GB/T 20674.1-2020 English PDFUS$599.00 · In stock
Delivery: <= 6 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 20674.1-2020: Plastics pipes and fittings. Equipment for fusion jointing polyethylene systems - Part 1: Butt fusion Status: Valid GB/T 20674.1: Historical versions
Basic dataStandard ID: GB/T 20674.1-2020 (GB/T20674.1-2020)Description (Translated English): Plastics pipes and fittings. Equipment for fusion jointing polyethylene systems - Part 1: Butt fusion Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: G33 Classification of International Standard: 83.140.30 Word Count Estimation: 32,370 Date of Issue: 2020-11-19 Date of Implementation: 2021-06-01 Older Standard (superseded by this standard): GB/T 20674.1-2006 Quoted Standard: GB 2894; GB/T 3505; GB/T 4208; GB/T 5013.4; GB/T 11337-2004; GB/T 19278-2018; GB 19517-2009; GB/T 20674.3; GB/T 20674.4; GB/T 32434 Adopted Standard: ISO 12176-1-2017, MOD Regulation (derived from): National Standard Announcement No. 26 of 2020 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration Summary: This standard specifies the terms and definitions, classification, requirements, power supply, test methods, auxiliary devices and random documents, maintenance, inspection rules, and signs of hot-melt butt equipment for polyethylene (PE) piping systems heated by electric heating plates (referred to as fusion equipment) , Packaging, transportation and storage. This standard, together with other parts of GB/T 20674, is applicable to welding equipment for polyethylene pipes and fittings for gas/water supply. The gas pipes and fittings comply with GB/T 15558 (all parts), drinking water and general pressure water delivery The pipes and fittings used comply with GB/T 13663 (all parts). GB/T 20674.1-2020: Plastics pipes and fittings. Equipment for fusion jointing polyethylene systems - Part 1: Butt fusion---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. Plastics pipes and fittings - Equipment for fusion jointing polyethylene systems - Part 1.Butt fusion ICS 83.140.30 G33 National Standards of People's Republic of China Replace GB/T 20674.1-2006 Polyethylene system welding equipment for plastic pipes and fittings Part 1.Butt Fusion 2020-11-19 released 2021-06-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee ForewordGB/T 20674 "Plastic pipes and pipe fittings polyethylene system welding equipment" is divided into 4 parts. ---Part 1.Hot Fusion Butt; ---Part 2.Electrofusion connection; ---Part 3.Operator code; ---Part 4.Traceable coding. This part is Part 1 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 20674.1-2006 "Plastic pipes and pipe fittings polyethylene system welding equipment Part 1.Hot melt Next, compared with GB/T 20674.1-2006, the main technical changes are as follows. ---Deleted the operating temperature range; added a note about the application range of hot melt docking equipment (see Chapter 1, Chapter 1 of the.2006 edition); ---Relevant terms and definitions have been revised (see Chapter 3, Chapter 3 of the.2006 edition); ---Modified the equipment classification, and added a note about the working temperature, larger diameter and larger wall thickness of the hot fusion butt equipment. (See Chapter 4, Chapter 4 of the.2006 edition); ---Added appearance, safety, and cable requirements (see 5.1~5.3); --- Deleted the manual system (see.2006 version 5.2.2); ---Modified the interchangeability requirements of fixtures from Note to text (see 5.4.1, 5.1.1 of the.2006 edition); ---Added the unique coding and identification of hot melt docking equipment and the mobile identification requirements of the movable fixture (see 5.4.1.1); ---Modified the switching time requirements of hot melt docking equipment (see 5.4.2.1,.2006 version 5.1.2.1); ---Modified the maximum clearance requirements (see 5.4.2.2,.2006 version 5.1.2.2); ---Modified the maximum axial deviation requirements after the support roller is removed (see 5.4.2.3,.2006 edition 5.1.2.3); ---Added the unique coding requirement of the transmission system hot melt docking equipment (see 5.5.1); ---Relevant requirements for drag pressure compensation have been modified; relevant requirements for net force and interface force have been added (see 5.5.2,.2006 edition 5.2.5); ---Added the unique code identification of hot melt docking equipment (see 5.6.1, 5.7.1); ---Added the power supply voltage rated frequency requirements (see Chapter 6); ---Added the switching time test method, added the interface force test method; added the automatic hot melt docking equipment test method, Modified the rigidity test method under bending conditions and the heating plate test method (see Chapter 7, Chapter 7 of the.2006 edition); ---Added maintenance related requirements (see Chapter 9); ---Added periodic inspections and requirements, and revised the relevant requirements for factory inspection and type inspection (see Chapter 10, Chapter 9 of the.2006 edition); ---Added relevant information about equipment signs (see Chapter 11); ---Added other performance requirements for automatic hot melt docking equipment (see Appendix C); --- Added classification and code characterization (see Appendix D). This part uses the redrafting method to modify and adopt ISO 12176-1.2017 "Plastic pipes and pipe fittings polyethylene system welding equipment No. Part 1.Hot Fusion Butt. Compared with ISO 12176-1.2017, this part has more structural adjustments. This part and ISO 12176-1 are listed in Appendix A. The.2017 chapter number comparison list. Compared with ISO 12176-1.2017, this part has technical differences. 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. 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. Chinaust Plastic Products Co., Ltd., Xi'an Sulong Welding Equipment Co., Ltd., Rosenborg (Wuxi) Pipeline Technology Co., Ltd., Ganghua Huixin Engineering Plastics (Zhongshan) Co., Ltd., Guangzhou Special Pressure Equipment Testing and Research Institute, China Petroleum & Chemical Corporation Company Beijing Research Institute of Chemical Industry, Jinan Bada Plastic Pipe Welding Equipment Co., Ltd., Nansu Building Materials Plastic Products (Shenzhen) Co., Ltd., Jilin Province Mart Pipeline Co., Ltd., Beijing Gas Group Research Institute. The main drafters of this section. Wang Zhiwei, Zhao Feng, Wang Zhenchao, Kong Debin, Wu Wendong, Hu Fa, Tan Liwei, Wang Wenbi, Wang Haorong, Lei Sumin, Li Yu. The previous versions of the standards replaced by this part are as follows. ---GB/T 20674.1-2006. Polyethylene system welding equipment for plastic pipes and fittings Part 1.Butt Fusion1 ScopeThis part of GB/T 20674 specifies the heat-fusion butting equipment for polyethylene (PE) piping system heated by electric heating plates (referred to as fusion equipment) Terms and definitions, classification, requirements, power supply, test methods, auxiliary devices and random documents, maintenance, inspection rules, signs, packaging, transportation and Store. This part, together with other parts of GB/T 20674, is applicable to welding equipment for polyethylene pipes and fittings for gas/water supply. Gas pipes and fittings comply with GB/T 15558 (all parts), and pipes and fittings for drinking water and general pressure water transmission comply with GB/T 13663 (All parts). Note. Welding equipment is used for prefabricated connection of gas/water supply components (such as valves, steel-plastic conversion, etc.) or 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 referencesThe 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 2894 Safety signs and guidelines for their use GB/T 3505 Product Geometric Technical Specification (GPS) Surface structure profile method terms, definitions and surface structure parameters (GB/T 3505-2009, ISO 4287.1997, IDT) 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 11337-2004 Flatness error detection GB/T 19278-2018 General terms and definitions for thermoplastic pipes, fittings and valves GB 19517-2009 National Electrical Equipment Safety Technical Code 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- 2020, ISO 12176-4..2003, MOD) GB/T 32434 Plastic pipes and pipe fittings, polyethylene (PE) pipes and pipe fittings for gas and water distribution systems (GB/T 32434-2015, ISO 21307.2011, MOD)3 Terms and definitionsThe following terms and definitions defined in GB/T 19278-2018 apply to this document. 3.1 frame An independent support device composed of a clamp and two or more guide elements. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 20674.1-2020_English be delivered?Answer: Upon your order, we will start to translate GB/T 20674.1-2020_English as soon as possible, and keep you informed of the progress. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 20674.1-2020?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 20674.1-2020 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. |
