GB/T 41719-2022 English PDF

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GB/T 41719-2022: Heat-shrinkable sleeving for oil barrier applications
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 41719-2022	189	Add to Cart	3 days	Heat-shrinkable sleeving for oil barrier applications	Valid

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Basic data

Standard ID: GB/T 41719-2022 (GB/T41719-2022)
Description (Translated English): Heat-shrinkable sleeving for oil barrier applications
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K15
Classification of International Standard: 29.035.20
Word Count Estimation: 10,148
Date of Issue: 2022-10-14
Date of Implementation: 2023-05-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 41719-2022: Heat-shrinkable sleeving for oil barrier applications

---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.
Heat-shrinkable sleeving for oil barrier applications ICS 29.035.20 CCSK15 National Standards of People's Republic of China Heat Shrink Oil Traps Published on 2022-10-12 2023-05-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Technical requirements 1 5 Test method 3 5.1 Test conditions 3 5.2 Inner diameter, wall thickness and concentricity 3 5.3 Length variation 3 5.4 Low temperature bendability 3 5.5 Thermal Shock 4 5.6 Tensile strength and elongation at break 4 5.7 Secant modulus at 2% elongation4 5.8 Breakdown Voltage 4 5.9 Volume resistivity 4 5.10 Resistant to fluid 4 5.11 Thermal aging 4 6 Inspection rules 4 6.1 Inspection classification 4 6.2 Inspection item 4 6.3 Batching Rules and Sampling Plan 6 6.4 Decision Rule 6 7 Marking, packaging, transportation and storage 6 7.1 Flag 6 7.2 Packaging 6 7.3 Transport and storage 6 Appendix A (Informative) Inner Diameter and Wall Thickness 7 Table 1 Performance requirements of type A heat shrinkable oil trap 1 Table 2 Performance requirements for type B heat-shrinkable grease trap 2 Table 3 Breakdown Voltage Requirements3 Table 4 Selection of Fluid 3 Table 5 Factory inspection requirements5 Table 6 Type Inspection Requirements 5 Table A.1 Inner Diameter and Wall Thickness of Type A Heat Shrinkable Oil Separator 7 Table A.2 Inner Diameter and Wall Thickness of Type B Heat Shrinkable Oil Separator 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 of Standardization Documents" drafted. This document is revised and adopted IEC 60684-3-284.2014 "Insulated Hose Part 3.Specification for various types of hose Part 284.Thermal Shrink Oil Traps". Compared with IEC 60684-3-284.2014, this document has the following structural adjustments. --- Added "Terms and Definitions" chapter; --- Chapter 4 corresponds to part of Chapter 1, Chapter 5 and Tables 1 to 4 in IEC 60684-3-284.2014, where the first paragraph is Should IEC 60684-3-284.2014 in Chapter 1 of the third paragraph ~ sixth paragraph and Chapter 5; --- Chapter 5 corresponds to Chapter 4 in IEC 60684-3-284.2014 and the test methods of column 2 and the preparation of column 6 in Table 1 and Table 2. Note, 5.1 corresponds to Chapter 4 in IEC 60684-3-284.2014, and 5.2~5.11 corresponds to IEC 60684-3-284.2014 Test methods in column 2 and remarks in column 6 in Table 1 and Table 2; ---6.4 corresponds to Chapter 6 in IEC 60684-3-284.2014. The technical differences between this document and IEC 60684-3-284.2014 and their reasons are as follows. --- Deleted the "naming" chapter of IEC 60684-3-284.2014 (see IEC 60684-3-284.2014 Chapter 3), using the domestic name Name method, in line with my country's national conditions; --- Deleted the long-term thermal aging of performance requirements in IEC 60684-3-284.2014 (see IEC 60684-3-284.2014 Table 1, Table 2), in line with my country's national conditions; --- Replace IEC 60296 with the revised standard GB 2536-2011 (see Table 4) to meet the technical conditions of our country; --- Replace IEC 60055-2 with the non-equivalent standard GB/T 12976.2-2008 (see Table 4) to meet the technical conditions of our country; --- Replacing IEC 60684-2.2011 with GB/T 7113.2-2014 (see 5.2~5.11), which is the standard adopted, in order to comply with our country's technology condition; --- Added a chapter on inspection rules (see Chapter 6) to meet the technical conditions of our country and facilitate application; --- Added reference to GB/T 2828.1-2012 (see 6.1), the standards used in the inspection rules, in order to meet the technical conditions of our country; --- Added a chapter on marking, packaging, transportation and storage (see Chapter 7) to meet the technical conditions of our country and facilitate application. The following editorial changes have been made to this document. --- In order to coordinate with my country's technical standard system, the standard name is changed to "Heat Shrinkable Oil Separator"; --- In accordance with the requirements of GB/T 1.1-2020, the preparation of Chapter 1 is standardized; --- Replaced the unit "K" with the unit "°C"; --- Removed references. 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 Electrical Equipment Industry Association. This document is under the jurisdiction of the National Technical Committee for Standardization of Insulating Materials (SAC/TC51). This document is drafted by. Changyuan Electronics (Dongguan) Co., Ltd., Shenzhen Wall Nuclear Materials Co., Ltd., Guangzhou Kaiheng Kesu Co., Ltd. Company, Shenzhen Hongshang Material Technology Co., Ltd., Stand Testing Group Co., Ltd., Shenzhen Wall Heat Shrink Co., Ltd., Wenzhou Hongte Heat Shrinkable New Material Technology Co., Ltd., Guilin Saimeng Testing Technology Co., Ltd. The main drafters of this document. Xie Shiping, Xing Fufa, Hu Hui, Zhai Yongai, Zhang Bo, Bo Qianglong, Li Ketao, Wang Hongxue, Wang Yuyuan, Zhong Xiaoguang, Marlin Springs. Heat Shrink Oil Traps

1 Scope

This document specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of heat shrinkable grease traps. This document applies to heat shrinkable grease traps with a maximum temperature of 80°C.

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 2536-2011 Unused mineral insulating oils for electrical fluid transformers and switches (IEC 60296.2003, MOD) GB/T 2828.1-2012 Counting Sampling Inspection Procedures Part 1.Lot-by-Lot Inspection Sampling Retrieved by Acceptance Quality Limit (AQL) Plan (ISO 2859-1.1999, IDT) GB/T 7113.1-2014 Insulated hoses - Part 1.Definitions and general requirements (IEC 60684-1.2003, MOD) Note. There is no technical difference between the quoted content of GB/T 7113.1-2014 and IEC 60684-1.2003. GB/T 7113.2-2014 Insulated Hose Part 2.Test Methods (IEC 60684-2.2003, MOD) GB/T 12976.2-2008 Paper-insulated power cables and accessories with rated voltage of 35kV (Um=40.5kV) and below, Part 2 Points. General regulations and structural requirements for cables with rated voltage of 35kV (IEC 60055-2.1981, NEQ)

3 Terms and Definitions

There are no terms and definitions that need to be defined in this document.

4 Technical requirements

The heat-shrinkable oil separator is divided into two types. A type and B type. The material of the A-type heat-shrinkable oil separator is polyolefin, and the B-type heat-shrinkable oil separator The material is fluoropolymer. In addition to the general requirements specified in GB/T 7113.1-2014, the heat shrinkable oil separator shall also meet the For the requirements of Tables 1 to 4, see Appendix A for the inner diameter and wall thickness of the heat-shrinkable oil separator, if there is no specific requirement for the color, it is translucent. Table 1 Performance requirements of type A heat shrinkable oil trap Serial Number Performance Unit Maximum or Minimum Requirements

1 size

the inside diameter of wall thickness Concentricity after expansion concentricity after full contraction mm mm minimum minimum Negotiation between supply and demand Negotiation between supply and demand 2 Length change % minimum maximum value -10 ......

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