强制性国家标准GB 9237《制冷系统及热泵安全与环境要求》主要修订点及标准中几个关键问题释义

摘要

The background and necessity of the revision of the national standard GB 9237 "refrigeration system and heat pump safety and environmental requirements" was discussed in this paper. The similarities and differences between the standard and the corresponding international standard ISO 5149: 2014 were illustrated, and the difficult problems in the new edition standard were discussed. The new version of GB 9237 standard provides the technical support for the safe use of flammable refrigerants, and will reduce the hazard and risk of refrigeration systems or refrigerant to life, property and the environment.%本文论述了强制性国家标准GB 9237《制冷系统与热泵安全与环境要求》修订的背景与必要性，说明了该标准与对应的国际标准ISO 5149：2014的异同点和修改依据，对新一版标准中的疑难问题进行了阐述。新版GB 9237标准为可燃性制冷剂的安全使用提供技术支持，并将减少制冷系统或制冷剂对生命、财产和环境的危害风险。