GB/T 44052-2024 English PDF

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GB/T 44052-2024: Hydraulic fluid power - Filters - Marking of performance characteristics
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Basic data

Standard ID: GB/T 44052-2024 (GB/T44052-2024)
Description (Translated English): Hydraulic fluid power - Filters - Marking of performance characteristics
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J20
Classification of International Standard: 23.100.60
Word Count Estimation: 14,189
Date of Issue: 2024-05-28
Date of Implementation: 2024-05-28
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 44052-2024: Hydraulic fluid power - Filters - Marking of performance characteristics

---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 23:100:60 CCSJ20 National Standards of People's Republic of China Identification of performance characteristics of hydraulic transmission filters (ISO 27407:2010, Hydraulic fluid power - Marking of performance Released on 2024-05-28 2024-05-28 Implementation State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface III Introduction IV 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Symbols, abbreviations and units 1 5 Filter feature information 2 6 Overall layout of filter identification symbols 3 7 Identification of filter characteristics 3 8 Spin-on filter installation mark 5 9 Notes 6 Appendix A (Informative) Examples of hydraulic filter performance characteristics identification 7

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 for standardization documents" Drafting: This document is equivalent to ISO 27407:2010 "Identification of performance characteristics of hydraulic filters for hydraulic transmissions": The following minimal editorial changes were made to this document: --- Changed the standard name to coordinate with the existing standards; --- Deleted the pressure unit bar and the corresponding Pressure value: 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 Hydraulic and Pneumatic Standardization Technical Committee (SAC/TC3): This document was drafted by: Liming Hydraulics Co:, Ltd:, Xinxiang Pingfei Hydraulics Co:, Ltd:, Zhejiang Zhenhang Industrial Group Co:, Ltd:, Jiujiang Qisuo Precision Electromechanical Technology Co:, Ltd:, Xinxiang Wanhe Filtration Technology Co:, Ltd:, Aviation Industry (Xinxiang) Measurement Technology Co:, Ltd:, Shaanxi Heyang Pneumatic Tools Co:, Ltd: and Haifutech Hydraulic Technology (Shanghai) Co:, Ltd: The main drafters of this document are: Zheng Yuan, Lü Jizhong, Zhou Naixi, Liu Guojun, Liu Yong, Chang Cheng, Lü Hongnan, Li Kaifang, Wang Shexu, Qiao Wenhai:

Introduction

In a hydraulic system, power is transmitted and controlled by means of pressurized fluid in a closed circuit: Filtering removes insoluble contaminants to protect the system: Marking the performance characteristics on the filter helps users identify and compare filters, making it easier to Easy to choose the right filter for your application: Identification of performance characteristics of hydraulic transmission filters

1 Scope

This document describes a method for identifying filter performance characteristics so that they can be presented to users: It can be used in coordination with the standards cited in this document, and can also be used in coordination with other standards related to the cited standards: This document applies to information marking on filters: Manufacturers can also mark on product drawings or product packaging according to user requirements: Same information:

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: ISO 1219-1 Fluid power systems and components Graphical symbols and circuit diagrams Part 1: Graphical symbols for general purposes and data processing applications Note: GB/T 786:1-2021 Fluid power systems and components - Graphical symbols and circuit diagrams - Part 1: Graphical symbols (ISO 1219-1:2012, IDT) Note: GB/T 14041:3-2010 Hydraulic filter element Part 3: Test method for crush (rupture) resistance (ISO 2941:2009, IDT) Note: GB/T 17486-2006 Evaluation of pressure drop and flow characteristics of hydraulic filters (ISO 3968:2001, IDT) Note: GB/T 17446-2024 Fluid power systems and components vocabulary (ISO 5598:2020, MOD) Note: GB/T 18853-2015 Hydraulic transmission filters - Multiple pass method for evaluating filter element filtration performance (ISO 16889:2008, MOD) ANSI/(NFPA) T3:10:17-1995(R2004) Limited Life Hydraulic Filter Pressure/Life Ratings Spin-On Hydraulic Filters

3 Terms and definitions

For the purposes of this document, the terms and definitions given in ISO 5598 apply: 4 Symbols, abbreviations and units Table 1 lists the characteristics, relevant symbols and definitions of abbreviations used in Chapters 6, 7 and the legends: SI units should be used: ......

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