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GB/T 33154-2025: Rubber seals for yaw and pitch bearings of wind turbine generator
Status: Valid GB/T 33154: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 33154-2025 | English | 359 |
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Rubber seals for yaw and pitch bearings of wind turbine generator
| Valid |
GB/T 33154-2025
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| GB/T 33154-2016 | English | 199 |
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Rubber seals of slewing bearing used in the wind power industry
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GB/T 33154-2016
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Standard similar to GB/T 33154-2025 GB/T 51033 GB/T 50082 GB/T 33154 Basic data | Standard ID | GB/T 33154-2025 (GB/T33154-2025) | | Description (Translated English) | Rubber seals for yaw and pitch bearings of wind turbine generator | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G43 | | Classification of International Standard | 83.140.50 | | Word Count Estimation | 18,116 | | Date of Issue | 2025-08-01 | | Date of Implementation | 2026-02-01 | | Older Standard (superseded by this standard) | GB/T 33154-2016 | | Issuing agency(ies) | State Administration for Market Regulation, Standardization Administration of China | GB/T 33154-2025: Rubber seals for yaw and pitch bearings of wind turbine generator---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/GBT33154-2025
ICS 83.140.50
CCSG43
National Standard of the People's Republic of China
Replaces GB/T 33154-2016
Wind turbine yaw bearings and pitch bearings
rubber seals
Released on August 1, 2025
Implementation on February 1, 2026
State Administration for Market Regulation
The National Standardization Administration issued
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 33154-2016 “Rubber sealing ring for wind turbine slewing bearing”.
In addition to structural adjustments and editorial changes, the main technical changes are as follows.
a) The scope has been changed (see Chapter 1, Chapter 1 of the.2016 edition);
b) Added a chapter on “Terms and Definitions” (see Chapter 3);
c) Added a schematic diagram of the multi-lip seal structure (see 4.1);
d) Added requirements for seal ring size, length and tolerance, as well as multi-lip seal ring cross-section size and tolerance (see 4.3,.2016 edition)
3.5.2, 3.5.3);
e) Changed the test conditions for UV aging resistance and compression set in the material performance requirements (see 4.4.2,.2016 edition)
3.2.2);
f) The elongation at break and hot air aging indicators in the material performance requirements have been changed (see 4.4.2, 3.2.2 of the.2016 edition);
g) Added finished product performance requirements (see 4.5, 3.3 of the.2016 edition);
h) Added a chapter on "Test methods" (see Chapter 5);
i) Added the sealing ring length inspection method (see 5.2.1);
j) The provisions on batching and sampling in the inspection rules have been modified (see 6.2, 4.1 of the.2016 edition);
k) Added sampling rules for product length inspection (see 6.2.2.3);
l) Added sealing ring performance test method (see Appendix A).
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 Petroleum and Chemical Industry Federation.
This document is under the jurisdiction of the National Technical Committee on Rubber and Rubber Products of Standardization (SAC/TC35).
This document was drafted by. Tieling Five Star Sealing Research Institute Co., Ltd., Chengdu Tianma Precision Machinery Co., Ltd., Nanjing Leader Oriental Rubber and Plastics
Technology Co., Ltd., Wafangdian Bearing Group Wind Power Bearing Co., Ltd., Mingyang Smart Energy Group Co., Ltd., Anhui Zhongding Seals
Co., Ltd., Jiangyin Haida Rubber & Plastic Co., Ltd., Chengdu Shengbang Sealing Co., Ltd., Ma'anshan Hongli Rubber Products Co., Ltd.
Company, Sichuan Daohong New Materials Co., Ltd., Ma'anshan Jingwei Slewing Bearing Co., Ltd., CRRC Shandong Wind Power Co., Ltd., Liaoning
Tieling Rubber Industry Research and Design Institute, Hunan Rubber and Plastic Sealing Components Factory Co., Ltd., Sichuan Jiashite Rubber Co., Ltd., Hebei Huageng Technology Co., Ltd.
Co., Ltd., Hebei Huami New Materials Technology Co., Ltd., Yancheng Quality and Technical Supervision Comprehensive Inspection and Testing Center, Shanghai Jieying Sealing Technology
Ltd.
The main drafters of this document are. Hu Qingzhi, Yao Yuchen, Wu Weiming, Wang Liangyan, Zhang Lina, Zeng Junlin, Ke Yuchao, Ningxia, Wang Lin, Huang Lianggen,
Zhou Wugang, Fan Zhaofang, Wang Jingli, Qian Aidong, Chang Shengchang, Yan Lin, Li Yang, Wang Weiding, Yao Chenyang, Ni Liwei, Wen Fengchun, Li Xueguang, Zhao Ming,
Cao Qi, Tian Youfeng, Cheng Kai, Cheng Shizhi, Chang Qinhui, Xie Aidi, Yin Jilei, Zhao Hang, Zheng Jun, Rao Wen, Yue Qing, Zhang Fang, Li Wei, Chen Liyun,
Yang Liguo.
This document was first published in.2016 and this is the first revision.
Wind turbine yaw bearings and pitch bearings
rubber seals
1 Scope
This document specifies the technical requirements, inspection rules, and labeling, packaging, and
Transportation, storage and installation, and describes the corresponding test methods.
This document applies to the production, inspection and acceptance of rubber seals for yaw bearings and pitch bearings of wind turbines (hereinafter referred to as seals).
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 528 Determination of tensile stress-strain properties of vulcanized rubber or thermoplastic rubber
GB/T 529 Rubber, vulcanized or thermoplastic — Determination of tear strength (trouser-shaped, right-angled and crescent-shaped test specimens)
GB/T 531.1 Rubber, vulcanized or thermoplastic, test method for indentation hardness Part 1.Shore hardness method
GB/T 1682 Determination of low-temperature brittleness of vulcanized rubber - Single specimen method
GB/T 1689 Determination of wear resistance of vulcanized rubber (using Akron abrasion tester)
GB/T 1690 Test method for resistance of vulcanized rubber or thermoplastic rubber to liquids
GB/T 2828.1 Sampling procedures for inspection by attributes Part 1.Sampling plans for batch inspection based on acceptance quality limit (AQL)
GB/T 2941 Rubber physical test methods - General procedures for specimen preparation and conditioning
GB/T 3512 Vulcanized rubber or thermoplastic rubber - Hot air accelerated aging and heat resistance tests
GB/T 4199 Definition of rolling bearing tolerances
GB/T 6930 Rolling bearing vocabulary
GB/T 7759.1 Vulcanized rubber or thermoplastic rubber - Determination of compression set - Part 1.At room temperature and elevated temperature
GB/T 7762 Static tensile test for resistance to ozone cracking of vulcanized rubber or thermoplastic rubber
GB/T 10125 Artificial atmosphere corrosion test Salt spray test
GB/T 13279 General purpose fixed reciprocating piston air compressors
GB/T 16585 Test method for artificial weathering of vulcanized rubber (fluorescent ultraviolet lamp)
GB/T 29717 Rolling bearings for yaw and pitch bearings of wind turbines
JB/T 12935 Torque Sensor
JB/T 13316 Electric lubrication pump device
3 Terms and Definitions
The terms and definitions defined in GB/T 4199, GB/T 6930 and the following apply to this document.
3.1
Yaw bearing
A bearing used to connect the nacelle and the tower, tracking wind direction and adjusting the windward side.
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