GB/T 19518.2-2017 English PDFUS$839.00 · In stock
Delivery: <= 9 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 19518.2-2017: Explosive atmospheres -- Electrical resistance traces heating -- Part 2: Application guide for design, installation and maintenance Status: Valid GB/T 19518.2: Historical versions
Basic dataStandard ID: GB/T 19518.2-2017 (GB/T19518.2-2017)Description (Translated English): Explosive atmospheres -- Electrical resistance traces heating -- Part 2: Application guide for design, installation and maintenance Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: K35 Classification of International Standard: 29.260.20 Word Count Estimation: 42,454 Date of Issue: 2017-12-29 Date of Implementation: 2018-07-01 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 GB/T 19518.2-2017: Explosive atmospheres -- Electrical resistance traces heating -- Part 2: Application guide for design, installation and maintenance---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. Explosive atmospheres-Electrical resistance traces heating-Part 2. Application guide for design, installation and maintenance ICS 29.260.20 K35 National Standards of People's Republic of China Replacing GB/T 19518.2-2004 Explosive environment resistive heat tracer Part 2. Guidelines for design, installation and maintenance Explosiveatmospheres-Electrical resistanceistanceces- Part 2.Applicationguidefordesign, instalationandmaintenance (IEC 60079-30-2.2007, Explosiveatmospheres- Part 30-2.Electricalresistancetracesheating- Applicationguidefordesign, instalationandmaintenance, MOD) 2017-12-29 published.2018-07-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Conditions of use 1 4.1 General 1 4.2 Corrosive area 2 4.3 process temperature accuracy 2 4.4 Installation conditions 2 5 insulation 3 5.1 General 3 5.2 insulation material selection 3 5.3 climate protection layer (protective layer) choice 4 5.4 The choice of economic thickness 5 5.5 double insulation 6 6 system design 7 6.1 Introduction 7 6.2 Heat Tracing Applications and Major Requirements 7 6.3 Heat Loss Calculation 7 6.4 heating calculation 8 6.5 Heat loss design safety factor 9 6.6 Tracer Selection 9 6.7 Determination of the maximum temperature 11 6.8 Design Information 14 6.9 Power Supply System 15 6.10 Low ambient temperature start 15 6.11 longer with the tropics 15 6.12 Flow Analysis 15 6.13 blind pipe control method 17 6.14 chimney effect 17 7 Control and monitoring 17 7.1 General 17 7.2 Mechanical Controller 17 7.3 Electronic Controller 17 7.4 Applicability of the application 18 7.5 Controller Location 18 7.6 Sensor Location 18 7.7 Alarm Considerations 18 8 Installation Suggestions 19 8.1 Introduction 19 8.2 Preparation 19 8.3 Heat Tracing Installation 20 8.4 Monitoring Installation 24 8.5 Insulation system installation (see also Chapter 5) 28 8.6 Installation of Wiring and Coordination with Branches 29 8.7 Debugging 29 Maintenance 9.1 General 33 9.2 Fault location 33 9.3 Troubleshooting 33 10 maintenance 34 10.1 General 34 10.2 General methods of heater repair 34 10.3 Heater repair requirements 35 10.4 Grounding 35 10.5 Test 35 ForewordGB/T 19518 "explosive environment resistance heater" is divided into two parts. --- Part 1. General and test requirements; --- Part 2. Design, installation and maintenance guidelines. This section GB/T 19518 Part 2. This section drafted in accordance with GB/T 1.1-2009 given rules. This Part replaces GB/T 19518.2-2004 "Electrical apparatus for explosive gas atmospheres - Resistance heaters - Part 2. Design, Installation and Maintenance Guide. Compared with GB/T 19518.2-2004, the main technical changes are as follows. --- Increasing the "heat tracer performance and balance conditions" (see 6.6.2); --- Added "PTC Characteristics Law" and "Temperature Limiting Device or Control Device Method" to the maximum temperature determination (see 6.7.1 and 6.7.2); --- Installation preparation to increase "equipment confirmation" (see 8.2.3); --- Added heat tracing installation "visual inspection" "insulation resistance test" and "determine the power supply position" (see 8.3.3, 8.3.4 and 8.3.6); --- Added "Connection Accessories" "Grounding Requirements" and "Heater Circuit Insulation Resistance Test" to the heat tracing terminal connection (see 8.3.8.1, 8.3.8.5 and 8.3.8.8); --- Installation of monitoring equipment to increase the "Confirmation of equipment suitability" "Thermostat and monitoring device" "Thermostat operation, calibration and use" and "Necessary changes" (see 8.4.2, 8.4.3, 8.4.5 and 8.4.6); --- Notes to the sensor to increase the number of specific installation methods (see 8.4.4.2 ~ 8.4.4.5); --- Insulation system installation to increase "on-site installation of insulation resistance test circuit" "visual inspection" and "documents" (see 8.5.5 ~ 8.5.7); --- Increase "wiring installation and coordination with the branch" (see 8.6); --- "Commissioning" to add "functional inspection and the final document" (see 8.7.2). This section uses the redrafted law Amendment uses IEC 60079-30-2.2007 "Explosive Environment Part 30-2. Resistive heat tracers Design, Installation and Maintenance Guide. This section compared with IEC 60079-30-2.2007, the main technical differences are as follows. --- On the normative references, this section made a technical difference with the adjustment to the application of China's technical conditions, adjust the situation Concentration reflected in the second chapter "Normative references", the specific adjustments are as follows. ● Replacing IEC 60079-0.2004 with International Standard GB 3836.1-2010 modified; ● Replacing IEC 60079-1.2003 with GB 3836.2-2010 modified to adopt international standards; ● Equivalent to the international standard GB 3836.3-2010 instead of IEC 60079-7.2001; ● Equivalent to the international standard GB 3836.14-2014 instead of IEC 60079-10.2002; ● GB/T 3836.15-2017 modified to adopt international standards instead of IEC 60079-14.1996; ● Equivalent to the use of international standards GB/T 3836.16-2017 instead of IEC 60079-17.1996; ● GB/T 19518.1-2017 modified to adopt international standards instead of IEC 60079-30-1.2006; ● Delete IEC 60050-426. This section made the following editorial changes. --- Modify the standard name. This part is proposed by China Electrical Equipment Industry Association. This part of the National Standardization Technical Committee explosion-proof electrical equipment (SAC/TC9) centralized. This section mainly drafted units. Nanyang Institute of explosion-proof electrical, explosion-proof electrical products National Quality Supervision and Inspection Center, Pentair Thermal Control Technology (Shanghai) Co., Ltd., 赛 League Tracing Engineering (Shanghai) Co., Ltd., Jiangyin Huaneng Electric Equipment Co., Ltd., Wuxi Bo Rui Aoke Electric Co., Ltd., Wuxi Hengye Electric Appliance Co., Ltd., Ampang Electric Group Co., Ltd. The main drafters of this section. Sun Jingfu, Li Shuchao, Zhang Gang, Wu Jing, Yang Chen, Gu Xian, He Daqing, Zhaojun, Li Yi even. This part replaces the standards previously issued as. --- GB/T 19518.2-2004. Explosive environment resistive heat tracer Part 2. Guidelines for design, installation and maintenance1 ScopeGB/T 19518 of this section may produce explosive gas environment with resistive heating system for the application of guidelines, dangerous areas Area 0 except. This section provides recommendations for the design, installation, maintenance, and repair of resistive heaters and associated monitoring devices. This section does not include Devices that rely on induction heating, skin effect or direct line heating also do not include those intended for stress relief. The requirements of this section is to GB/T 19518.1-2017 supplement.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 3836.1-2010 Explosive atmospheres - Part 1. General requirements for equipment (IEC 60079-0.2007, MOD) GB 3836.2-2010 Explosive atmospheres - Part 2. Equipment protected by flameproof enclosure "d" (IEC 60079-1-2007, MOD) GB 3836.3-2010 Explosive atmospheres - Part 3. Equipment protected by increased safety "e" (IEC 60079-7.2006, IDT) GB 3836.14-2014 Explosive atmospheres - Part 14. Site classification Explosive atmospheres (IEC 60079-10-1.2007, IDT) Explosive atmospheres - Part 15. Design, sizing and installation of electrical installations (IEC 60079-14..2006); 2007, MOD) GB/T 3836.16-2017 Explosive atmospheres - Part 16. Inspection and maintenance of electrical installations (IEC 60079-17.2007, IDT) GB/T 19518.1-2017 Explosive atmospheres resistive heat tracer - Part 1. General and test requirements (IEC 60079-30- 1.2007, MOD)3 Terms and definitionsGB 3836.1-2010, GB 3836.2-2010 and GB 3836.3-2010 as defined by the following terms and definitions apply to this file. NOTE For other terms and definitions used in explosive atmospheres see GB/T 2900.35-2008.4 conditions of use4.1 General This section is to GB/T 3836.15-2017 and GB 3836.16-2017 requirements in addition. If the heat tracing system is installed in an explosive atmosphere, a detailed classification of the hazardous area (GB 3836.14-2014) shall be provided. The rule ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 19518.2-2017_English be delivered?Answer: Upon your order, we will start to translate GB/T 19518.2-2017_English as soon as possible, and keep you informed of the progress. The lead time is typically 6 ~ 9 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 19518.2-2017_English with my colleagues?Answer: Yes. 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