GB/T 7778-2017
ActiveNumber designation and safety classification of refrigerants
制冷剂编号方法和安全性分类
Application Summary AI generated
GB/T 7778-2017 specifies the numbering system and safety classification for refrigerants used in refrigeration, air conditioning, and heat pump equipment. It assigns unique alphanumeric designations to refrigerants and classifies them by toxicity and flammability (e.g., A1, A2L, B2) to guide safe handling, system design, and regulatory compliance. This standard is applied by manufacturers, engineers, and testing laboratories in China for product certification, equipment labeling, and safety assessments.
Related Standards
GB 25130-2010
Safety requirements for unitary air conditioners
GB 25131-2010
Safety requirements for water chilling (heat pump) packages using the vapor compression cycle
GB/T 19569-2004
Air conditioning unit for clean operating room
GB/T 18835-2002
Grain chillers
GB/T 18836-2002
Ducted air-conditioning(heat pump) units
GB/T 18517-2001
Terminology of refrigeration
GB/T 7778-2001
Number designation and safety classification of refrigerants
GB/T 7941-1987
Testing of refrigerating systems
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.