GB/T 41486-2022 English PDF

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GB/T 41486-2022: Corrugated metal hose assemblies for domestic drinking water pipes
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 41486-2022	349	Add to Cart	4 days	Corrugated metal hose assemblies for domestic drinking water pipes	Valid

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Basic data

Standard ID: GB/T 41486-2022 (GB/T41486-2022)
Description (Translated English): Corrugated metal hose assemblies for domestic drinking water pipes
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J15
Word Count Estimation: 17,184
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 41486-2022: Corrugated metal hose assemblies for domestic drinking water pipes

---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.
Corrugated metal hose assemblies for domestic drinking water pipes ICS 23.040.70 CCSJ15 National Standards of People's Republic of China Corrugated metal hose for drinking water pipeline Published on 2022-04-15 2022-11-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Product Structure and Specifications 1 4.1 Product Structure 1 4.2 Product Specifications 2 5 Requirements 2 5.1 Materials 2 5.2 Manufacturing 3 5.3 Appearance 3 5.4 Size 3 5.5 Nondestructive testing of welds 4 5.6 Bellows Flattening Test 4 5.7 Hygiene evaluation 4 5.8 Performance 4 6 Inspection method 5 6.1 Appearance 5 6.2 Size 5 6.3 Non-destructive testing of welds 5 6.4 Bellows Flattening Test 5 6.5 Hygiene evaluation6 6.6 Performance 6 7 Inspection rules 10 7.1 Inspection classification 10 7.2 Factory inspection 10 7.3 Type test 11 8 Marking, packaging, transportation, storage and installation 11 8.1 Signs 11 8.2 Packaging 12 8.3 Transport 12 8.4 Storage 12 8.5 Installation 12 Reference 14

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" drafted. Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by China Machinery Industry Federation. This document is under the jurisdiction of the National Standardization Technical Committee of Pipeline Accessories (SAC/TC237). This document is drafted by. Shijiazhuang Juli Technology Co., Ltd., Aerospace Chenguang Co., Ltd., National Instruments Quality Supervision and Inspection Center, Jiangsu Special Equipment Safety Supervision and Inspection Research Institute, Hebei Industrial Vocational and Technical College, Taiwan Chengdui Industrial Co., Ltd. Co., Ltd., Qinhuangdao North Pipe Industry Co., Ltd., Zhejiang Zhengkang Industrial Co., Ltd. The main drafters of this document. Liu Xibin, Chen Zhengbiao, Yu Zhenyi, Li Yanfu, Zhu Qingnan, Zhu Huihong, Shi Yanlin, Chen Yunqing, Hu Xiangyang, Wei Shouliang, Yu Tengzhong, Zhang Weiming. Corrugated metal hose for drinking water pipeline

1 Scope

This document specifies the terms and definitions, product structure and specifications, requirements, inspection methods, inspection inspection rules, marking, packaging, transportation, storage and installation. This document applies to the use of drinking water piping systems for compensating displacement, installation deviation, ground subsidence, absorbing vibration and reducing noise. The corrugated metal hose (hereinafter referred to as the hose) used has a nominal size range of DN50~DN400, the working temperature is not more than 80 °C, and the design pressure is Not more than 1.6MPa. The hoses for drinking water pipelines whose nominal size is less than DN50 and other working conditions can be implemented by reference.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 191 Graphical signs of packaging, storage and transportation GB/T 246 Test method for flattening of metal pipes GB/T 1220 stainless steel rod GB/T 3280 Stainless Steel Cold Rolled Steel Plate and Strip GB/T 4237 Stainless steel hot-rolled steel sheet and strip GB/T 4240 stainless steel wire GB/T 14525-2010 General technical conditions for corrugated metal hoses GB/T 14976 Stainless steel seamless steel pipe for fluid transportation GB/T 17219 Safety Evaluation Standard for Drinking Water Transmission and Distribution Equipment and Protective Materials GB/T 24511 Stainless steel and heat-resistant steel plates and strips for pressure equipment GB/T 30788 Code for operation of externally wound anti-corrosion cold-wound petrolatum tape for steel pipes NB/T 47010 Stainless steel and heat-resistant steel forgings for pressure equipment NB/T 47013.2 Non-destructive testing of pressure equipment - Part 2.Radiographic testing NB/T 47013.5 Nondestructive Testing of Pressure Equipment Part 5.Penetrant Testing NB/T 47014 Welding procedure qualification for pressure equipment SY/T 0414 Technical standard for anti-corrosion coating of polyolefin adhesive tapes for steel pipes

3 Terms and Definitions

Terms and definitions defined in GB/T 14525-2010 apply to this document.

4 Product structure and specifications

4.1 Product Structure The hose is generally composed of corrugated pipe, mesh sleeve, nozzle and flange, etc. The typical structure of the hose is shown in Figure 1. ......

Image     

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