Home / Standards / GB/T 12244 GB/T 12244 Active Pressure reducing valves—General requirements 减压阀 一般要求 Standard Type GBT ICS 23.060.99 CCS J16 Status 现行 Issue Date 2025-10-05 Implementation 2026-05-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会