GB/T 46073-2025 English PDF

Q: How long will the true-PDF of English version of GB/T 46073-2025 be delivered?

Upon your order, we will start to translate GB/T 46073-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Q: Can I share the purchased PDF of GB/T 46073-2025_English with my colleagues?

Yes. The purchased PDF of GB/T 46073-2025_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Q: Does the price include tax/VAT?

Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries). Avoidance of Double Taxation Agreements (DTAs) between Singapore and 100+ Countries: https://www.iras.gov.sg/taxes/international-tax

Q: Do you accept my currency other than USD?

Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

US$319.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 46073-2025: Gas welding equipment - Quick-action couplings with shut-off valves for welding, cutting and allied processes
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 46073-2025	319	Add to Cart	4 days	Gas welding equipment - Quick-action couplings with shut-off valves for welding, cutting and allied processes	Valid

Similar standards

GB/T 41861 GB/T 40337 GB/T 8118 GB/T 46074 GB/T 46082.1

Basic data

Standard ID: GB/T 46073-2025 (GB/T46073-2025)
Description (Translated English): Gas welding equipment - Quick-action couplings with shut-off valves for welding, cutting and allied processes
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J64
Classification of International Standard: 25.160.30
Word Count Estimation: 16,185
Date of Issue: 2025-08-29
Date of Implementation: 2026-03-01
Issuing agency(ies): State Administration for Market Regulation; Standardization Administration of China

GB/T 46073-2025: Gas welding equipment - Quick-action couplings with shut-off valves for welding, cutting and allied processes

---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT46073-2025
ICS 25.160.30 CCSJ64 National Standards of the People's Republic of China Gas welding equipment, welding, cutting and related processes Use a quick connector with a shut-off valve. (ISO 7289.2018, MOD) Published on 2025-08-29 Implemented on 2026-03-01 State Administration for Market Regulation The State Administration for Standardization issued a statement.

Preface III 1.Scope 1 2 Normative References 1 3.Terms and Definitions 1 4.Classification 1 5.Installation 2 6.Design Requirements 2 7 Technical Requirements 3 8.Test conditions 4 9.Test Methods 6. 10 signs 8 11 Instruction Manual 8 Appendix A (Informative) Technical Differences Between This Document and ISO 7289.2018 and Their Reasons 10 Reference 11

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents". Drafting. This document is modified to adopt ISO 7289.2018 "Quick couplings with shut-off valves for welding, cutting and related processes of gas welding equipment". This document has undergone the following structural adjustments compared to ISO 7289.2018. ---Added 9.8 pressure loss test. This document differs significantly from ISO 7289.2018 in several technical aspects. The relevant clauses are indicated in vertical margins. Single lines (丨) are indicated. A summary of these technical differences and their reasons is provided in Appendix A. The following editorial changes have been made to this document. ---Added Appendix A (Informative) "Technical differences between this document and ISO 7289.2018 and the reasons thereof". ---Added unit conversion information, converting gas pressure units to MPa and stress units to N; ---The structure of Tables 1 and 2 has been adjusted to facilitate the application of this document; ---GB/T 2550 has been added to the references. Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents. This standard was proposed and is under the jurisdiction of the National Technical Committee on Standardization of Welding and Related Processes (SAC/TC55). This document was drafted by. Hebei Chuangli Electromechanical Technology Co., Ltd., Tongling University, and Harbin Welding Research Institute of China Academy of Machinery Science and Technology. Limited Company, Ningbo Jiangbei Xingda Welding & Cutting Pressure Reducer Instrument Factory, Northeast Petroleum University, Ningbo Jinding Industry & Trade Co., Ltd., Ningbo Longxing Welding & Cutting Technology Joint-stock companies, Beijing Shougang Electromechanical Co., Ltd., Shanghai Nuclear Engineering Research and Design Institute Co., Ltd., Qingdao Guosheng Welding and Cutting Equipment Co., Ltd. The company, Beijing Jingye Technology Co., Ltd., Qingdao Zhendeheng Welding & Cutting Tools Co., Ltd., Shandong Huaming Welding & Cutting Equipment Co., Ltd., Ningbo Yinzhou Yongsheng Tools Manufacturing Co., Ltd., China Coal Beijing Coal Mining Machinery Co., Ltd., Henan Dafang Heavy Equipment Co., Ltd., Shaanxi Huaqin New Energy Source Technology Co., Ltd. The main drafters of this document are. Wang Zhixin, Li Xu, Qin Jing, Zhu Chengwei, Yu Haonan, Li Bin, Chen Yi, Liu Jidong, Zhu Ruifeng, Xu Guozun, and Gao Zhijie. Qi Zhende, Ding Daijie, Wang Jianping, Bao Dongsheng, Yang Zunjia, Su Chengbin, Zhao Songbai, Pang Yuanlei, Wang Songlin, Liu Yang. Gas welding equipment, welding, cutting and related processes Use a quick connector with a shut-off valve. 1.Scope This document specifies the classification, installation, design requirements, technical requirements, and test methods for quick couplings with shut-off valves. This document applies to quick couplings with shut-off valves that connect pressure reducers and welding/cutting torches used in welding, cutting, and related processes. This document applies to rubber hoses that mate with those specified in GB/T 2550 or ISO 3821 and threaded connections specified in ISO /T R28821. The quick connector used.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included. For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies. This document. GB/T 3375 Welding Terminology GB/T 22076 Pneumatic Cylindrical Quick-Connect Couplings (GB/T 22076-2024, ISO 6150.2018, MOD) GB/T 40337 Gas welding and related process equipment air tightness (GB/T 40337-2021, ISO 9090.2019, MOD) GB/T 40371 Materials for gas welding equipment, cutting and related process equipment (GB/T 40371-2021, ISO 9539. 2010, MOD) GB/T 46082.1 Safety devices for gas welding equipment – Part 1.Flame arresters (GB/T 46082.1-2025, ISO 5175-1. 2017, MOD) 3.Terms and Definitions The terms and definitions defined in GB/T 3375 and GB/T 40337, as well as the following terms and definitions, apply to this document. 3.1 Female element of internal thread connector A component of the quick connector, equipped with an automatic shut-off device in the unconnected state to prevent internal gas leakage. 3.2 maleelement The components of the quick coupling are used to connect with the internal threaded coupling element (3.1) (see Figure 1). 4.Classification Based on the gas used in their design, quick couplings are classified as follows. a) Type O – Applicable to oxygen; b) Type F – Applicable to natural gas; c) Type N---Suitable for other welding-specific gases. ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 46073-2025_English be delivered?

Answer: Upon your order, we will start to translate GB/T 46073-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 46073-2025_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 46073-2025_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.