Home / Standards / GB/T 45111-2024 GB/T 45111-2024 Active Quality control guidelines for layer of protection analysis(LOPA), safety integrity levels(SIL)determination and verification 保护层分析(LOPA)、安全完整性等级(SIL)定级和验证质量控制导则 Standard Type GBT ICS 25.040 CCS N10 Status 现行 Issue Date 2024-12-31 Implementation 2025-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A