Home / Standards / GB/T 45569-2025 GB/T 45569-2025 Active Design criteria for the thermal insulation of reactor coolant system main equipments and piping of PWR nuclear power plants 压水堆核电厂反应堆冷却剂系统设备和管道保温层设计准则 Standard Type GBT ICS 27.120.20 CCS F 69 Status 现行 Issue Date 2025-04-25 Implementation 2025-04-25 Responsible Dept 国家标准委 Drafting Unit N/A