Home / Standards / GB/T 14478-2025 GB/T 14478-2025 Active Basic technical specification of inlet valves for large and medium-sized hydraulic turbines 大中型水轮机进水阀门基本技术规范 Standard Type GBT ICS 27.140 CCS K55 Status 现行 Issue Date 2025-02-28 Implementation 2025-09-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A