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GB/T 25364.1-2021: Turbocharger seal rings - Part 1: General specifications
Status: Valid GB/T 25364.1: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 25364.1-2021 | English | 199 |
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Turbocharger seal rings - Part 1: General specifications
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GB/T 25364.1-2021
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| GB/T 25364.1-2010 | English | 279 |
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Turbocharger seal rings -- Part 1: General specifications
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GB/T 25364.1-2010
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PDF similar to GB/T 25364.1-2021
Basic data | Standard ID | GB/T 25364.1-2021 (GB/T25364.1-2021) | | Description (Translated English) | Turbocharger seal rings - Part 1: General specifications | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J91 | | Word Count Estimation | 9,967 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 25364.1-2021: Turbocharger seal rings - Part 1: General specifications---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Turbocharger seal rings -- Part 1: General specifications
ICS 27:020
CCSJ91
National Standards of People's Republic of China
Replacing GB/T 25364:1-2010
Turbocharger seal rings - Part 1: Specifications
Published on 2021-12-31
2022-07-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration
foreword
This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents"
drafted:
This document is part 1 of GB/T 25364 "Turbocharger Sealing Rings": GB/T 25364 has published the following parts:
--- Part 1: Technical conditions;
--- Part 2: Inspection methods:
This document replaces GB/T 25364:1-2010 "Turbocharger Sealing Rings - Part 1: Technical Conditions", and GB/T 25364:1-
Compared with:2010, except for structural adjustment and editorial changes, the main technical changes are as follows:
a) Modified normative references (see Chapter 2, Chapter 2 of the:2010 edition);
b) add a chapter on terms and definitions (see Chapter 3);
c) Delete ovality, flatness and warpage (see Table 1 and 5:8 of the:2010 edition);
d) The definitions of tangential spring force and radial spring force are deleted (see 5:3:1 and 5:3:2 of the:2010 edition);
e) The explanation of the codes in Table 1 in the main text is deleted (see 5:3:4 of the:2010 edition);
f) Deleted the "Status" column and its contents in Table 3 (see Table 3 of the:2010 edition);
g) Changed the requirements for surface defects (see 6:5, 5:5 of the:2010 edition);
h) Changed the requirements for cleanliness (see 6:7, 5:7 of the:2010 edition);
i) requirements for deflection are added (see 6:8);
j) Added appearance requirements (see 6:9);
k) Added the requirements for residual deformation (see 6:10);
l) Added requirements for inner packaging and outer packaging (see 7:1:1:1, 7:1:1:2);
m) Additional requirements for packaging, marking, storage and transport have been added (see 7:4):
Please note that some content of this document may be patented: The issuing agency of this document assumes no responsibility for identifying patents:
This document is proposed by China Machinery Industry Federation:
This document is under the jurisdiction of the National Technical Committee for Standardization of Internal Combustion Engines (SAC/TC177):
This document is drafted by: Shanghai Internal Combustion Engine Research Institute Co:, Ltd:, Pingxiang Debo Technology Co:, Ltd:, Ningbo Weifu Tianli Zeng
Press Technology Co:, Ltd:, Shanghai Automotive Group Co:, Ltd: Commercial Vehicle Technology Center, Hunan Tianyan Machinery Co:, Ltd:, Shanghai
Motor Vehicle Testing and Certification Technology Research Center Co:, Ltd:, Beijing Institute of Technology:
The main drafters of this document: Qiao Liangliang, Li Juntao, Bi Jinguang, Ji Weibin, Chen Yunqing, Dai Zhihui, Lin Chunlan, Jiang Huafeng, Zheng Jian, Huang Ruo:
This document was first published in:2010 and this is the first revision:
Introduction
GB/T 25364 "Turbocharger Sealing Ring" is a national standard that guides the design, inspection and use of turbocharger sealing ring products in my country:
It is intended to consist of 2 parts:
--- Part 1: Technical conditions: Terms, symbols, markings, technical requirements, packaging, markings, storage
storage and transportation:
--- Part 2: Inspection methods: Designed to establish a test method for turbocharger seal rings:
Turbocharger seal rings - Part 1: Specifications
1 Scope
This document specifies the seal ring code, marking, technical requirements, packaging, marking, storage and transportation of turbocharger seal rings:
This document applies to turbocharger seal rings (hereinafter referred to as "seal rings"), and mechanical seal rings for gas impellers can also be referred to:
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, dated citations
documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to
this document:
GB/T 1149:1 Internal Combustion Engine Piston Rings Part 1: General Rules
GB/T 1149:2 Internal Combustion Engine Piston Rings Part 2: Terminology
GB/T 1149:4 Internal Combustion Engine Piston Rings Part 4: Quality Requirements
GB/T 25364:2 Turbocharger sealing ring-Part 2: Inspection method
3 Terms and Definitions
The terms and definitions defined in GB/T 1149:1 and GB/T 1149:2 apply to this document:
4 Sealing ring code
See Table 1 for the code and description of the sealing ring:
Table 1 Code and description
Code Description Relevant Standards
a1 Radial thickness, in millimeters (mm) GB/T 1149:2
d1 Basic diameter (outer circle of sealing ring), in millimeters (mm) GB/T 1149:2
Ft Tangential elastic force, unit is Newton (N) GB/T 1149:5
Fd radial elastic force, unit is Newton (N) GB/T 1149:5
h1 Basic dimensions of the height of the sealing ring, in millimeters (mm) GB/T 1149:2
MM manufacturer's mark GB/T 1149:1
MXa material marking GB/T 1149:1
MUb other additional signs GB/T 1149:1
MZ requires a sign GB/T 1149:1 with a shape of "perfect circle"
m Free opening size, in millimeters (mm) GB/T 1149:2
Ra, Rz Surface roughness, in microns (μm) GB/T 1149:1
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