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GB/T 45385-2025 English PDF

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GB/T 45385-2025: Safety and control devices for gas burners and gas-burning appliances - Particular requirements - Vent valves
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Basic data

Standard ID GB/T 45385-2025 (GB/T45385-2025)
Description (Translated English) Safety and control devices for gas burners and gas-burning appliances - Particular requirements - Vent valves
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard P45
Classification of International Standard 91.140
Word Count Estimation 22,235
Date of Issue 2025-03-28
Date of Implementation 10/1/2025
Issuing agency(ies) State Administration for Market Regulation, National Standardization Administration

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GB/T 41317   GB/T 39434   GB/T 38603   GB/T 45466   GB/T 45384   

GB/T 45385-2025: Safety and control devices for gas burners and gas-burning appliances - Particular requirements - Vent 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.
ICS 91.140 CCSP45 National Standard of the People's Republic of China Safety and control devices for gas burners and burning appliances Special requirements exhaust valve Released on 2025-03-28 2025-10-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Table of contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Classification and grouping 2 5 Structure and materials 2 6 Requirements 5 7 Test methods 8 8 Inspection Rules 10 9 Marking, installation and operating instructions 11 10 Packaging, transportation and storage 12 Appendix A (Informative) Comparison of this document with ISO 23551-10.2016 structure numbers 13 Appendix B (Informative) Technical differences between this document and ISO 23551-10.2016 and their causes 14 Appendix C (Informative) This document supports the clause correspondence table of GB 16914-2023 basic requirements 15 Reference 17

Foreword

This 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 modified to adopt ISO 23551-10.2016 "Particular requirements for safety and control devices for gas burners and combustion appliances" Part 10.Exhaust valve. Compared with ISO 23551-10.2016, this document has many structural adjustments. See Appendix A for a list. This document has many technical differences compared to ISO 23551-10.2016. A single vertical line (|) indicates these differences. A list of these technical differences and their reasons is given in Appendix B. This document is consistent with GB 16914-2023 "Safety Technical Conditions for Gas Burning Appliances". Appendix C provides the support for this document. The corresponding table of clauses supporting the basic requirements of GB 16914-2023. 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 is proposed and coordinated by the Ministry of Housing and Urban-Rural Development of the People's Republic of China. This document was drafted by. China Municipal Engineering North China Design and Research Institute Co., Ltd., Xite Gas Control System Manufacturing (Suzhou) Co., Ltd. Zhejiang Viessmann Heating Technology Co., Ltd., Guangdong Macro Gas Appliance Co., Ltd., Vaillant (Wuxi) Heating Equipment Co., Ltd., Zhejiang Shuai Feng Electric Co., Ltd., Qingdao Economic and Technological Development Zone Haier Water Heater Co., Ltd., Changqing Thermal Energy Technology (Zhongshan) Co., Ltd., Shanghai LINE FRIEND ELECTRONICS LIMITED. The main drafters of this document are. Zhang Mengting, Ling Juan, Shao Bogui, Liu Bing, Feng Feng, Shao Yuji, Zheng Tao, Deng Xianmin, Huo Jianfei and Zhang Hua. Safety and control devices for gas burners and burning appliances Special requirements exhaust valve

1 Scope

This document specifies the structure and materials of exhaust valves for burners and combustion appliances using town gas specified in GB/T 13611. Requirements, test methods, inspection rules, marking, installation and operating instructions, packaging, transportation and storage. This document applies to the following exhaust valves with a nominal size not exceeding DN100 and a maximum inlet pressure not exceeding 500kPa. ---Electric or fluid-driven exhaust valves, where the pilot valve of the fluid-driven valve is electric and is not connected to a valve for converting control signals or drive energy External device connected; --- Exhaust valve equipped with an open position indicating switch.

2 Normative references

The contents of the following documents constitute essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 14536.1 Automatic electric controllers Part 1.General requirements (GB/T 14536.1-2022, IEC 60730-1.2013, IDT) GB/T 30597-2014 General requirements for safety and control devices for gas burners and combustion appliances (ISO 23550.2011, MOD)

3 Terms and definitions

The terms and definitions defined in GB/T 30597-2014 and the following apply to this document. 3.1 Exhaust valve ventvalve A valve that closes when energy is supplied and automatically opens when energy is removed. Note. Usually used for the bleed valve of the exhaust module. 3.2 actuatingmechanism The part of the exhaust valve that moves the closing element. 3.3 A switch mounted on the exhaust valve to indicate whether the closing element is in the open position. 3.4 actuatingenergy The energy required by the drive mechanism to move the closure element to the closed position. Note. The driving energy comes from energy that can be converted inside the valve, such as electric, pneumatic or hydraulic.
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