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GB/T 3766-2015 PDF English

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GB/T 3766-2015: Hydraulic fluid power -- General rules and safety requirements for systems and their components
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GB/T 3766: Historical versions

Standard IDUSDBUY PDFDeliveryStandard Title (Description)Status
GB/T 3766-2015175 Add to Cart Auto, 9 seconds. Hydraulic fluid power -- General rules and safety requirements for systems and their components Valid
GB/T 3766-2001RFQ ASK 6 days Hydraulic fluid power -- General rules relating to systems Obsolete
GB/T 3766-1983279 Add to Cart 3 days Hydraulic fluid power--General rules for the application of equipment to transmission and control systems Obsolete

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GB/T 3766-2015: Hydraulic fluid power -- General rules and safety requirements for systems and their components


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GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 23.100.01 J 20 Replacing GB/T 3766-2001 Hydraulic fluid power - General rules and safety requirements for systems and their components (ISO 4413.2010, MOD) Issued on. DECEMBER 31, 2015 Implemented on. JULY 1, 2016 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the PRC; Standardization Administration of the PRC.

Table of Contents

Foreword... 3 Introduction... 7 1 Scope... 8 2 Normative references... 8 3 Terms and definitions... 10 4 List of significant hazards... 10 5 General rules and safety requirements... 11 5.1 General... 11 5.2 Basic requirements for the design and technical specification of hydraulic systems ... 11 5.3 Additional requirements... 13 5.4 Specific requirements for components and controls... 16 6 Verification of safety requirements and acceptance testing... 41 7 Information for use... 42 7.1 General requirements... 42 7.2 Final information for hydraulic systems on stationary industrial machinery... 42 7.3 Maintenance and operating data... 42 7.4 Marking and identification... 45 8 Identification statement... 47 Appendix A (Informative) List of significant hazards... 48 Appendix B (Informative) Form for collecting hydraulic system and component data... 51 Bibliography... 60

Foreword

This Standard is drafted in accordance with the rules given in GB/T 1.1-2009. This Standard replaces GB/T 3766-2001 “Hydraulic Fluid Power - General Rules Relating to Systems”. As compared with GB/T 3766-2001, the main technical changes are as follows. - ADD reference standards GB/T 2878.1, GB/T 2878.2, GB/T 14048.14, GB/T 15706, GB 16754, GB/T 19671, GB/T 25133, ISO 1219-2, ISO 6149- 3, ISO 16874, ISO 17165-1 (SEE Clause 2); - DELETE reference standards GB/T 2514, GB/T 2877, GB 4208, GB/T 5226.1, GB/T 8098, GB/T 8010, GB/T 8101, JB/T 5244, JB/T 5963, ISO 4400, ISO 6149-1, ISO 6952, ISO 7790, ISO 8434-1, ISO 8434-2, ISO 8434-3, ISO 8434-4, ISO/TR 11688-1, ISO 12151-1, ISO 12151-2, ISO 12151-3, ISO 12151-4, ISO 12151-5 (SEE Clause 2 of the 2001 version); - ADD the content which shall be considered for valve selection and the requirements for “isolation valve” (SEE 5.4.4.1); - ADJUST some of the requirements for valve mounting (SEE 5.4.4.2); - ADD requirements for identification of “manifold” (SEE 5.4.4.3.5); - ADD the requirements for “level of contamination of hydraulic fluid” (SEE 5.4.5.1.3); - ADD the requirement of providing a “pan” for reservoir design (SEE 5.4.5.2.1); - ADD the requirement for the “structural integrity” of reservoirs (SEE 5.4.5.2.2.6); - ADD the “corrosion protection” requirement for reservoirs (SEE 5.4.5.2.2.7); - ADD “grounding” requirements for reservoirs (SEE 5.4.5.2.2.8); - ADD the requirement of “electromagnetic interference protection” for controls (SEE 5.4.7.6.1); - ADD the “contamination control” requirement for “diagnostics and monitoring” (SEE 5.4.8.5); - ADD the connection identification requirement for conductors (SEE 7.4.3.2). This Standard uses redraft law to modify and adopt ISO 4413.2010 “Hydraulic fluid power - General rules and safety requirements for systems and their components” (English version). The technical differences between this Standard and ISO 4413.2010 and their reasons are as follows. - About normative references, this Standard has made adjustments with technical differences, to adapt to the technical conditions of China. The adjustments are reflected in Clause 2 “Normative references”, as follows.  REPLACE ISO 1219-1 with GB/T 786.1 identical to the international standard (SEE 7.4.1.1);  REPLACE ISO 6149-1 with GB/T 2878.1 identical to the international standard (SEE 5.3.2.5.2);  REPLACE ISO 6149-2 with GB/T 2878.2 which uses the international standard by modification (SEE 5.3.2.5.2);  REPLACE ISO 4406 with GB/T 14039 which uses the international standard by modification (SEE 5.4.5.1.3, 7.3.1.1);  REPLACE IEC 60947-5-5 with GB/T 14048.14 identical to the international standard (SEE 5.4.7.7.2);  REPLACE ISO 12100 with GB/T 15706 identical to the international standard (SEE Clause 1, Clause 3, 5.1.1, 7.1, Table A.1);  REPLACE ISO 13850 with GB/T 16754 identical to the international standard (SEE 5.4.7.7.2);  REPLACE ISO 5598 with GB/T 17446 identical to the international standard (SEE Clause 3);  REPLACE ISO 4021 with GB/T 17489 identical to the international standard (SEE 5.4.8.3);  REPLACE ISO 13851 with GB/T 19671 which uses the international standard by modification (SEE 5.4.7.3.6);  REPLACE ISO 23309 with GB/T 25133 identical to the international standard (SEE 5.4.7.4.4); - 5.4.1.7, ADD e), to cover more products for application; - 5.4.2.1, DELETE ISO/TS 13725.This document has been abolished; - b) of 5.4.5.1.2, CHANGE “fire-resistant hydraulic fluid” to “hydraulic fluid”; - g) of 5.4.5.2.1, ADD a narrative, to make the requirements more comprehensive; - g) of 5.4.5.2.2.4, ADD a narrative, to reflect the actual application requirements; - O) of 7.3.1.1, ADD “SEE 5.4.3”. This Standard also makes the following editorial changes. - 5.2.7f), after “energy isolation”, ADD “(e.g., disconnection of power, hydraulic sources)”, for easy understanding; - REORGANIZE the sub-clauses of 5.3.2, to make them consistent with the heading narrative order; SIMPLIFY the “Notes” of 5.3.2.3.2; - MODIFY the “Notes” of 5.4.2.12; - DELETE the statement “expressed in accordance with ISO 4406” in 5.4.5.3.1; - ADD 5.4.6.5.3.3, to incorporate and supplement the same statements in 5.4.6.5.3.1 and 5.4.6.5.3.2; - In Appendix B, some units are changed to the expression forms commonly used in this profession. This Standard was proposed by China Machinery Industry Federation. This Standard shall be under the jurisdiction of National Technical Committee 3 on Hydropneumatic of Standardization Administration of China (SAC/TC 3). Drafting organizations of this Standard. Beijing Research Institute of Automation for Machinery Industry Co., Ltd., Haimen Youweili Hydraulic Industry Co., Ltd., Hefei Changyuan Hydraulic Co., Ltd., Beijing Huade Hydraulic Industrial Group Co., Ltd., Hydraulic Research Institute of Guangzhou Mechanical Engineering Research Institute, AVIC Liyuan Hydraulic Co., Ltd., Ningbo Widesky SKS Hydraulic Co., Ltd., Yangzhou Jiangdu Yongjian Co., Ltd., Jiujiang Division of No.707 Research Institute of China Shipbuilding Industry Corporation, Sichuan Changjiang Hydraulic Component Co., Ltd., Shenyang Northeast Electric Power Control Co., Ltd., CCHC Hydraulics Co., Ltd., Taizhong Yuci Hydraulic System Branch, Bosch Rexroth (Changzhou) Co., Ltd.. Main drafters of this Standard. Liu Xinde, Lin Guang, Xu Qijun, Zhao Jingbo, Lin Benhong, Zhang Chen, Liang Yong, Guo Lian, Zhu Aihua, Wang Dehua, Zheng Xueming, Huan Qingxiang, Cui Yonghong, Zhou Weidong. The previous versions of the standard replaced by this Standard were released as follows. - GB/T 3766-1983, GB/T 3766-2001.

1 Scope

This Standard specifies general rules and safety requirements for hydraulic systems and their components used on machinery as defined by 3.1 in GB/T 15706-2012.This Standard deals with all significant hazards associated with hydraulic systems and specifies the principles to avoid those hazards when the systems are put to their intended use.

2 Normative references

The following documents are indispensable for the application of this document. For the dated references, only the versions with the dates indicated are applicable to this document. For the undated references, the latest version (including all the amendments) are applicable to this document.

3 Terms and definitions

The terms and definitions given in GB/T 17446 and GB/T 15706-2012 and the following apply to this document.

4 List of significant hazards

Table A.1 lists the significant hazards associated with the use of hydraulic fluid power in a machine.

5 General rules and safety requirements

If leakage (internal or external) occurs, it shall not cause a hazard. All components, assemblies or piping having a mass greater than 15 kg shall have provision(s) for lifting by means of lifting devices.

6 Verification of safety requirements and acceptance testing

The hydraulic system shall be subjected to a combination of inspection and testing to verify that

7 Information for use

For service or replacement of components in safety-related parts of control systems, information shall be provided relating to service life and mission time. If the wrong direction of rotation can cause a hazard, the correct direction of rotation of the pump and motor shall be clearly and distinctly identified.

8 Identification statement

It is recommended to manufacturers who have chosen to conform to this Standard that the following statement be used in test reports, catalogues and sales literature. “Hydraulic systems and their components are in accordance with GB/T 3766-2015, Hydraulic fluid power - General rules and safety requirements for systems and their components”. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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