Home / Standards / GB/T 12245-2025 GB/T 12245-2025 Active Methods of performance test for pressure reducing valves 减压阀性能试验方法 Standard Type GBT ICS 23.060.99 CCS J16 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A