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GB/T 34663-2017: General technical requirements for electric resistance heaters used in explosive gas atmospheres
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 34663-2017 | English | 679 |
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General technical requirements for electric resistance heaters used in explosive gas atmospheres
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GB/T 34663-2017
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Basic data | Standard ID | GB/T 34663-2017 (GB/T34663-2017) | | Description (Translated English) | General technical requirements for electric resistance heaters used in explosive gas atmospheres | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K35 | | Classification of International Standard | 29.260.20 | | Word Count Estimation | 34,395 | | 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 34663-2017: General technical requirements for electric resistance heaters used in explosive gas atmospheres
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General technical requirements for electric resistance heaters used in explosive gas atmospheres
ICS 29.260.20
K35
National Standards of People's Republic of China
Resistive gas environment with resistance heater
General technical requirements
2017-12-29 Posted
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 General requirements 4
4.1 Overview 4
4.2 Environmental conditions 5
4.3 Structure 5
4.4 Explosion-proof resistance heater supplementary requirements 8
4.5 additional safety resistance heater additional requirements 10
4.6 Liquid Heaters Additional Requirements 11
4.7 gas heater additional requirements 11
5 Test 11
5.1 General 11
5.2 Electrical Performance Test 11
5.3 explosion-proof performance test 17
6 Inspection rules 21
6.1 Overview 21
6.2 resistance heater inspection rules 22
6.3 resistance heating element inspection rules 23
7 mark 23
7.1 Overview 23
7.2 signs content 23
7.3 Other logo requirements 24
Appendix A (Normative) Explosion-proof resistance heater supplementary test 25
Appendix B (Normative) Increased resistance type heater heater supplementary test 27
Appendix C (Normative) Resistance heating element test 28
References 30
Figure 1 cold leakage current detection diagram 13
Figure 2 Thermal Leakage Current Detection Schematic 14
Figure 3 Recommended Test Circuit 14
Table 1 heating element shell thickness 8
Table 2 Test voltage 15
Table 3 torque requirements 19
Table 4 resistance heater general inspection rules 22
Table 5 Flameproof resistance heater inspection rules 23
Table 6 increased resistance type resistance heater inspection rules 23
Table 7 junction box temperature mark 24
Table A.1 shell safety factor of 26
Table C.1 resistance heating element test 28
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard proposed by the China Electrical Equipment Industry Association.
This standard by the National Standardization Technical Committee explosion-proof electrical equipment (SAC/TC9) centralized.
This standard was drafted. Nanyang Institute of explosion-proof electrical, explosion-proof electrical products National Quality Supervision and Inspection Center, Jiangyin Huaneng Electric Heater
Material Co., Ltd., Zhenjiang Dongfang Electric Co., Ltd., Wuxi Bo Rui Aoke Electric Co., Ltd., Wolong Electric Nanyang Explosion Protection Group Co., Ltd.
Division, Chengdu Xing Minjiang Electric Appliance Co., Ltd.
The main drafters of this standard. Zhang Peng, Zhang Gang, Gu Yin, Tan Ke, He Daqing, Xie Minghui.
Resistive gas environment with resistance heater
General technical requirements
1 Scope
This standard specifies the flameproof, increased safety or explosion-proof - by-composite resistance heater general technical requirements and test requirements.
This standard applies to explosive gas atmospheres installed and used in the rated voltage 1140V and below Class II metal heating element shell
Hermetic resistance heater.
This standard does not apply to the following resistance heater.
--- Heating medium does not need oxygen to burn or explosion or unstable chemical resistance heater;
--- Induction heating, skin effect heating, dielectric heating or any other heating system, including the current through the liquid, the shell or pipe plus
Thermal system
--- Medical equipment;
--- Used in the piping, tanks and related equipment used to increase or maintain the temperature of such equipment without direct contact was added
Heating medium heating cable, heating pad, heating plate and other heating equipment.
2 Normative references
The 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 150.1 Pressure vessels - Part 1. General requirements
GB/T 2828.1 Sampling procedures for inspection - Part 1. Batch inspection sampling plan by acceptance quality limit (AQL)
(GB/T 2828.1-2012, ISO 2859-1..1999, IDT)
GB/T 2900.35-2008 Electrotechnical terminology Equipment for explosive atmospheres (IEC 60050-426..2008, IDT)
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/T 3836.15-2017 Explosive atmospheres - Part 15. Design, selection and installation of electrical installations (IEC 60079-14.
2007, MOD)
GB/T 4208 enclosure protection (IP code) (GB/T 4208-2017, IEC 60529..2013, IDT)
GB/T 14536.10 Household and similar electrical automatic controlgear Particular requirements for temperature-sensitive controller (GB/T 14536.10-
2008, IEC 60730-2-9..2004, IDT)
GB/T 16895.20 electrical installations in buildings - Part 5. Selection and installation of electrical equipment Chapter 55. Other equipment
Section 551. Low voltage power generation equipment (GB/T 16895.20-2003, IEC 60364-5-551..1994, IDT)
GB/T 22687 bimetallic temperature controllers for household and similar purposes
GB/T 22688 pressure-type temperature controller for household and similar purposes
3 Terms and definitions
GB/T 2900.35-2008 defined in the following terms and definitions apply to this document.
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