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GB/T 39485-2020: (Safety and control devices for gas burners and burning appliances Special requirements Manual gas valves)
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| GB/T 39485-2020 | English | 539 |
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(Safety and control devices for gas burners and burning appliances Special requirements Manual gas valves)
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GB/T 39485-2020
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Basic data | Standard ID | GB/T 39485-2020 (GB/T39485-2020) | | Description (Translated English) | (Safety and control devices for gas burners and burning appliances Special requirements Manual gas valves) | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | P45 | | Word Count Estimation | 29,252 | | Date of Issue | 2020-11-19 | | Date of Implementation | 2021-10-01 | | Regulation (derived from) | National Standard Announcement No. 26 of 2020 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 39485-2020: (Safety and control devices for gas burners and burning appliances Special requirements Manual gas valves)
---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.
(Safety and control devices for gas burners and burning appliances Special requirements Manual gas valves)
ICS 91.140
P45
National Standards of People's Republic of China
Safety and control devices for gas burners and burning appliances
Special requirements manual gas valve
2020-11-19 released
2021-10-01 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Table of contents
Foreword Ⅰ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 Classification and grouping 2
4.1 Classification 2
4.2 Group 2
5 Structure and materials 2
5.1 General requirements 2
5.2 Structure 2
5.3 Material 5
5.4 Gas connection 6
6 Requirements 7
6.1 General requirements 7
6.2 Component requirements 7
6.3 Performance requirements 7
7 Test method 9
7.1 Test conditions 9
7.2 Component test 9
7.3 Performance requirements test 10
7.4 Seal angle test of manual gas ball valve 11
8 Inspection rules 11
8.1 Factory inspection 11
8.2 Type inspection 12
9 Signs, installation and operating instructions 13
9.1 Sign 13
9.2 Installation and operating instructions 13
9.3 Warning notice 13
10 Packaging, transportation and storage 14
Appendix A (informative appendix) Structural changes of this standard compared with ISO 23551-5.2014 15
Appendix B (informative appendix) Technical differences between this standard and ISO 23551-5.2014 and their reasons 17
Appendix C (informative appendix) This standard supports GB 16914-2012 basic requirements of clause correspondence table 19
Appendix D (informative appendix) Valve diagram 21
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard uses the redrafting law to amend and adopt ISO 23551-5.2014 "Gas burner and gas appliance safety and control device characteristics
Special Requirements Part 5.Manual Gas Valve.
Compared with ISO 23551-5.2014, this standard has many structural adjustments. Appendix A lists this standard and ISO 23551-5.
The.2014 chapter number comparison list.
Compared with ISO 23551-5.2014, there are technical differences between this standard and the clauses involved in these differences have been passed on the outer margins.
The vertical single line (∣) of the position is marked, and a list of the corresponding technical differences and their reasons is given in Appendix B.
This standard is consistent with GB 16914-2012 "Safety Technical Conditions for Gas Burning Appliances", and the support of this standard is given in Appendix C.
Support the clause correspondence table of GB 16914-2012 basic requirements.
This standard has made the following editorial changes.
--- Amend the standard name to "Manual gas valve with special requirements for safety and control devices for gas burners and burning appliances";
---Appendix D adds Figure D.1 and Figure D.2;
---Removed the references of ISO 23551-5.2014.
This standard was proposed and managed by the Ministry of Housing and Urban-Rural Development of the People's Republic of China.
Drafting organizations of this standard. Zhejiang Xintao Intelligent Control Technology Co., Ltd., Zhejiang Bodun Gas Appliance Technology Co., Ltd., China Municipal Engineering Hua
North Design and Research Institute Co., Ltd., Guangdong Evergreen (Group) Co., Ltd., Ningbo Zhiqing Industrial Co., Ltd., Ningbo Jiekelong Precision Co., Ltd.
Co., Ltd., Schindler Technology Group Co., Ltd., Ningbo Laite Gas Appliance Co., Ltd., Ningbo Guangguang Gas Appliance Co., Ltd., Hangzhou Wanquan Metal
Hose Co., Ltd., Zhongshan Jinyi Metal Products Co., Ltd., Ningbo Haishu Jishigang Kitchenware Factory, Qingdao Economic and Technological Development Zone Hai
Water Heater Co., Ltd., Zhejiang Dunan Intelligent Control Technology Co., Ltd., Taizhou Zhongran Machinery Co., Ltd., National Gas Appliance Quality Supervision
Inspection center.
The main drafters of this standard. Tu Feiying, Xu Hongyuan, Pan Cuijing, You Jintang, Chen Zhiqing, Yan Rongjie, Wu Xiaotian, Li Xuebo, Zhang Wei,
Wu Wenqing, Ye Xiaoying, Yang Jun, Li Jian, Zhu Xinyan, Xu Xiang, Li Jun, Zhang Jun.
Safety and control devices for gas burners and burning appliances
Special requirements manual gas valve
1 Scope
This standard specifies manual gas valves for burners and combustion appliances that use urban gas specified in GB/T 13611 (hereinafter referred to as "valves")
Classification and grouping, structure and materials, requirements, test methods, inspection rules, marking, installation and operation instructions, packaging, transportation and storage.
This standard applies to the maximum inlet pressure not greater than 500kPa and the nominal size not greater than DN50, which is used for gas stoves, integrated stoves, and gas grills.
Boxes, gas burners/machines, gas heating stoves, gas heaters, gas ovens and other gas burning appliances or valves on burning equipment.
This standard does not apply to manual gas needle valves.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document.
For undated references, the latest version (including all amendments) applies to this document.
GB/T 2828.1 Sampling inspection procedure by attributes Part 1.Batch inspection sampling plan retrieved by acceptance quality limit (AQL)
(GB/T 2828.1-2012, ISO 2859-1.1999, IDT)
GB/T 13611 Classification and basic characteristics of urban gas
GB/T 30597-2014 General requirements for safety and control devices for gas burners and burning appliances (ISO 23550.2011, MOD)
3 Terms and definitions
The following terms and definitions defined in GB/T 30597 apply to this document.
3.1
Manual gas valve
It is a manually operated valve that controls the opening and closing of the gas or the gas flow adjustment function.
Note. See Appendix D for the schematic diagram.
3.2
Manual gas cock
The valve stem drives the cone plug to rotate around the axis of the valve stem, and the cone plug is used to control the opening and closing of the gas or the valve with the function of gas flow adjustment.
Note. For schematic diagram, see Figure D.1~Figure D.3.
3.3
Manual gas ball valve
The valve stem drives the ball to rotate around the axis of the valve stem, and the ball is used to control the opening and closing of the gas or the valve with the function of gas flow adjustment.
Note. See Figure D.4 for the schematic diagram.
3.4
Seal length
The shortest distance between the gas conveying component and the atmosphere measured along the sealing surface.
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