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GB/T 41647-2022: Heat- shrinkable polyolefin sleeving for medium voltage joint insulation
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 41647-2022 | English | 179 |
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Heat- shrinkable polyolefin sleeving for medium voltage joint insulation
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GB/T 41647-2022
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Standard similar to GB/T 41647-2022
Basic data | Standard ID | GB/T 41647-2022 (GB/T41647-2022) | | Description (Translated English) | Heat- shrinkable polyolefin sleeving for medium voltage joint insulation | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | k15 | | Word Count Estimation | 9,952 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 41647-2022: Heat- shrinkable polyolefin sleeving for medium voltage joint insulation---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 polyolefin sleeving for medium voltage joint insulation
ICS 29.035.20
CCSK15
National Standards of People's Republic of China
Polyolefin Hose for Heat Shrinkable Medium Pressure Fittings
insulation,MOD)
Published on 2022-07-11
2023-02-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration
directory
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Technical requirements 1
4.1 General requirements1
4.2 Performance 2
5 Test method 2
5.1 General 2
5.2 Appearance 3
5.3 Inner diameter, wall thickness, concentricity 3
5.4 Length variation 3
5.5 Thermal shock 3
5.6 Low temperature bendability 3
5.7 Tensile strength and elongation at break 3
5.8 Secant modulus at 2% elongation3
5.9 Electric strength 3
5.10 Volume resistivity 3
5.11 Thermal aging 3
6 Inspection rules 4
6.1 Factory inspection 4
6.2 Type inspection 4
7 Marking, packaging, transportation and storage 4
7.1 Flag 4
7.2 Packaging 4
7.3 Transport and storage 4
Table 1 Model Specifications 1
Table 2 Performance requirements 2
Table 3 Electrical Strength Requirements 2
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 60684-3-285.2014 "Insulated Hose Part 3.Specification for various types of hose Part 285.Thermal
Polyolefin Hose for Shrinking Medium Pressure Fittings".
Compared with IEC 60684-3-285.2014, this document has made the following structural adjustments.
--- Added the chapter "Terms and Definitions", and the subsequent chapter numbers are extended;
---4.2 corresponds to the performance requirements and electrical strength requirements in Chapter 5 and Table 1 and Table 2 of IEC 60684-3-285.2014;
---5.1 corresponds to the first and second paragraphs of Chapter 4 and Chapter 6 in IEC 60684-3-285.2014;
---5.2~5.11 correspond to the test methods of Table 1 and Table 2 in IEC 60684-3-285.2014, and the third to sixth paragraphs of Chapter 6.
The technical differences between this document and IEC 60684-3-285.2014 and their reasons are as follows.
--- Deleted the "naming" in international documents (see Chapter 3 of international documents), whose naming rules are not in line with my country's national conditions.
--- Regarding normative reference documents, this document has made adjustments with technical differences, and the adjustments are concentrated in Chapter 2 "Regulations".
In the normative reference document", the specific adjustments are as follows.
● Added reference to GB/T 2828.1-2012 (see 6.1), the standards used in the inspection rules, which meet the technical conditions of our country;
● Replace IEC 60684-2.2011 with GB/T 7113.2-2014 modified to adopt IEC 60684-2.2003 (see 5.3~
5.11), in line with the technical conditions of our country.
--- Added model specifications (see 4.1.1), appearance requirements (see 4.1.2), in line with the actual needs of production and sales in my country.
--- Increased inspection rules (see Chapter 6), in line with my country's technical conditions, easy to apply.
--- Increased marking, packaging, transportation and storage (see Chapter 7), in line with my country's technical conditions, easy to apply.
The following editorial changes have been made to this document.
--- In order to be consistent with the existing standard series, the standard name is changed to "Polyolefin Hose for Heat Shrinkable Medium Pressure Fittings".
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. Shenzhen Wall Nuclear Materials Co., Ltd., Shenzhen Hongshang Material Technology Co., Ltd., Guangzhou Kaihengke
Plastics Co., Ltd., Suzhou Yuanshunxiang New Materials Co., Ltd., Shenzhen Huipeng Gaoju Technology Co., Ltd., Huizhou Huizhou Tiancheng Polymer Materials
Co., Ltd., Qingdao Standard Testing Co., Ltd., Guilin Electrical Apparatus Research Institute Co., Ltd.
The main drafters of this document. Kang Shufeng, Zhao Chenggang, Zhai Yongai, Hu Hui, Wang Xifeng, Mai Jiaxing, Mao Xinyuan, Zhang Bo, Wan Zijin, Xia Chunliang,
Marlin Springs.
Polyolefin Hose for Heat Shrinkable Medium Pressure Fittings
1 Scope
This document specifies the technical requirements, test methods, inspection rules, and marking, packaging, and transportation of polyolefin hoses for heat-shrinkable medium-pressure joints
and storage.
This document applies to polyolefin hoses for heat shrinkable medium pressure fittings.
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 2828.1-2012 Counting Sampling Inspection Procedure Part 1.Lot-by-Lot Inspection Sampling Count Retrieved by Acceptance Quality Limit (AQL)
Plan (ISO 2859-1.1999, IDT)
GB/T 7113.2-2014 Insulated Hose Part 2.Test Methods (IEC 60684-2.2003, MOD)
3 Terms and Definitions
There are no terms and definitions that need to be defined in this document.
4 Technical requirements
4.1 General requirements
4.1.1 Model Specifications
The type and specification of polyolefin hoses for heat shrinkable medium pressure joints shall meet the requirements of Table 1.
On the premise of complying with 4.1.2 and 4.2, add other model specifications.
Table 1 Model Specifications
in millimeters
Model and specification
30/12 ≥30 ≤12 3.60±0.50
40/14 ≥38 ≤14 3.80±0.50
45/17 ≥45 ≤17 3.80±0.50
50/22 ≥50 ≤22 3.80±0.50
55/22 ≥55 ≤22 5.80±0.50
65/25 ≥65 ≤25 5.80±0.50
85/29 ≥85 ≤29 5.80±0.50
100/38 ≥100 ≤38 5.80±0.50
120/41 ≥120 ≤41 5.80±0.50
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