - Amendment 1 (ISO 21922:2021/Amd 1:2024)

STANDARD published on 10.9.2025

English -
electronic design (pdf) (83.60 USD)

English -

Print design (91.90 USD)

Spanish -

electronic design (pdf) (69.60 USD)

Spanish -

Print design (76.60 USD)

The information about the standard:

Designation standards: UNE-EN ISO 21922:2022/A1:2025
Note: Change
Publication date standards: 10.9.2025
The number of pages: 15
Approximate weight : 45 g (0.10 lbs)
Country: Spanish technical standard
Category: Technical standards UNE