GB/T 33632-2025 in English
VALIDGeneral installation requirements for aero-derivative gas turbines assembly
- Issued on:2025-06-30
- Implemented on:2026-01-01
- File Format:PDF
- Delivery:Via email within 5 business days
$306.00
| Standard No: | GB/T 33632-2025 |
| Document status: | VALID |
| Title in English: | General installation requirements for aero-derivative gas turbines assembly |
| Title in Chinese: | 航空派生型燃气轮机成套设备安装通用技术要求 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 5 business days |
| Issued on: | 2025-06-30 |
| Implemented on: | 2026-01-01 |
| Superseding: |
GB/T 33632-2017 General installation requirements for aero-derivative gas turbine assembly
|
| ICS Classification: | 27.040-Gas and steam turbines, Steam engines |
| Chinese Classification: | K56-Gas turbine and its auxiliary equipment |
| Professional Classification: | GB-National Standard |
| Related Keywords: | general installation requirements
special requirements + general provisions10-chapter system offshore installationundefinednewly aero-derivative gas turbines standard revision revision items2017 edition2025 edition structural frameworkchapter |
《GB/T 33632-2025航空派生型燃气轮机成套设备安装通用技术要求》由TC259（全国燃气轮机标准化技术委员会）归口，主管部门为中国机械工业联合会。
Introduction
Core Changes of the Standard Revision
| Revision Items | 2017 Edition | 2025 Edition |
|---|---|---|
| Structural Framework | Chapter 7 + General Provisions | 10-Chapter System |
| Offshore Installation | Undefined | Newly Added 5.2.6/7.5/9.8 |
| Equipment Fixing | Anchor Bolt Chapter | Expanded to 7 Chapters |
| Electrical system | General requirements | Added marine environment specifications |
Analysis of key technical points
1. Foundation acceptance control
The allowable deviation of steel structure foundation is 3-4 times stricter than that of concrete foundation. Comparison of key indicators:
- Coordinate position: ±5mm (steel structure) vs. ±20mm (concrete)
- Elevation deviation: 0~-5mm vs. 0~-20mm
- Recess size: 0~+5mm vs. 0~+20mm
2. New regulations for equipment alignment
The standard clarifies the requirements for controlling the impact of ambient temperature for the first time (6.4.1):
- Avoid measurement under direct sunlight
- 24-hour stability retest system
- Combined axial/radial runout measurement method
Implementation recommendations
Special requirements for offshore platforms
| System | Anti-corrosion measures | Acceptance criteria |
|---|---|---|
| Electrical equipment | 316 stainless steel label | GB50168-2018 |
| Steel structure | Three-proof treatment | Salt spray test ≥500h |
| Pipeline flange | Special grounding column | Cross-sectional area ≥6mm² |
Prevention of Typical Problems
- Secondary Grouting: Non-expanding cement must be used, and the curing temperature should be >5°C
- Lubricating Oil System: Raw tape is prohibited, and oil circulation cleaning is required (8.6.4)
- Anchor Bolts: Q235 steel M56 bolts, tightening torque reaches 3000-3100 N·m
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