DS/ISO 21922:2021
Refrigerating systems and heat pumps – Valves – Requirements, testing and marking

Standard No.

DS/ISO 21922:2021

Release Date

2021

Published By

Danish Standards Foundation

Latest

DS/ISO 21922:2021

DS/ISO 21922:2021 history

• 2021 DS/ISO 21922:2021 Refrigerating systems and heat pumps – Valves – Requirements, testing and marking