GB/T 40402-2021 English PDF

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GB/T 40402-2021: Pre-insulated composite plastic pipes with polyethylene casing
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 40402-2021	919	Add to Cart	7 days	Pre-insulated composite plastic pipes with polyethylene casing	Valid

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Basic data

Standard ID: GB/T 40402-2021 (GB/T40402-2021)
Description (Translated English): Pre-insulated composite plastic pipes with polyethylene casing
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: P46
Word Count Estimation: 46,435
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 40402-2021: Pre-insulated composite plastic pipes with polyethylene casing

---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.
Pre-insulated composite plastic pipes with polyethylene casing ICS 91.140.10 CCSP46 National Standards of People's Republic of China Polyethylene outer protective pipe prefabricated thermal insulation composite plastic pipe Released on 2021-08-20 2022-03-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Table of contents

Foreword Ⅲ Introduction Ⅳ 1 Scope 1 2 Normative references 1 3 Terms and definitions 2 4 Symbols and abbreviations 4 4.1 Symbol 4 4.2 Abbreviations 4 5 Structure, classification and code, marking 5 5.1 Structure 5 5.2 Classification and code 6 5.3 Mark 6 6 General rules 7 6.1 Use condition level 7 6.2 Maximum allowable working pressure 8 6.3 Materials 9 7 Requirements 11 7.1 Outer protective tube 11 7.2 Insulation layer 14 7.3 Working tube 15 7.4 Polyethylene outer protective pipe prefabricated thermal insulation composite plastic pipe 21 8 Test method 22 8.1 Outer protective tube 22 8.2 Insulation layer 24 8.3 Working tube 24 8.4 Polyethylene outer protective pipe prefabricated thermal insulation composite plastic pipe 29 9 Inspection rules 31 9.1 Inspection classification 31 9.2 Batching and grouping 31 9.3 Type inspection 31 9.4 Factory inspection 32 9.5 Type inspection 35 9.6 Eligibility determination 35 10 Marking, transportation and storage 35 10.1 Sign 35 10.2 Transportation 35 10.3 Storage 35 Appendix A (informative) Flexible reinforced thermal insulation composite plastic pipe work pipe maximum allowable working pressure 36 Reference 39

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. This document was proposed by the Ministry of Housing and Urban-Rural Development of the People's Republic of China. This document is under the jurisdiction of the National Urban Heating Standardization Technical Committee (SAC/TC455). Drafting organizations of this document. China Academy of Building Research Co., Ltd., Science and Technology and Industrialization Development Center of Ministry of Housing and Urban-Rural Development, China Plastics Processing Industry Association, Fujian Hengjie Plastic New Material Co., Ltd., Yonggao Co., Ltd., Tianjin Junxing Pipe Industry Group Co., Ltd., Lin Haiweixing New Building Materials Co., Ltd., Widis (Shandong) Piping System Co., Ltd., Tianjin Hongtai Pipe Industry Co., Ltd., Chinaust Plastic Products Co., Ltd. Co., Ltd., Zibo Jielin Plastic Pipe Co., Ltd., Guangdong Liansu Technology Industrial Co., Ltd., Zhejiang Zhongcai Pipeline Technology Co., Ltd., Japan Feng Enterprise Group Co., Ltd., Ningxia Qinglong Plastic Pipe Co., Ltd., National Construction Engineering Quality Supervision and Inspection Center, Beijing Construction Project The Fourth Quality Inspection Institute, Jilin Songjiang Plastic Pipe Equipment Co., Ltd., Hubei Jinniu Pipe Industry Co., Ltd., Beijing Thermal Equipment Manufacturing Co., Ltd., Hongyue Plastic Group Co., Ltd., Weihai Shifeng Plastic Co., Ltd., Gudi Technology Co., Ltd., Jilin Province Industry Co., Ltd., Harbin Langest Energy Saving Technology Co., Ltd., Dalian Kehua Heating Pipeline Co., Ltd., Tangshan Xingbang Pipeline Project Equipment Co., Ltd., Langfang Huayu Tianchuang Energy Equipment Co., Ltd., Haotian Energy-saving Equipment Co., Ltd., Shanghai Yueda Energy-saving Technology Co., Ltd. company. The main drafters of this document. Huang Jiawen, Wang Zhanjie, Li Yan, Bai Dongjun, Lin Wenzhuo, Huang Jian, Xu Jianqin, Li Dazhi, Xia Yan, Xue Yanchao, Xiong Zhaoju, Qu Guiran, Wu Yuan, Jin Jijing, Li Yongfeng, Gao Yuanjie, Li Xin, Wang Haorong, Dong Bobo, Yu Xiaojiao, Jia Lihua, Zhang Weifeng, Wang Qian, Xu Huili, Zhong Junkun, Wang Hui, Wang Qingbo, Qiu Xiaoxia, Duan Wenyu, Zheng Zhongsheng, Gong Yujie, Cai Xinhua.

Introduction

The issuing agency of this document draws attention to the fact that when the declaration conforms to this document, it may involve 5.1.1 and a continuous multi-layer thermal insulation composite pipe, The use of a patent related to corrosion-resistant low-temperature direct-buried thermal insulation heating pipes. The issuing agency of this document has no position on the authenticity, validity and scope of the patent. The holder of the patent has assured the issuing organization of this document that it agrees to license any organization free of charge on a fair, reasonable, and non-discriminatory basis Or an individual implements a patent when implementing the national standard. The statement of the patent holder has been filed with the issuing agency of this document. Relevant information can be Obtained through the following contact information. Name of the patent holder for "a continuous multi-layer thermal insulation composite pipe". Zibo Jielin Plastic Pipe Co., Ltd. Address. No. 6, Qingtian Road, Qilu Chemical Industrial Park, Linzi District, Zibo City, Shandong Province Contact. Xue Yanchao Name of patent holder for "a corrosion-resistant low-temperature direct-buried thermal insulation heating pipe". Tianjin Zhongcai Profile Co., Ltd. Address. No. 55, 11th Street, Economic and Technological Development Zone, Binhai New Area, Tianjin Contact. Gao Yuanjie Please note that in addition to the above patents, certain contents of this document may still involve patents. The issuing agency of this document is not responsible for identifying patents responsibility. Polyethylene outer protective pipe prefabricated thermal insulation composite plastic pipe

1 Scope

This document specifies the structure, classification, code, marking, general regulations, requirements, and tests of prefabricated thermal insulation composite plastic pipes for polyethylene outer protective pipes. Methods, inspection rules, marking, transportation and storage. This document applies to prefabricated thermal insulation composite plastic pipes with polyethylene outer protective pipes used in heating and cooling systems.

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations Only the version corresponding to that 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 1040.1 Determination of tensile properties of plastics Part 1.General GB/T 1040.2 Determination of tensile properties of plastics Part 2.Test conditions for molding and extrusion plastics GB/T 2828.1-2012 Sampling inspection procedures by attributes Part 1.Batch inspection sampling searched by acceptance quality limit (AQL) plan GB/T 3681 Plastic natural weathering weathering, solar weathering weathering after glass filtration, and Fresnel lens accelerating solar weathering weathering Exposure test method GB/T 3682.1 Determination of Melt Mass Flow Rate (MFR) and Melt Volume Flow Rate (MVR) of Plastic Thermoplastics Part 1.Standard Method GB/T 4217 Nominal outer diameter and nominal pressure of thermoplastic pipes for fluid transportation GB/T 6111 Thermoplastic piping system for fluid transportation-Determination of internal pressure resistance GB/T 6343 Determination of Apparent Density of Foam Plastic and Rubber GB/T 6671-2001 Thermoplastic pipe longitudinal shrinkage determination Determination of the Vicat softening temperature of GB/T 8802 thermoplastic pipes and fittings GB/T 8804.1 Determination of tensile properties of thermoplastic pipes-Part 1.General rules of test methods GB/T 8804.2 Determination of tensile properties of thermoplastic pipes Part 2.Unplasticized polyvinyl chloride (PVC-U), chlorinated polyvinyl chloride (PVC-C) and high impact polyvinyl chloride (PVC-HI) pipes GB/T 8804.3 Determination of tensile properties of thermoplastic pipes-Part 3.Polyolefin pipes GB/T 8806 Determination of the dimensions of plastic parts in plastic piping systems GB/T 8810 Determination of Water Absorption of Rigid Foam Plastic GB/T 8813 Determination of the compressive properties of rigid foam GB/T 9345.1 Determination of ash content of plastics Part 1.General method GB/T 9647 Thermoplastic pipe ring stiffness determination GB/T 10798 Thermoplastic pipe general wall thickness table GB/T 10799 Determination of the volume percentage of open and closed cells of rigid foam GB/T 13021 Determination of carbon black content of polyethylene pipes and fittings (thermal weight loss method) ......

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