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GB/T 33627-2025: General requirement of aero-derivative gas turbine assembly enclosure
Status: Valid GB/T 33627: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 33627-2025 | English | 249 |
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General requirement of aero-derivative gas turbine assembly enclosure
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GB/T 33627-2025
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| GB/T 33627-2017 | English | 179 |
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General requirement of aero-derivative gas turbine assembly enclosure
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GB/T 33627-2017
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PDF similar to GB/T 33627-2025
Basic data | Standard ID | GB/T 33627-2025 (GB/T33627-2025) | | Description (Translated English) | General requirement of aero-derivative gas turbine assembly enclosure | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K56 | | Classification of International Standard | 27.040 | | Word Count Estimation | 12,195 | | Date of Issue | 2025-06-30 | | Date of Implementation | 2026-01-01 | | Older Standard (superseded by this standard) | GB/T 33627-2017 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 33627-2025: General requirement of aero-derivative gas turbine assembly enclosure---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/GBT33627-2025
ICS 27.040
CCSK56
National Standard of the People's Republic of China
Replaces GB/T 33627-2017
Aviation-derived gas turbine unit casing
General technical requirements
Released on June 30, 2025
Implementation on January 1, 2026
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 General Requirements 2
5 Unit box body composition 2
6 Structural Design 2
7 Noise Control 3
8 Firefighting and Fire Extinguishing 4
9 Ventilation systems, air conditioning, heating systems 4
10 Lighting and Grounding 5
11 Hoisting 5
Appendix A (Informative) Calculation of sound insulation (absorption) of the unit enclosure 6
Appendix B (Informative) Calculation of cooling air volume for ventilation 7
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 33627-2017 "General technical requirements for aviation-derived gas turbine unit casings" and GB/T 33627-
Compared with.2017, in addition to structural adjustments and editorial changes, the main technical changes are as follows.
a) Added terms and definitions (see Chapter 3);
b) The unit case structure design content has been modified (see Chapter 6, Chapter 5 of the.2017 edition);
c) Added the application requirements for marine environment unit enclosures (see 6.9 and 6.11);
d) The structures of the ventilation system, air conditioning system, and heating system have been changed (see Chapter 9, Chapters 8 and 9 of the.2017 edition);
e) The content of heating system has been changed (see 9.4, Chapter 9 of the.2017 edition).
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. AECC Gas Turbine (Zhuzhou) Co., Ltd., AECC Gas Turbine Co., Ltd., and ENN Energy Power Technology
(Shanghai) Co., Ltd., Offshore Oil Engineering Co., Ltd.
The main drafters of this document are. Sun Ting, Xu Hong, Tang Jincun, Zhang Hong, and Xin Shun.
This document was first published in.2017 and this is the first revision.
Aviation-derived gas turbine unit casing
General technical requirements
1 Scope
This document specifies the composition, structural design, noise control, and design of the aviation-derived gas turbine box body (hereinafter referred to as the "box body").
General technical requirements for fire control, fire fighting and fire extinguishing, ventilation systems, etc.
This document applies to aircraft-derived gas turbine packaged for power generation.
Used for body reference.
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 146.1 Standard gauge railway gauges Part 1.Rolling stock gauges
GB 146.2 Standard gauge railway limits Part 2.Construction limits
GB 2894 Safety signs and their use guidelines
GB 3096 Acoustic Environment Quality Standard
GB/T 10491 Noise levels and measurement methods for complete sets of aviation-derived gas turbines
GB 12348 Industrial Enterprise Boundary Ambient Noise Emission Standard
GB/T 13673 General technical requirements for auxiliary equipment of aviation-derived gas turbines
GB/T 15135 Gas Turbine Vocabulary
GB/T 17888 (all parts) Safety of machinery - Fixed devices for access to machinery
GB 50009 Code for Loads on Building Structures
GB/T 50011 Standard for seismic design of buildings
GB/T 50034 Architectural Lighting Design Standard
GB 50058 Code for Design of Electrical Installations for Explosive Atmospheres
GB 50116 Design Specification for Automatic Fire Alarm Systems
GB/T 50193 Design specification for carbon dioxide fire extinguishing systems
3 Terms and Definitions
The terms and definitions defined in GB/T 15135 and the following apply to this document.
3.1
Boxed body enclosure
Used to protect personnel and equipment from environmental impact and/or not to affect the environment, including fire protection and noise reduction
barrier.
[Source. GB/T 15135-2018, 4.29, with modifications]
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