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GB/T 32821-2025: Gas turbine applications - Safety
Status: Valid GB/T 32821: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 32821-2025 | English | 1554 |
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Gas turbine applications - Safety
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GB/T 32821-2025
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| GB/T 32821-2016 | English | 1404 |
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Gas turbine applications -- Safety
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GB/T 32821-2016
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Standard similar to GB/T 32821-2025 GB/T 51033 GB/T 50082 GB/T 32821 Basic data | Standard ID | GB/T 32821-2025 (GB/T32821-2025) | | Description (Translated English) | Gas turbine applications - Safety | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K56 | | Classification of International Standard | 27.040 | | Word Count Estimation | 78,748 | | Date of Issue | 2025-08-01 | | Date of Implementation | 2026-02-01 | | Older Standard (superseded by this standard) | GB/T 32821-2016 | | Issuing agency(ies) | State Administration for Market Regulation, Standardization Administration of China | GB/T 32821-2025: Gas turbine applications - Safety---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT32821-2025
ICS 27.040
CCSK56
National Standard of the People's Republic of China
Replaces GB/T 32821-2016
Gas Turbine Application Safety
(ISO 21789.2022, IDT)
Released on August 1, 2025
Implementation on February 1, 2026
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Terms and Definitions 4
4 Major Hazards List 6
5 Safety Requirements 6
5.1 General Principles 6
5.2 Risk Assessment 7
5.3 Improvements and replacement parts 8
5.4 Foreseeable Failures 8
5.5 Lifespan 8
5.6 Dangerous Combinations 8
5.7 Noise Reduction in the Design Phase 8
5.8 Machinery 9
5.9 Gas Turbine Compressor Inlet System 13
5.10 Fuel System 14
5.11 Combustion Monitoring 22
5.12 Exhaust System 22
5.13 Cover 23
5.14 Lighting 25
5.15 Fire Prevention Measures 25
5.16 Hazardous area classification and explosion protection 29
5.17 Ventilation 32
5.18 Fan 34
5.19 Combustible gas detection 35
5.20 Control and automatic protection systems 36
5.21 Electrical 38
5.22 Sewage outlet, vent and exhaust outlet 40
5.23 Pressure equipment 41
5.24 Auxiliary Systems 44
5.25 Equipment installed in hazardous areas 45
5.26 Unenclosed gas turbines in power plants 45
5.27 Decommissioning and Disposal 46
6 Certification 46
6.1 Quality Assurance 46
6.2 Safety Requirements Certification 46
7 Instructions for Use 46
7.1 General Principles 46
7.2 Language 47
7.3 Complete Set 47
7.4 Debugging 47
7.5 Run 48
7.6 Cover channel 49
7.7 Maintenance 50
7.8 Warning signs and notices 52
7.9 Noise 53
7.10 Permit to Work (PTW) 53
7.11 Training 53
7.12 Decommissioning and Disposal 53
Appendix A (Informative) Major Hazard List 54
Appendix B (Normative) Verification of safety requirements and/or measures 63
Reference 69
Preface
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document replaces GB/T 32821-2016 Gas Turbine Application Safety. Compared with GB/T 32821-2016, except for the structural adjustment,
Besides the editorial changes, the main technical changes are as follows.
a) Added the element “fan blade sparks” (see 5.18.3);
b) Deleted “Maintenance and calibration” of combustible gas detection (see 5.19.6 of the.2016 edition);
c) Added the element "cybersecurity" (see 5.20.10);
d) Changed the element “public supply” to “public air supply” (see 5.24.4, 5.24.4 of the.2016 edition);
e) The element “noise” has been added (see 7.9).
This document is equivalent to ISO 21789.2022 "Safety of gas turbine operations".
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the China Machinery Industry Federation.
This document is under the jurisdiction of the National Technical Committee for Standardization of Gas Turbines (SAC/TC259).
This document was drafted by. Nanjing Gas Turbine Research Institute, AECC Shenyang Engine Research Institute, Shanghai Power Generation Equipment Complete Design Research Institute
Institute Co., Ltd., Xi'an Thermal Engineering Research Institute Co., Ltd., Shanghai Electric Gas Turbine Co., Ltd., Dongfang Electric Corporation Dongfang Steam Turbine Co., Ltd.
Co., Ltd., AECC (Zhuzhou) Co., Ltd., Guoneng Zhejiang Yuyao Gas Power Generation Co., Ltd., Harbin Electric Power Equipment National Engineering Research Institute
Center Co., Ltd., China Aero Engine Gas Turbine Co., Ltd., Huadian Gas Turbine Technology (Shanghai) Co., Ltd., ENN Energy Power Technology
(Shanghai) Co., Ltd.
The main drafters of this document are. Xu Xiao, Ou Yonggang, Wang Siyuan, Xiao Junfeng, Cai Jiyu, Tian Xiaojing, Wei Bingxia, Han Jianqing, Feng Yongzhi, Sun Yuanwei,
Hao Jiangang and Zhang Hong.
This document was first published in.2016 and this is the first revision.
introduction
This document is a Class C standard in GB/T 15706-2012.
This document is intended for the following groups.
---Machine manufacturers (small, medium and large enterprises);
--- Health and safety agencies (regulatory agencies, prevention agencies, market surveillance, etc.).
Other organizations affected by the above groups.
---Users/employers (small, medium and large enterprises);
---Users/employees (such as trade unions and organizations with special needs);
---Service providers, such as maintenance (small, medium and large enterprises);
--- Consumer (where the consumer plans to use the machinery).
The above groups may have been involved in the drafting of this document.
This document covers the relevant machines and the hazards they present, hazardous situations that may be encountered, and potential dangerous accidents.
For machines designed and manufactured in accordance with the provisions of this Category C standard, if the provisions of this Category C standard differ from those of Category A or Category B standards,
The provisions of this C-type standard take precedence over those of other standards.
If local or national regulations accept other established codes or standards, or provide alternative national codes or standards that provide equivalent requirements for achieving risk reduction,
If there are no international or national standards, the use of these alternative specifications or standards is allowed.
The scope of application of the referenced documents is limited to the main body of this document. All dated referenced standards are applicable only if their subsequent versions meet the requirements of this document.
The requirements of this document for safety issues and identified hazards may be applied to subsequent versions of the standard.
Only the text of this clause and the referenced documents in this clause shall apply.
Gas Turbine Application Safety
1 Scope
This document specifies various types of open (simple, coupled) reactors for use on land and at sea, including floating platforms, using liquid or gaseous fuels.
Combination, recuperation, reheat, etc.) cycles of aviation-derived and industrial gas turbines (hereinafter referred to as "gas turbines"), as well as safety-related control,
Safety requirements for detection systems and necessary auxiliary facilities.
This document applies to the mechanical, electrical and pressure equipment components and systems of gas turbines, including but not limited to gas turbine auxiliary gear
This document also covers the installation of
Safety risks, such as exhaust purge or drain.
This document details the anticipated significant hazards associated with aircraft-derived and industrial gas turbines and identifies potential mitigation or
This document deals with hazards to human health and the environment. It does not cover hazards related to human health.
equipment damage not related to personal health or environmental hazards.
The purpose of this document is to ensure that the design, manufacture, operation and maintenance of equipment throughout its service life comply with GB/T 15706-2012.
This document defines the safety of gas turbines from an international perspective, based to the greatest extent possible on existing certified ISO and IEC standards.
For parts not covered by ISO or IEC standards, other specifications or standards (such as EN, NFPA, etc.) shall be used.
This document does not include a minimum level of functional safety, which is determined by the application and site.
This document is not applicable to the following items, but may be used as general guidance for these devices when required.
---Exhaust system structure design;
---Driven equipment;
--- Micro gas turbines covered in GB/T 38180-2019;
--- Gas turbines primarily used for direct and indirect propulsion;
---Mobile gas turbines;
--- Gas turbines using special heat sources;
--- Gas turbines under research and development;
---Gas turbine of compressed air storage power station.
This document does not apply to machinery or safety components manufactured before its publication.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 3836.11-2022 Explosive atmospheres Part 11.Test methods and data for the classification of properties of gases and vapors
(ISO /IEC 80079-20-1.2017, IDT)
GB/T 5169.2-2021 Fire hazard testing for electric and electronic products Part 2.General principles for fire hazard assessment
(IEC 60695-1-10.2016, IDT)
GB/T 5169.44-2022 Fire hazard testing for electric and electronic products Part 44.Guidelines for fire hazard assessment Fire hazard
Assessment (IEC 60695-1-11.2014, IDT)
GB/T 5226.1-2019 Electrical safety of machinery - Electrical equipment of machinery - Part 1.General technical requirements (IEC 60204-1.
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