GB/T 45775-2025
ActiveRefrigerating systems and heat pumps—Valves—Requirements, testing and marking
制冷系统及热泵 阀门 要求、试验和标记
Application Summary AI generated
This standard specifies the performance requirements, testing methods, and marking criteria for valves used in refrigerating systems and heat pumps. It is applied in the design, manufacturing, and quality inspection of valves such as shut-off, check, and expansion valves within HVAC&R (heating, ventilation, air conditioning, and refrigeration) equipment. The standard ensures safety, reliability, and energy efficiency in industrial, commercial, and residential cooling and heating systems.
Related Standards
GB 25131-2010
Safety requirements for water chilling (heat pump) packages using the vapor compression cycle
GB 25130-2010
Safety requirements for unitary air conditioners
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.