GB/T 21109.3-2007Functional safety - Safety instrumented systems for the process industry sector - Part 3: Guidance for the determination of required safety integrity levels (English PDF)
过程工业领域安全仪表系统的功能安全 第3部分：确定要求的安全完整性等级的指南
GB/T 21109.3 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 21109.3-2026 | Functional safety of safety instrumented systems in the process industry sector—Part 3: Guidance for the determination of the required safety integrity levels | Valid |
| GB/T 21109.3-2007 | Functional safety - Safety instrumented systems for the process industry sector - Part 3: Guidance for the determination of required safety integrity levels | Obsolete |
GB/T 21109.3-2007 is obsolete. It has been replaced by GB/T 21109.3-2026. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China
Level / Type
National · Recommended
Issue date
October 11, 2007
Implementation date
December 1, 2007
Scope
GB/T 21109.3-2007 is the English-translated version of 过程工业领域安全仪表系统的功能安全 第3部分：确定要求的安全完整性等级的指南.
GB/T 21109.3-2007 is the Chinese national standard "Functional safety - Safety instrumented systems for the process industry sector - Part 3: Guidance for the determination of required safety integrity levels".
It was issued on October 11, 2007 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the Standardization Administration of China, and took effect on December 1, 2007. It is obsolete: it has been replaced by GB/T 21109.3-2026.
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Document preview — GB/T 21109.3-2007
National Standard of the People's Republic of China
Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China.
Date of issue: 2007-10-11.
Date of implementation: 2007-12-01.
Status: obsolete, replaced by GB/T 21109.3-2026.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
Referenced standards
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Related Standards
GB/T 21109.2-2007 — Functional safety - Safety instrumented systems for the process industry sector - Part 2: Guidelines for the application of GB/T 21109.1
GB/T 21109.2-2023 — Functional safety of safety instrumented systems for the process industry sector - Part 2: Guidelines for the application of GB/T 21109.1-2022
GB/T 21109.1-2007 — Functional safety - Safety instrumented systems for the process industry sector - Part 1: Framework, definitions, system, hardware and software requirements
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GB/T 21109.3-2007
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