GB/T 9485-2023 English PDF

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GB/T 9485-2023: Radial turbochargers - Connection dimensions
Status: Valid

GB/T 9485: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 9485-2023	469	Add to Cart	4 days	Radial turbochargers - Connection dimensions	Valid
GB/T 9485-2003	439	Add to Cart	3 days	Radial turbochargers -- Connection dimensions	Obsolete
GB/T 9485-1988	479	Add to Cart	4 days	Radial turbocharger--Connection dimensions	Obsolete

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Basic data

Standard ID: GB/T 9485-2023 (GB/T9485-2023)
Description (Translated English): Radial turbochargers - Connection dimensions
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J91
Classification of International Standard: 27.020
Word Count Estimation: 23,215
Date of Issue: 2023-11-27
Date of Implementation: 2024-06-01
Older Standard (superseded by this standard): GB/T 9485-2003
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 9485-2023: Radial turbochargers - Connection dimensions

---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.
ICS 27:020 CCSJ91 National Standards of People's Republic of China Replace GB/T 9485-2003 Radial turbocharger connection dimensions Published on 2023-11-27 2024-06-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

Table of contents

PrefaceⅠ 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Technical requirements 1 4:1 Mutual position dimensions of superchargers 1 4:2 Gas inlet and outlet connection dimensions 4

Foreword

This document complies with the provisions of GB/T 1:1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting: This document replaces GB/T 9485-2003 "Radial Turbocharger Connection Dimensions": Compared with GB/T 9485-2003, except for the In addition to structural adjustments and editorial changes, the main technical changes are as follows: a) Changed the scope (see Chapter 1, Chapter 1 of the:2003 edition); b) The mutual position dimensional standards and requirements of some superchargers have been changed (see 4:1, 2:1 of the:2003 edition); c) Added relevant requirements for superchargers with compressor impeller outlet diameters of 40mm~60mm (see Table 1~Table 6); d) Changed the connection size of the supercharger gas inlet and outlet with a compressor impeller outlet diameter of 60mm~140mm (see Table 2~ Table 5, Table 2~Table 5 of the:2003 edition); e) The compressor inlet clamp connection and connection dimensions are added (see Figure 6 and Table 2); f) Added compressor outlet plug-in connection, clamp connection and connection dimensions (see Figure 11, Figure 12 and Table 3); g) The turbine inlet three-hole single inlet flange connection and connection dimensions are added (see Figure 18 and Table 4); h) The connection dimensions of the four-hole square single inlet and double inlet of the turbine inlet have been changed (see Figure 20, Figure 21 and Table 4,:2003 version Figure 14 and Table 4); i) The irregular-shaped flange connection and connection dimensions of the turbine outlet have been added (see Figure 34 and Table 6): Please note that some content in this document may be subject to patents: The publisher 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 Internal Combustion Engine Standardization Technical Committee (SAC/TC177): This document was drafted by: Hunan Tianyan Machinery Co:, Ltd:, Shanghai Motor Vehicle Inspection and Certification Technology Research Center Co:, Ltd:, FAW Jiefang Automobile Co:, Ltd: Wuxi Diesel Engine Factory, Taizhou Weidelong Machinery Co:, Ltd:, Linhai Yongheng Auto Parts Technology Co:, Ltd:, Zhejiang Julong Automation Equipment Co:, Ltd:, Datong Northern Tianli Booster Technology Co:, Ltd:, Weifang University of Science and Technology: The main drafters of this document: Hu Liaoping, Liu Huijun, Ji Weibin, Guo Hua, Wang Yijiang, Chen Weihua, Liu Lin, Cao Gang, Han Guoqiang, Dai Hua, Wang Guanghui, Chen Zhaoming, Li Yanzhao, Chen Cuiwen, Liu Jianyong, Zhu Aiguo: This document was first published in 1988, revised for the first time in:2003, and this is the second revision: Radial turbocharger connection dimensions

1 Scope

This document specifies the connection dimensions of radial flow turbochargers (hereinafter referred to as "superchargers"): This document is applicable to superchargers with a compressor impeller outlet diameter of 40mm~200mm, except for special-purpose superchargers:

2 Normative reference documents

This document has no normative references:

3 Terms and definitions

There are no terms or definitions to be defined in this document:

4 Technical requirements

4:1 Mutual position dimensions of superchargers The mutual position dimensions of the superchargers (as shown in Figure 1) should comply with the requirements of Table 1: a) Front view b) Side view Index symbol description: J ---The size from the outlet center of the compressor casing to the center of the rotor; K ---The size from the outlet end of the compressor casing to the center of the rotor; L --- Dimension from turbine shell inlet flange hole center to rotor center; H --- Dimension from turbine shell inlet flange surface to rotor center; R --- the size from the outlet center of the compressor casing to the center of the turbine casing inlet flange hole; S --- the size from the inlet end of the compressor casing to the center of the turbine casing inlet flange hole; T---dimension from the outlet end surface of the turbine shell to the center of the turbine shell inlet flange hole: The structure may be different from that shown in the figure, but the specified dimensions should be followed: Figure 1 Mutual position dimensions of superchargers ......

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