ISO 21922:2021/DAmd 1
Refrigerating systems and heat pumps — Valves — Requirements, testing and marking — Amendment 1

Standard No.

ISO 21922:2021/DAmd 1

Release Date

2023

Published By

International Organization for Standardization (ISO)

Latest

ISO 21922:2021

ISO 21922:2021/DAmd 1 history

• 2021 ISO 21922:2021 Refrigerating systems and heat pumps — Valves — Requirements, testing and marking