GB/T 7778-2001
Number designation and safety classification of refrigerants (English Version)

Standard No.

GB/T 7778-2001

Language

Chinese, Available in English version

Release Date

2001

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2009-05

Replace By

GB/T 7778-2008

Latest

GB/T 7778-2017(XG2-2020)

Scope

This standard specifies the numbering method of refrigerants to replace chemical names, molecular formulas or trade names. When using the refrigerant numbering method stipulated in this standard, the use of chemical names and molecular formulas is not excluded. This standard also stipulates the safety classification of refrigerants according to their toxicity hazards and flammability hazards.

GB/T 7778-2001 history

• 0000 GB/T 7778-2017(XG2-2020)
• 2017 GB/T 7778-2017 Number designation and safety classification of refrigerants
• 2008 GB/T 7778-2008 Number designation and safety classification of refrigerants
• 2001 GB/T 7778-2001 Number designation and safety classification of refrigerants