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GB/T 40967-2021 English PDF

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GB/T 40967-2021: Polyethylene(PE)pipes and fittings for nuclear power plants
Status: Valid
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GB/T 40967-2021English839 Add to Cart 3 days [Need to translate] Polyethylene(PE)pipes and fittings for nuclear power plants Valid GB/T 40967-2021

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Basic data

Standard ID GB/T 40967-2021 (GB/T40967-2021)
Description (Translated English) Polyethylene(PE)pipes and fittings for nuclear power plants
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G33
Word Count Estimation 46,434
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 40967-2021: Polyethylene(PE)pipes and fittings for nuclear power plants

---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.
Polyethylene(PE)pipes and fittings for nuclear power plants ICS 83.140.30 CCSG33 National Standards of People's Republic of China Polyethylene (PE) pipes and fittings for nuclear power plants Released on 2021-11-26 2022-06-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Table of contents

Foreword Ⅰ Introduction Ⅱ 1 Scope 1 2 Normative references 1 3 Terms and definitions 2 4 Symbols and abbreviations 3 5 Material 4 6 Pipe fitting classification 7 7 Requirements 7 8 System suitability 24 9 Test method 25 10 Inspection rules 29 11 Marking, packaging, transportation and storage 32 Appendix A (informative) HDS at different operating temperatures 34 Appendix B (informative) Comparison and application of two classification methods 35 Appendix C (normative) Pressure calculation of welded pipe fittings 37 Appendix D (normative) Bending test method for hot melt butt joints 39 References 42

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 of Standardization Documents" Drafting. Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents. This document was proposed by the China National Light Industry Council. This document is under the jurisdiction of the National Plastic Products Standardization Technical Committee (SAC/TC48). Drafting organizations of this document. Cangzhou Mingzhu Plastic Co., Ltd., Shanghai Nachuan Nuclear New Material Technology Co., Ltd., Shanghai Zhongsu Pipe Industry Co., Ltd., Chinaust Plastic Products Co., Ltd., Shanghai Nuclear Engineering Research and Design Institute Co., Ltd., China Nuclear Power Engineering Co., Ltd., PetroChina Chemical Co., Ltd. Beijing Research Institute of Chemical Industry, Jiangsu Galaxy Group Co., Ltd., Zhejiang Weixing New Building Materials Co., Ltd., Beijing Engineering Business University. The main drafters of this document. Chi Yongsheng, Feng Jian, Feng Fei, Li Yu, Wu Shuang, Li Haizhu, Hua Ye, Kuang Hongwei, Lu Guoqiang, Xiang Aimin, Sun Jin, Xu Haiyun and Chang Wencheng.

Introduction

At present, domestic plastic pipes use metric series, but most of the cooling water pipes used in nuclear power plants use IPS series. For supporting use, the pipe size in this document gives both the metric series and the IPS series for users to choose and use. Polyethylene (PE) pipes and fittings for nuclear power plants

1 Scope

This document stipulates that polyethylene pipes (hereinafter referred to as pipes) and injection molded polyethylene (PE) blends as raw materials are extruded Or machined or welded polyethylene pipe fittings (hereinafter referred to as pipe fittings) material, pipe fitting classification, requirements, system applicability, test method Laws, inspection rules, signs, packaging, transportation and storage. This document is applicable to nuclear power plant cooling water and general cooling water with water temperature not greater than 60℃ and hydrostatic design stress (HDS) not greater than 6.90MPa Use polyethylene pipes and fittings for pressure water delivery. Note 1.The reference working temperature is 23℃. Appendix A gives the hydrostatic design stress (HDS) of polyethylene pipes with a working temperature between 0℃ and 60℃. This document is suitable for DN (IPS series) 1/2in (21.3mm) ~ 54in (1371.1mm) and dn (metric series) 16mm~ 1600mm polyethylene pipes and fittings. Note 2.The purchaser has the responsibility to appropriately select the products specified in this document according to their specific application requirements and in combination with relevant regulations, standards or specifications.

2 Normative references

The content of the following documents constitutes an indispensable clause of this document through normative references in the text. Among them, dated quotations Only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to This document. GB/T 1033.1 Determination of the density of plastic non-foam plastics Part 1.Immersion method, liquid pycnometer method and titration method GB/T 1033.2 Determination of the density of plastic non-foam plastics Part 2.Density gradient column method GB/T 2828.1 Sampling Inspection Procedures by Attributes Part 1.Batch Inspection Sampling Plan Retrieved by Acceptance Quality Limit (AQL) GB/T 2918 Standard environment for condition adjustment and testing of plastic samples GB/T 3682.1 Plastic thermoplastic melt mass flow rate (MFR) and melt volume flow rate (MVR) measurement Part 1.Standard Methods GB/T 6111-2018 Determination of the internal pressure resistance of thermoplastic piping systems for fluid transportation GB/T 8806 Determination of the dimensions of plastic parts in plastic piping systems GB/T 13021 Determination of carbon black content of polyethylene pipes and fittings (thermal weight loss method) GB/T 13663.1-2017 Polyethylene (PE) piping system for water supply Part 1.General GB/T 13663.3 Polyethylene (PE) piping system for water supply Part 3.Pipe fittings GB/T 15560-1995 Hydraulic instantaneous blasting and pressure test method for plastic pipes for fluid transportation GB/T 18251 Determination of the dispersion of pigments or carbon black in polyolefin pipes, pipe fittings and mixtures GB/T 18252 Plastic piping systems use extrapolation to determine the long-term hydrostatic strength of thermoplastic materials in the form of pipes GB/T 19278 General terms and definitions for thermoplastic pipes, fittings and valves GB/T 19280 Thermoplastic pipes for fluid transport-Determination of resistance to rapid crack propagation (RCP) Small size steady state test (S4 test) GB/T 19466.6 Plastic Differential Scanning Calorimetry (DSC) Part 6.Oxidation Induction Time (Isothermal OIT) and Oxidation Induction Determination of temperature (dynamic OIT) GB/T 19806 Extrusion peel test of polyethylene electrofusion components for plastic pipes and pipe fittings Preparation of GB/T 19807 plastic pipes and fittings, polyethylene pipes and electrofusion fittings combined test pieces

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