GB/T 20041.21-2017 English PDFUS$359.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 20041.21-2017: Conduit systems for cable management -- Part 21: Particular requirement for rigid conduit systems Status: Valid GB/T 20041.21: Historical versions
Basic dataStandard ID: GB/T 20041.21-2017 (GB/T20041.21-2017)Description (Translated English): Conduit systems for cable management -- Part 21: Particular requirement for rigid conduit systems Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: K65 Classification of International Standard: 29.120.10 Word Count Estimation: 18,184 Date of Issue: 2017-07-31 Date of Implementation: 2018-02-01 Older Standard (superseded by this standard): GB 20041.21-2008 Quoted Standard: GB/T 192; GB/T 196; GB/T 4208; GB/T 17194; GB/T 20041.1-2015 Adopted Standard: IEC 61386-21-2002, MOD Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China Summary: This standard specifies the rigid catheter system signs and documents, size, structure, mechanical properties, electrical performance, thermal performance and other technical requirements. This standard applies to rigid duct systems. GB/T 20041.21-2017: Conduit systems for cable management -- Part 21: Particular requirement for rigid conduit systems---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. Conduit systems for cable management. Part 21. Particular requirement for rigid conduit systems ICS 29.120.10 K65 National Standards of People's Republic of China Replacing GB .20041.21-2008 Cable management catheter system Part 21. Particular requirements for rigid catheter systems Part 21.Particularrequirementforrigidconduitsystems (IEC 61386-21.2002, Conduitsystemsforcablemanagement- Part 21.Particularrequirements-Rigidconduitsystems, MOD) 2017-07-31 Posted 2018-02-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 General requirements5 test the general conditions 1 6 Categories 1 7 signs and documents 2 8 size 2 9 structure 4 10 mechanical properties 5 11 Electrical performance 6 12 thermal performance 6 13 flame effect 7 External influences 7 Electromagnetic compatibility 7 Appendix A (Normative) Catheter classification code 12 Appendix B (Normative) Determination of material thickness 13 Appendix C (Normative) Routine test 14 Figure 101 Catheter smallest gauge 7 Figure 102 Gauge of the minimum internal diameter of the catheter after impact, bending, bending and heat resistance tests Figure 103 Bending test apparatus for metal and composite tubes 9 Figure 104 Non-metallic and composite catheter bending test device 10 Figure 105 Destructive test layout 11 Table 1 Thread length 2 Table 2 Maximum entry diameter and minimum entry length Description 3 Table 3 can not be formed thread metal pipe diameter and wall thickness 3 Table 4 can be formed thread metal pipe diameter and wall thickness 3 Table 5 metal catheter minimum outer diameter gauge size 3 Table 6 metal pipe after bending the minimum inner diameter size 4ForewordGB/T 20041 "Cable Management Catheter System" is divided into the following sections. --- Part 1. General requirements --- Part 2. Special requirements ● Part 21. Particular requirements for rigid ductwork ● Part 22. Particular requirements for flexible catheter systems ● Part 23. Particular requirements for flexible ductwork ● Part 24. Particular requirements for buried duct systems ● Part 25. Particular requirements for catheter anchorages This section GB/T 20041 Part 21. This section drafted in accordance with GB/T 1.1-2009 given rules. This Part replaces GB .20041.21-2008 "Catheter Management Cable System Part 21. Rigid Catheter System Specific Requirements", Compared with GB .20041.21-2008, the main technical changes are as follows. --- Increasing the normative references (see Chapter 2); --- Increase the routine test project requirements (see 5.101); --- Increased the number of the requirements of this part of the standard (see 7.1.101); --- Increased the requirements of metal conduit thread (see 8.1); --- Increased the size of the metal catheter requirements (see 8.101,8.102,8.103,8.104,8.105,8.106); --- Increased the structural requirements of metal catheters (see 9.101,9.102,9.103,9.104,9.105,9.106,9.107,9.108); --- Increased the protection level of metal ducts and corrosion resistance requirements (see Chapter 14); --- Added Figure 101; --- Increased normative Appendix C routine test. This section uses the redrafted law to amend the use of IEC 61386-21.2002 "Cable Management Catheter System Part 21. Rigid Conduit System specific requirements. " This part of IEC 61386-21.2002 technical differences and the reasons are as follows. --- On the normative references, this section made a technical difference with the adjustment to adapt to China's technical conditions, adjust the situation Concentration reflected in the second chapter "Normative references", the specific adjustments are as follows. ● GB/T 20041.1-2015 replaced by IEC 61386-1; ● Added reference documents GB/T 192, GB/T 196, GB/T 4208, GB/T 17194. --- In order to guide the manufacturer's production inspection, an increase of 5.101. --- 7.1.101 Added the requirement to mark this part number. --- According to the situation of the metal catheter system in our country, an increase of catheter size requirements terms .8.101,8.102,8.103,8.104, 8.105,8.106. --- According to the situation of China's metal catheter system, an increase of catheter structure requirements .9.101,9.102,9.103,9.104, 9.105,9.106,9.107,9.108. --- According to China's metal conduit system application environment, an increase of the catheter protection level and corrosion-resistant terms. 14.101,14.102. --- Added Appendix C routine test. --- Added Figure 101. This section made the following editorial changes. --- In accordance with the requirements of GB/T 1.1-2009, in Chapter 1 "Scope" be amended to "GB/T 20041 This section specifies the rigid guide Pipe system signs and documents, size, structure, mechanical properties, electrical properties, thermal performance and other technical requirements. This section applies to just Sex Catheter System. " --- Due to the increase of Figure 101, and according to the figure mentioned in the order of the figure, figure number has been adjusted. This part is proposed by China Electrical Equipment Industry Association. This part of the National Electrical Accessories Standardization Technical Committee (SAC/TC67) centralized. This part of the drafting unit. China Electric Apparatus Research Institute Co., Ltd., Zhongshan City, Shun Shing Hardware Products Co., Ltd. Guangdong Tong Technologies Co., Ltd., Hangzhou Hongyan Electric Co., Ltd., ABB (China) Co., Ltd., Guangdong Liansu Technology Industry Co., Ltd., Guangdong Wagner Steel Pipe Industrial Co., Ltd., Haizhu District, Guangzhou City Zhongxing Hardware Trunk Bridge plant, Wei Kai Detection Technology Co., Ltd., Shenzhen, China Autopass Industrial Electric Limited. The main drafters of this section. Cai Jun, Leonard Kennedy, Wu Weiguo, Wu Ming, Dong Gang, Chen Guonan, Zeng Xiangui, Che Zhiqiang, Hongzhi Jing, Luo Yangjun, Li Qin, Zhou Xiaoqing. This part replaces the standards previously issued as. --- GB/T 14823.1-1993, GB/T 14823.2-1993; --- GB .20041.21-2008. Cable management catheter system Part 21. Particular requirements for rigid catheter systems1 ScopeGB/T 20041.1-2015 this chapter replaced by. This section GB/T 20041 specifies the signs and documents rigid pipe system, size, structure, mechanical properties, electrical properties, thermal Can wait for technical requirements. This section applies to rigid catheter system.2 Normative referencesThe following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 192 ordinary thread 196 basic type (GB/T 192-2003, ISO 68-1.1998, MOD) GB/T 196 ordinary thread basic dimensions (GB/T 196-2003, ISO 724.1993, MOD) GB/T 4208 enclosure protection (IP code) (GB/T 4208-2008, IEC 60529.2001, IDT) GB/T 17194 electrical conduit electrical installation of the catheter diameter and the catheter and accessories thread (GB/T 17194-1997, eqv IEC 423.1993) GB/T 20041.1-2015 Conduit systems for cable management - Part 1. General requirements (IEC 61386-1-2008, MOD)3 Terms and definitionsGB/T 20041.1-2015 of this chapter apply.4 General requirementsGB/T 20041.1-2015 of this chapter apply.5 test the general conditionsThis section GB/T 20041.1-2015 apply the following terms. 5.101 routine test project is given in Appendix C.6 CategoriesThis chapter GB/T 20041.1-2015 applies, except as follows. 6.1.11), 6.1.21), 6.1.32), 6.1.33), 6.1.34), 6.1.41) and 6.1.51) do not apply. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 20041.21-2017_English be delivered?Answer: Upon your order, we will start to translate GB/T 20041.21-2017_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 20041.21-2017_English with my colleagues?Answer: Yes. 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