NF E35-408*NF EN ISO 21922:2021
Refrigerating systems and heat pumps - Valves - Requirements, testing and marking

Standard No.

NF E35-408*NF EN ISO 21922:2021

Release Date

2021

Published By

Association Francaise de Normalisation

Latest

NF E35-408*NF EN ISO 21922:2021

NF E35-408*NF EN ISO 21922:2021 history

• 2021 NF E35-408*NF EN ISO 21922:2021 Refrigerating systems and heat pumps - Valves - Requirements, testing and marking