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GB/T 20674.2-2020 English PDF

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Q: Should I purchase the latest version GB/T 20674.2-2020?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 20674.2-2020 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$559.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 20674.2-2020: (Plastic pipes and fittings Polyethylene system welding equipment - Part 2: Electrofusion connection)
Status: Valid

GB/T 20674.2: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 20674.2-2020	559	Add to Cart	5 days	(Plastic pipes and fittings Polyethylene system welding equipment - Part 2: Electrofusion connection)	Valid
GB/T 20674.2-2006	799	Add to Cart	4 days	Plastics pipes and fittings -- Equipment for fusion jointing polyethylene systems -- Part 2: Electrofusion	Obsolete

Similar standards

GB/T 19472.1 GB/T 19472.2 GB/T 21302 GB/T 45331 GB/T 20674.4 GB/T 20674.1

Basic data

Standard ID: GB/T 20674.2-2020 (GB/T20674.2-2020)
Description (Translated English): (Plastic pipes and fittings Polyethylene system welding equipment - Part 2: Electrofusion connection)
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G33
Word Count Estimation: 30,359
Date of Issue: 2020-11-19
Date of Implementation: 2021-06-01
Older Standard (superseded by this standard): GB/T 20674.2-2006
Regulation (derived from): National Standard Announcement No. 26 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 20674.2-2020: (Plastic pipes and fittings Polyethylene system welding equipment - Part 2: Electrofusion connection)

---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.
(Plastic pipes and fittings Polyethylene system welding equipment Part 2.Electrofusion connection) ICS 83.140.30 G33 National Standards of People's Republic of China Replace GB/T 20674.2-2006 Polyethylene system welding equipment for plastic pipes and fittings Part 2.Electrofusion connection (ISO 12176-2.2008,MOD) 2020-11-19 released 2021-06-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Foreword

GB/T 20674 "Plastic pipes and pipe fittings polyethylene system welding equipment" is divided into the following 4 parts. ---Part 1.Hot Fusion Butt; ---Part 2.Electrofusion connection; ---Part 3.Operator code; ---Part 4.Traceable coding. This part is Part 2 of GB/T 20674. This section was drafted in accordance with the rules given in GB/T 1.1-2009. This part replaces GB/T 20674.2-2006 "Plastic pipes and pipe fittings polyethylene system welding equipment Part 2.Electrofusion Next. Compared with GB/T 20674.2-2006, the main technical changes in this part are as follows. --- Increased the input voltage range of the electric welding machine (see Chapter 1); ---Modified the normative references (see Chapter 2, Chapter 2 of the.2006 edition); ---Modified terms and definitions (see Chapter 3, Chapter 3 of the.2006 edition); ---Modified the content of Chapter 4; Added the corresponding description table of the names, features, and codes of different types of electric welding machines (see Chapter 4, Chapter 4 of the.2006 edition); ---Added the requirements for splice record content and splice data transmission format and other technical requirements (see 5.1.6.3); --- Added appearance and safety requirements (see 5.2 and 5.3); ---Adjust the contents of the original Appendix B to Chapter 5 (see 5.7, Appendix B of the.2006 edition); --- Increase the resistance value deviation range (see 5.8); ---Added the total energy deviation range requirement (see 5.9.1); ---Adjust the technical requirements of "input voltage", "frequency" and "short circuit" to the necessary safety program modules, collectively referred to as safety program modules (see 5.10, 5.2.5.3.1, 5.2.5.3.2 and 5.2.5.3.3 of the.2006 edition); ---Adjust the contents of the original Chapter 6 to Chapter 5 (see 5.11, Chapter 6 of the.2006 edition); ---Added the ambient temperature compensation function (see 5.11.4.3); ---Added the requirements of the memory warning prompt and the monitoring content of the splicing process (see 5.12); ---Adjust the test conditions of shock performance and vibration performance to Chapter 5 and Chapter 7 (see 5.13 and 7.13, 5.3.1 of the.2006 edition 5.3.2 and 7.13, 7.14); ---Adjust the contents of the original Appendix C and Appendix D to Chapter 7 (see 7.13, Appendix C and Appendix D of the.2006 edition); ---Adjust the power requirements to Chapter 6, and increase the input power supply rated frequency deviation range requirements (see Chapter 6,.2006 edition 5.2.2); ---Increase the basic requirements inspection, and adjust the relevant content (see 7.1, 7.1 in the.2006 edition); --- The total quality inspection has been deleted, and the appearance inspection has been added (see 7.2, 7.2 in the.2006 edition); --- Added safety inspection (see 7.3); ---Modified the minimum measured resistance value in the "Electrofusion Welding Machine to Resistance Measurement Accuracy Inspection". Change "0.25Ω" to "0.4Ω" (see 7.8.1.2, 7.7.2 of the.2006 edition); ---Added the splicing process monitoring and inspection (see 7.12); --- Deleted technical documents (see Chapter 9 of the.2006 edition); ---Added random document requirements (see Chapter 8); --- Added maintenance requirements (see Chapter 9); ---Adjust the original Chapter 8 to Chapter 10, add periodic inspections and requirements, and modify the relevant requirements for factory inspection and type inspection (See Chapter 10, Chapter 8 of the.2006 edition); ---Divided the signs into permanent signs and other information, and added other information content (see Chapter 11, Chapter 10 of the.2006 edition); ---Added packaging, transportation and storage requirements (see Chapter 12); ---Added the feature code representation method of the electrofusion welding machine (see Appendix C); ---Added the technical requirements for the intelligent development of automatic electric fusion welding machines (see Appendix D). This part uses the redrafting method to modify and adopt ISO 12176-2.2008 "Plastic pipes and pipe fittings polyethylene system welding equipment No. Part 2.Electrofusion connection. Compared with ISO 12176-2.2008, this part has many structural adjustments. Appendix A lists this part and ISO 12176-2. The.2008 chapter number comparison list. Compared with ISO 12176-2.2008, there are technical differences between this part and ISO 12176-2.2008.The clauses related to 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 section also made the following editorial changes. ---The electric fusion welding machine is used for the prefabricated connection of gas/water supply components (such as valves, steel-plastic conversion, etc.) or for nuclear power pipes, Instructions for connecting PE-RT pipes, industrial pipes, composite pipes, etc. for cold and hot water (see Note 2 in Chapter 1). Please note that certain contents of this document may involve patents. The issuing agency of this document is not responsible for identifying these patents. This part was proposed by the China National Light Industry Council. This part is under the jurisdiction of the National Plastic Products Standardization Technical Committee (SAC/TC48). Drafting organizations of this section. Xi'an Sulong Welding Equipment Co., Ltd., Chinaust Plastic Products Co., Ltd., Guangzhou Special Pressure Equipment Testing and Research Institute Research Institute, Ganghua Huixin Engineering Plastics (Zhongshan) Co., Ltd., Sichuan Yingjie Electric Co., Ltd., Rosenborg (Wuxi) Pipeline Technology Co., Ltd. Company, China Petroleum & Chemical Corporation Beijing Research Institute of Chemical Industry, Beijing Gas Group Research Institute, Nansu Building Materials Plastic Products (Shenzhen) Co., Ltd., Smart Pipeline Co., Ltd. of Jilin Province. The main drafters of this section. Zhao Feng, Wang Zhiwei, Li Maodong, Kong Debin, Feng Bo, You Qijiang, Hu Fa, Lei Sumin, Wu Chuhua, Wang Haorong, Ma Jianping. The previous versions of the standards replaced by this part are as follows. ---GB/T 20674.2-2006. Polyethylene system welding equipment for plastic pipes and fittings Part 2.Electrofusion connection

1 Scope

This part of GB/T 20674 specifies the terminology and terms of polyethylene (PE) piping system electrofusion connection equipment (hereinafter referred to as "electrofusion welder") Definition, classification, requirements, test methods, random documents, maintenance, inspection rules, marking, packaging, transportation and storage. This part, together with other parts of GB/T 20674, is applicable to gas/water supply polyethylene pipes and pipe fittings with welding equipment. Polyethyl The pipes and fittings for olefin gas meet the requirements of GB/T 15558 (all parts), and the pipes and fittings for drinking water and general pressure water delivery are Meet the requirements of GB/T 13663 (all parts). This section applies to electric fusion welding machines controlled by voltage or current, and electric fusion welding machines are suitable for pipe fittings heated by resistance wire. The electric welding machine is divided into three input voltage levels. P1 voltage (SVLV, not greater than 50V); P2 voltage (LV, greater than 50V and not Greater than 250V); P3 voltage (HV, greater than 250V and not greater than 400V). The normal working environment temperature range of the electric welding machine is -10℃~40℃. Note 1.If the ambient temperature is out of the range, it will be agreed upon by both parties. Note 2.Electrofusion welding machine is used for prefabricated connection of gas/water supply components (such as valves, steel-plastic conversion, etc.) or used for nuclear power pipes, PE-RT pipes for cold and hot water, When connecting industrial pipes, composite pipes, etc., the supply and demand parties shall negotiate and agree.

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 article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB/T 2423.5 Environmental Test Part 2.Test Method Test Ea and Guideline. Impact (GB/T 2423.5-2019, IEC 60068-2-27.2008, IDT) GB/T 2423.10 Environmental Test Part 2.Test Method Test Fc. Vibration (Sine) (GB/T 2423.10-2019, IEC 60068-2-6.2007, IDT) GB 2894 Safety signs and guidelines for their use GB/T 4208 enclosure protection class (IP code) (GB/T 4208-2017, IEC 60529.2013, IDT) GB/T 5013.4 Rubber insulated cables with rated voltages of 450/750V and below Part 4.Flexible wires and flexible cables (GB/T 5013.4- 2008, IEC 60245-4..2004, IDT) GB/T 5013.6 Rubber insulated cables with rated voltages of 450/750V and below Part 6.Electric welding machine cables (GB/T 5013.6- 2008, IEC 60245-6.1994, IDT) GB/T 19212.1-2016 Safety of transformers, reactors, power supply units and their combinations Part 1.General requirements and tests (IEC 61558-1.2009,MOD) GB/T 19212.5 Safety regulations for transformers, reactors, power supply units and similar products with a power supply voltage of 1100V and below Part 5.Special requirements and tests for isolation transformers and power supply devices with built-in isolation transformers (GB/T 19212.5-2011, IEC 61558-2-4.2009, IDT) GB/T 20674.3 Polyethylene system welding equipment for plastic pipes and fittings-Part 3.Operator code (GB/T 20674.3- 2020, ISO 12176-3.2011, MOD) GB/T 20674.4 Polyethylene system welding equipment for plastic pipes and fittings-Part 4.Traceability coding (GB/T 20674.4- ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 20674.2-2020_English be delivered?

Answer: Upon your order, we will start to translate GB/T 20674.2-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 20674.2-2020_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 20674.2-2020_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.

Question 5: Should I purchase the latest version GB/T 20674.2-2020?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 20674.2-2020 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.