Path: Home > GB/T > Page498 > GB/T 44439-2024

Price & Delivery

US$959.00 · In stock · Download in 9 seconds
GB/T 44439-2024: Plastics pipes and fittings - Automatic recognition systems for electrofusion joints
Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure
Status: Valid

Std ID	Version	USD	Buy	Deliver [PDF] in	Title (Description)
GB/T 44439-2024	English	959	Add to Cart	7 days [Need to translate]	Plastics pipes and fittings - Automatic recognition systems for electrofusion joints

GB/T 44439-2024: Plastics pipes and fittings - Automatic recognition systems for electrofusion joints

---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 - Automatic recognition systems for electrofusion joints Plastic pipes and fittings Automatic identification system for electric fusion welding Plastics pipes and fittings- Automatic recognition systems for electrofusion joints (ISO 13950.2007,MOD) ICS 83.140.30 CCS G33 National Standard of the People's Republic of China Released on 2024-08-23 2025-03-01 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 Categories ... 2 5 Requirements for digital identification systems ... 2 Appendix A (Informative) Comparison table of structure numbers between this document and ISO 13950.2007 ... 4 Appendix B (Informative) Technical differences between this document and ISO 13950.2007 and their causes ... 5 Appendix C (Normative) 24-bit barcode structure and code encoding rules ... 6 Appendix D (Normative) 32-bit barcode structure and code encoding rules ... 20 Appendix E (Informative) Electromechanical Identification System ... 32 Appendix F (Informative) Adaptive Control Identification System ... 36 References ... 40

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 is required. This document is modified to adopt ISO 13950.2007 “Automatic identification system for electric fusion joints of plastics pipes and fittings”. Compared with ISO 13950.2007, this document has many structural adjustments. The comparison table of structural number changes between the two documents is shown in Appendix A. This document has more technical differences than ISO 13950.2007. A list of these technical differences and their causes is given in Appendix B. The following editorial changes were made to this document. The amendments to ISO 13950.2007/Cor 1.2008 have been incorporated, and the outer margins of the clauses involved are marked with double vertical lines. (||) is marked; Added note in 5.1.- 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 was proposed by China Light Industry Federation. This document is under the jurisdiction of the National Technical Committee for Standardization of Plastic Products (SAC/TC 48). This document was drafted by. Rosenberg (Wuxi) Pipeline Technology Co., Ltd., Yada Plastic Products Co., Ltd., Zhuotong Pipeline System (Zhongshan) Co., Ltd., Guangdong Liansu Technology Industry Co., Ltd., Xi'an Sulong Welding Equipment Co., Ltd., Rifeng New Materials Co., Ltd., Ningbo Hengyuan Precision Pipe & Valve Technology Co., Ltd., Zhejiang Zhongcai Pipeline Technology Co., Ltd., Shandong Donghong Pipe Industry Co., Ltd., Gudi Technology Co., Ltd. The main drafters of this document are. Wang Zhenchao, Wang Zhiwei, Yan Xiaoli, Song Keming, Zhao Feng, Lv Ailong, Tong Jinjin, Wang Baiti, Ni Fengyao, Li Xiaodong, and You Qi Jiang. Plastic pipes and fittings Automatic identification system for electric fusion welding

1 Scope

This document specifies the classification of the automatic identification system for electric fusion welding, the code structure of the digital identification system, establishes the coding rules, and gives Basic information of electromechanical identification system and adaptive control identification system. This document is applicable to automatic identification systems based on 24-bit and 32-bit barcodes for gas, water supply and drainage, general use or other fluid transport Communication and welding process control between electric fusion fittings and welding equipment in pipeline systems.

2 Normative references

The contents of the following documents constitute the 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. in this document. GB/T 16829 Information technology automatic identification and data collection technology bar code system specification interleaved 25 bar code GB/T 19278 General terms and definitions for thermoplastic pipes, fittings and valves GB/T 20674.2 Plastic pipes and fittings - Polyethylene system welding equipment - Part 2.Electric fusion connection

3 Terms and definitions

The terms and definitions defined in GB/T 19278 and GB/T 20674.2 and the following apply to this document. 3.1 code All natural numbers from 0 to 9. 3.2 character Numbers 0 to 9, letters or symbols. 3.3 Offset value An additional natural number added to a certain code. 3.4 Fusion cycle The method used to achieve electrofusion pipe welding. Note. It is divided into single-stage welding, multi-stage welding and temperature-controlled welding. 3.5 Constant voltage mode mode U The electric fusion welding machine uses voltage to control the welding process and keeps the input voltage constant. 3.6 Constant current mode mode I The electric fusion welding machine uses current to control the welding process and keep the input current constant. ...