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GB/T 39380.2-2022 English PDF

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GB/T 39380.2-2022: Chlorinated poly (vinyl chloride)(PVC-C) piping system for fire sprinkler installations - Part 2: Fittings
Status: Valid
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GB/T 39380.2-2022English419 Add to Cart 4 days [Need to translate] Chlorinated poly (vinyl chloride)(PVC-C) piping system for fire sprinkler installations - Part 2: Fittings Valid GB/T 39380.2-2022

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Basic data

Standard ID GB/T 39380.2-2022 (GB/T39380.2-2022)
Description (Translated English) Chlorinated poly (vinyl chloride)(PVC-C) piping system for fire sprinkler installations - Part 2: Fittings
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G33
Classification of International Standard 83.140.30
Word Count Estimation 20,251
Date of Issue 2022-10-12
Date of Implementation 2023-05-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 39380.2-2022: Chlorinated poly (vinyl chloride)(PVC-C) piping system for fire sprinkler installations - Part 2: Fittings


---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.
Chlorinated poly (vinyl chloride)(PVC-C) piping system for fire sprinkler installations - Part 2.Fittings ICS 83.140.30 CCSG33 National Standards of People's Republic of China Chlorinated polyvinyl chloride (PVC-C) for sprinkler Piping systems part 2.fittings instalations-Part 2.Fittings Released on 2022-10-12 2023-05-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee

table of contents

Preface I Introduction II 1 Scope 1 2 Normative references 1 3 Terms and Definitions, Symbols and Abbreviations 2 4 Material 2 5 Product Category 3 6 Requirements 3 7 Test method 6 8 Inspection rules 8 9 Labeling, packaging, transportation and storage 10 Appendix A (Normative) Predicted hydrostatic strength reference curve for chlorinated polyvinyl chloride (PVC-C) pipe fittings material 11 Appendix B (informative) Installation length of solvent-bonded fittings (Z-length) 13 Appendix C (Informative) Typical Structure and Dimensions of Flanged Fittings 14 Reference 15

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. This document is Part 2 of GB/T 39380 "Chlorinated Polyvinyl Chloride (PVC) Piping Systems for Sprinklers". GB/T 39380 The following parts have been published. --- Part 1.Pipes; --- Part 2.Fittings. Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by China National Light Industry Council. This document is under the jurisdiction of the National Plastic Products Standardization Technical Committee (SAC/TC48). This document was drafted by. Chongqing Hongyi Technology Co., Ltd., Youli Holding Group Co., Ltd., Yonggao Co., Ltd., Guangdong Liansu Branch Technology Industry Co., Ltd., Gudi Technology Co., Ltd., Zhongshan Huanyu Industrial Co., Ltd., Shandong Xiangsheng New Material Technology Co., Ltd., China Fire Rescue College, Beijing Technology and Business University. The main drafters of this document. Fu Zhimin, Hu Xuzhang, Huang Jian, Li Tongyi, Li Xianmei, Zeng Zhenguo, Guo Tao, He Anqi, Xiang Aimin.

Introduction

Chlorinated polyvinyl chloride (PVC-C) pipes are resistant to acid and alkali corrosion and will not rust. The flow area of the pipeline is reduced or even blocked due to the oxidation and corrosion of iron in the pipeline. When a fire occurs, high-pressure water spray is required but the water supply pressure of the pipeline Insufficient power or even nozzle clogging and other problems. The application of chlorinated polyvinyl chloride (PVC-C) piping system as building fire protection piping in the United States and other foreign countries It has been used for more than 30 years, and foreign experience proves that the product has good usability and safety under the premise of standardized construction, but The popularization and application in our country has been relatively slow. GB/T 39380 "Chlorinated Polyvinyl Chloride (PVC) Piping System for Sprinklers" series standards have key technical indicators such as pressure resistance of materials. Standards are determined according to GB/T 18252-2020 (ISO 9080.2012), all grading requirements, long-term performance prediction theory and international standards All are consistent to ensure the safe service life of the piping system for 50 years. In view of the current development status of PVC-C compounding materials in my country and the mature application experience abroad for many years, GB/T 39380 also recognizes Pipes made from PVC-C compounds that can be graded to grade 4120 according to ASTM D2837-13.This document was developed with reference to the UL1821, ASTMF439, ASTMF438, ASTMF437 and other standards related to chlorinated polyvinyl chloride (PVC-C) pipes, in key The technical indicators are consistent with the requirements of foreign standards. GB/T 39380 consists of two parts. --- Part 1.Pipes. The purpose is to standardize the requirements and test methods of chlorinated polyvinyl chloride (PVC-C) pipe products for sprinkler fire extinguishing Laws, inspection rules and other relevant requirements; --- Part 2.Fittings. The purpose is to standardize the requirements and test methods of chlorinated polyvinyl chloride (PVC-C) pipe fittings for sprinkler fire extinguishing Laws, inspection rules and other relevant requirements. In order to ensure the effective use and promotion of related products, and promote and standardize the development of the industry, it is formulated in parts according to different product functions. For the design and installation technical specifications of this document, please refer to GB 50084-2017 "Code for Design of Automatic Sprinkler Fire Extinguishing" and other related documents. Chlorinated polyvinyl chloride (PVC-C) for sprinkler Piping systems part 2.fittings

1 Scope

This document stipulates that the chlorinated polyvinyl chloride (PVC-C) compounding material is used as the raw material, and the chlorinated polyvinyl chloride (CPVC) for sprinkler fire extinguishing is injection molded. (PVC-C) pipe fittings (hereinafter referred to as "pipe fittings") materials, product classification, requirements, test methods, inspection rules and signs, packaging, transportation and storage. This document is applicable to the working pressure specified in GB 50084 not greater than 1.2MPa, and the ambient temperature not lower than 4°C and not higher than 70°C pipe fittings are used for automatic sprinkler systems in places where the fire hazard level is light hazard level and medium hazard level I. This document, together with Part 1 of GB/T 39380, applies to the plastic piping system specified in GB 50084.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, 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 density of plastics and non-cellular plastics - Part 1.Immersion method, liquid pycnometer method and titration method GB/T 1040.2 Determination of tensile properties of plastics - Part 2.Test conditions for molded and extruded plastics GB/T 1633-2000 Determination of Vicat softening temperature (VST) of thermoplastics GB/T 1843 Determination of Izod Impact Strength of Plastics GB/T 2828.1 Counting sampling inspection procedure Part 1.Batch-by-batch inspection sampling plan retrieved by acceptance quality limit (AQL) GB/T 2918 Standard environment for conditioning and testing of plastic specimens GB 5135.1-2019 Automatic sprinkler system - Part 1.Sprinklers GB/T 5135.19-2010 Automatic sprinkler system Part 19.Plastic pipes and fittings GB/T 6111 Determination of internal pressure resistance of thermoplastic piping systems for fluid transportation GB/T 7139 Determination of Chlorine Content in Plastic Vinyl Chloride Homopolymers and Copolymers GB/T 7306 (all parts) 55° sealing pipe thread GB/T 8802 Determination of Vicat softening temperature of thermoplastic pipes and fittings GB/T 8803 Injection molding rigid polyvinyl chloride (PVC-U), chlorinated polyvinyl chloride (PVC-C), acrylonitrile-butadiene-styrene three Thermal oven test method for metapolymer (ABS) and acrylonitrile-styrene-acrylate terpolymer (ASA) pipe fittings GB/T 8806 Determination of Dimensions of Plastic Parts in Plastic Piping Systems GB/T 15560 Hydraulic instantaneous burst and pressure test method of plastic pipes for fluid transportation GB/T 18252 Plastic piping systems use the extrapolation method to determine the long-term hydrostatic strength of thermoplastic materials in the form of pipes GB/T 19278-2018 Thermoplastic pipes, fittings and valves general terms and their definitions GB/T 39380.1-2021 Chlorinated polyvinyl chloride (PVC-C) piping systems for sprinkler use - Part 1.Pipes GB 50084 Code for Design of Automatic Sprinkler System

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