GB/T 19518.1-2024 English PDFUS$1019.00 · In stock
Delivery: <= 7 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 19518.1-2024: Explosive atmospheres - Electrical resistance traces heating - Part 1: General and testing requirements Status: Valid GB/T 19518.1: Historical versions
Basic dataStandard ID: GB/T 19518.1-2024 (GB/T19518.1-2024)Description (Translated English): Explosive atmospheres - Electrical resistance traces heating - Part 1: General and testing requirements Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: K35 Classification of International Standard: 29.260.20 Word Count Estimation: 50,595 Date of Issue: 2024-03-15 Date of Implementation: 2024-10-01 Older Standard (superseded by this standard): GB/T 19518.1-2017 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 19518.1-2024: Explosive atmospheres - Electrical resistance traces heating - Part 1: General and testing requirements---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 29.260.20 CCSK35 National Standards of People's Republic of China Replaces GB/T 19518.1-2017 Explosive Atmosphere Resistance Heaters Part 1.General and test requirements requirements,MOD) Published on March 15, 2024, implemented on October 1, 2024 State Administration for Market Regulation The National Standardization Administration issued Table of ContentsPreface III Introduction V 1 Scope 1 2 Normative references 5 3 Terms and Definitions 6 4 General requirements 10 4.1 General 10 4.2 Mechanical strength 10 4.3 Connectors and fittings 11 4.4 Circuit protection requirements for branch circuits 11 4.5 Temperature requirements 11 5 Test 13 5.1 Type test 13 5.2 Routine test 30 6 Sign 30 6.1 Heater Product Marking 30 6.2 Marking of components assembled on site 30 7 Documentation requirements31 7.1 General Principles31 7.2 Circuit Design File 31 7.3 Heating system documentation 31 7.4 Installation instructions for heating systems 32 7.5 Debugging instructions 33 7.6 Maintenance/repair or modification instructions 33 Appendix A (Normative) Heater Product Design Verification Method 34 Appendix B (Informative) Type test of EPLgb/Gc/Db/Dc (the relationship between EPL and region is shown in GB/T 3836.15) 41 Appendix C (Informative) Installation Checklist 42 Reference 43 Figure 1 Combustion test 15 Figure 2 Example of room temperature impact test 17 Figure 3 Minimum temperature shock test example 18 Figure 4 Cold bending test 19 Figure 5 Water resistance test of the whole component 20 Figure 6 Rated output power verification 21 Figure 7 Maximum sheath temperature using product classification method 24 Figure 8 Using pipe sculpture to verify the sheath temperature 25 Figure 9 Sheath temperature verification --- plate test 27 Figure 10 Sheath temperature verification --- Plate test of serpentine sample 28 Figure 11 Two samples crossed on a board test 28 Figure 12 Single sample cross panel test 29 Figure A.1 Balance condition maintained by the workpiece 35 Figure A.2 Balance conditions for evaluation upper limits 35 Table 1 Applicability or exclusion of specific provisions of GB/T 3836.1-2021 1 Table 2 Sheath temperature design conditions based on equipment protection level---steady-state design method 12 Table 3 Sheath temperature design conditions based on equipment protection level --- controlled design method 12 Table 4 Dielectric strength test voltage 13 Table B.1 Determination of test samples 41 Table C.1 Example of Heater Installation Record 42ForewordThis 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 part 1 of GB/T 19518 "Resistance Tracer Heaters for Explosive Atmospheres". GB/T 19518 has been published for the following part. --- Part 1.General and test requirements; --- Part 2.Design, installation and maintenance guidelines. This document replaces GB/T 19518.1-2017 "Resistive trace heaters for explosive atmospheres Part 1.General and test requirements" Compared with GB/T 19518.1-2017, in addition to structural adjustments and editorial changes, the main technical changes are as follows. --- Added a table of applicability of GB/T 3836.1-2021 clauses (see Table 1); --- Changed the requirements for steady-state design (see 4.5.2, 4.4.2 of the.2017 edition); --- Changed the requirements for controlled design (see 4.5.3, 4.5.3 of the.2017 edition); --- Added requirements for combustion test burners and fuels (see 5.1.4); --- Added the minimum temperature shock test (see 5.1.5.2); --- Added the requirements for winding samples on the mandrel in the thermal stability test of electrical insulating materials (see 5.1.11); --- Added thermal performance test (see 5.1.12); --- Changed the system method for determining the maximum sheath temperature (see 5.1.13.3, 5.1.13.4, 5.1.13.2 of the.2017 edition); --- Added outdoor exposure test (see 5.1.16); --- Changed the marking requirements (see Chapter 6, Chapter 6 of the.2017 edition); --- Added document requirements (see Chapter 7); --- Added an appendix on the design verification method for heater products (see Appendix A). This document is modified to adopt IEC /IEEE60079-30-1.2015 "Explosive atmospheres Part 30-1.General and Test requirements". This document has made the following structural adjustments compared to IEC /IEEE60079-30-1.2015. --- Appendix A corresponds to Appendix C of IEC /IEEE60079-30-1.2015; --- Appendix B corresponds to Appendix A of IEC /IEEE60079-30-1.2015; --- Appendix C corresponds to Appendix B of IEC /IEEE60079-30-1.2015. The technical differences between this document and IEC /IEEE60079-30-1.2015 and their reasons are as follows. --- The clauses in Table 1 have been changed to be consistent with GB/T 3836.1-2021; --- IEC 60050-426 (see Chapter 3) has been replaced by the normative reference GB/T 2900.35 to adapt to my country's technical conditions, Increase operability; --- IEC 60050-151 (see Chapter 3) has been replaced by the normative reference GB/T 2900.83 to adapt to my country's technical conditions, Increase operability; --- Replaced IEC 60079-0 with the normative reference GB/T 3836.1-2021 (see Chapter 3, 4.1, 4.3, 5.1.1, 6.1, 6.2) to adapt to my country's technical conditions and increase operability; --- Replaced IEC 60079-7 (see Chapter 3) with the normative reference GB/T 3836.3 to adapt to my country's technical conditions and increase Operability; --- The normative reference GB/T 5169.15 replaces IEC 60695-11-3 (see 5.1.4) to adapt to my country's technical conditions and increase Increase operability; --- ISO 4582 (see 5.1.16) has been replaced by the normative reference GB/T 15596 to adapt to my country's technical conditions and increase operability. Sex; --- Replaced ISO 4892-1 (see 5.1.16) with the normative reference GB/T 16422.1 to adapt to my country's technical conditions and increase Operability; --- Replaced ISO 4892-2 (see 5.1.16) with the normative reference GB/T 16422.2 to adapt to my country's technical conditions and increase Operability; --- Deleted Appendix D on the requirements for heating systems for Section 1 and Section 2 locations to align with my country's classification method for explosive atmosphere locations Consistent. The following editorial changes were made to this document. --- In order to coordinate with the existing standard series, the standard name is changed to "Resistive Heaters for Explosive Atmospheres Part 1.General and Test Inspection Requirements; --- Deleted the note on the standard clause number in Table 1; --- Added information about the addresses of ISO and IEC terminology databases in the terms and definitions; --- The note on the definition of "heating device" in 3.41 was deleted in the terms and definitions; --- Information about the professional field and source of terms has been deleted from terms and definitions; --- Deleted Appendix E on the type test of heating in sections 1 and 2; ---Replace the international documents cited for informational purposes with Chinese documents. 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 Electrical Equipment Industry Association. This document is under the jurisdiction of the National Technical Committee for Standardization of Explosion-proof Electrical Equipment (SAC/TC9). This document was drafted by. Nanyang Explosion-proof Electrical Research Institute Co., Ltd., Henan Institute of Metrology, Wanhua Chemical Group Co., Ltd. Company, Sinopec Engineering Construction Co., Ltd., Wuhu Jiahong New Materials Co., Ltd., Jiamusi Explosion-proof Motor Research Institute Co., Ltd., An Huitiankang (Group) Co., Ltd., Chongqing Chuanyi Seventeenth Factory Co., Ltd., China Coal Technology and Engineering Group Changzhou Research Institute Co., Ltd., Zhengxing Technology Co., Ltd., Nanyang Zhongtian Explosion-proof Electrical Co., Ltd. The main drafters of this document are. Wang Jun, Li Shuxiang, Lü Longzhuang, Li Ling, Weng Jie, Hao Changhai, Mao Wenzhang, Wei Dan, Zhang Yajun, Wang Tengjiao, Sun Jingfu, Bidong. The previous versions of this document and the documents it replaces are as follows. ---First published in.2004 as GB 19518.1-2004 and first revised in.2017; ---This is the second revision.IntroductionGB/T 19518 "Resistance Tracer Heaters for Explosive Atmospheres" aims to establish the basic requirements for resistance trace heaters for explosive atmospheres and provide Provides application guidance in the form of a partial standard, including the following parts. --- Part 1.General and test requirements; --- Part 2.Design, installation and maintenance guidelines. Electric heating systems are widely used in explosion-hazardous places in the petroleum, chemical and other industries. In terms of standardization of such equipment, my country has In.2004, the IEC 62086 series was adopted to formulate GB 19518.1- 2004, and GB/T 19518.2-2004 on the design, installation and maintenance of electric heating, followed by IEC 60079-30 in.2017 Since the.2017 version of the standard was released and implemented, the design and testing technologies of electric heating systems have made certain new developments. Its application also puts forward new requirements. In terms of international standards, the current versions of the corresponding standards are IEC /IEEE60079-30-1.2015 and IEC /IEEE60079-30-2.2015, its main technical content is applicable to my country's situation. In order to keep pace with the development of international standards, the GB/T 19518 series needs to be revised. For this document, this revision adopts IEC /IEEE60079-30-1.2015 "Explosive atmospheres Part 30-1.Electrical resistance heating Based on the main technical contents of the General and Test Requirements, appropriate modifications have been made to suit the situation in my country. It is a supplement and modification to the general requirements of GB/T 3836.1. Explosive Atmosphere Resistance Heaters Part 1.General and test requirements1 ScopeThis document specifies the general use of resistance heating devices for use in explosive atmospheres other than Equipment Protection Levels (EPL) Ga and Da. and test requirements. This document applies to electric resistance trace heaters consisting of factory assembled units or field (site) assembled units, which may be manufactured in accordance with the manufacturer's Series heaters, parallel heaters, heating pads or heating plates assembled and/or terminated in accordance with the instructions. This document also includes requirements for termination components and control methods used in heat tracing systems. Explosive atmospheres covered in this document are Definitions in GB 3836.14 and GB/T 3836.35. This document supplements and modifies the general requirements of GB/T 3836.1-2021, as shown in Table 1. When there is a conflict between the requirements of GB/T 3836.1-2021, the requirements of this document shall take precedence. Table 1 Applicability or exclusion of specific provisions of GB/T 3836.1-2021 GB/T 3836.1-2021 Electrical resistance heating devices and integral components Chapter and Article Number Chapter and Article Title Category I and Category II Category III Connectors as separate components1 Scope Applicable Applicable Applicable2 Normative references Applicable Applicable Applicable3 Terms and definitionsApplicable, except ambient temperature, See 3.1 for details Applicable, except ambient temperature, See 3.1 for details Applicable, except ambient temperature, See 3.1 for details4 Equipment Classification Applicable Applicable Applicable4.1 General Provisions Applicable Applicable Applicable 4.2 Category I Applicable Exclusions 4.3 Category II applies, always ⅡC excludes application 4.4 Category III Exclusion Applicable, only outside the insulation layer, Always IIIC Applicable, only outside the insulation layer 4.5 For use in specific explosive gas environments equipment Exclusions Exclusions apply 5.1 Environmental impact Applicable Applicable Applicable 5.1.1 Ambient temperature Replaced by 6.1e) Replaced by 6.1e) Applicable, see 3.1 5.1.2 External heat or cooling source Applicable Applicable Applicable 5.2 Operating temperature modification Modification applicable 5.3.1 Determination of maximum surface temperature Replaced with 5.1.13 4.5 Only if performed according to 5.1.13.3 During the test, together with 5.1.13 Replaced by 4.5 Be applicable ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 19518.1-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 19518.1-2024_English as soon as possible, and keep you informed of the progress. 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