ANSI/ASHRAE 34 Addendum R-2021
Designation and Safety Classification of Refrigerants

Standard No.

ANSI/ASHRAE 34 Addendum R-2021

Release Date

2021

Published By

American National Standards Institute （ANSI)

Latest

ANSI/ASHRAE 34 Addendum R-2021

ANSI/ASHRAE 34 Addendum R-2021 history

• 2021 ANSI/ASHRAE 34 Addendum R-2021 Designation and Safety Classification of Refrigerants
• 2012 ANSI/ASHRAE 34 Addendum r-2012 Designation and Safety Classification of Refrigerants