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GB/T 38105-2019 English PDF

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GB/T 38105-2019: Urban heating - Steel jacket prefabricated directly buried pipes and fittings with vacuum insulating layers
Status: Valid
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GB/T 38105-2019English439 Add to Cart 4 days [Need to translate] Urban heating - Steel jacket prefabricated directly buried pipes and fittings with vacuum insulating layers Valid GB/T 38105-2019

PDF similar to GB/T 38105-2019


Standard similar to GB/T 38105-2019

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Basic data

Standard ID GB/T 38105-2019 (GB/T38105-2019)
Description (Translated English) Urban heating - Steel jacket prefabricated directly buried pipes and fittings with vacuum insulating layers
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard P46
Classification of International Standard 91.140.10
Word Count Estimation 22,282
Date of Issue 2019-10-18
Date of Implementation 2020-09-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 38105-2019: Urban heating - Steel jacket prefabricated directly buried pipes and fittings with vacuum insulating layers


---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.
Urban heating--Steel jacket prefabricated directly buried pipes and fittings with Vacuum insulating layers ICS 91.140.10 P46 National Standards of People's Republic of China Urban heating steel outer tube vacuum composite Insulation prefabricated direct buried pipe and fittings Published on.2019-10-18 2020-09-01 implementation State market supervision and administration China National Standardization Administration issued

Content

Foreword III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 2 4 structure 2 4.1 insulation pipe 2 4.2 Insulation pipe fittings 3 5 Materials and Performance 8 6 Requirements 9 6.1 Working steel pipe 9 6.2 Steel pipe fittings 9 6.3 insulation layer 9 6.4 Vacuum layer 9 6.5 Steel outer protective tube 9 6.6 Anti-corrosion layer 10 6.7 Insulation pipe 10 6.8 Insulation pipe fittings 10 7 Test method 11 7.1 Working steel pipe 11 7.2 Steel fittings 11 7.3 insulation layer 11 7.4 Vacuum layer 11 7.5 Steel outer protective tube 11 7.6 Anti-corrosion layer 11 7.7 insulation pipe 12 7.8 Insulation pipe fittings 12 8 Inspection rules 12 8.1 Factory inspection 12 8.2 Type inspection 12 9 Signs, transport and storage 14 9.1 Mark 14 9.2 Transportation 15 9.3 Storage 15 Appendix A (Normative) Insulation Joints 16 Appendix B (informative) Design, implementation and maintenance of vacuum systems 17

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the Ministry of Housing and Urban-Rural Development of the People's Republic This standard is under the jurisdiction of the National Urban Heating Standardization Technical Committee (SAC/TC455). This standard was drafted. Beijing Haotei Pipeline Equipment Co., Ltd., Beijing Heating Group Co., Ltd., China Municipal Engineering China Beijing Design and Research Institute Co., Ltd., Beijing Construction Engineering Quality Fourth Inspection Institute, China Urban Construction Research Institute Co., Ltd., Beijing Hot Force Engineering Design Co., Ltd., Xinjiang Urban and Rural Planning and Design Institute Co., Ltd., Tangshan Xingbang Pipeline Engineering Equipment Co., Ltd., Tianjin City Pipeline Engineering Group Co., Ltd. Insulation Pipe Factory, Tianjin Yugang Insulation Building Material Co., Ltd., Langfang Huayu Tianchuang Energy Equipment Co., Ltd. Dalian Kaiyuan Pipeline Co., Ltd. The main drafters of this standard. Wang Yan, Gao Hongze, Jia Lihua, Wang Huai, Bai Dongjun, Zhang Lishen, Wang Gang, Luo Yunhui, Dai Qiuping, Han Chengpeng, Hu Chunfeng, Li Zhi, Yan Bixing, Ye Lianji, Cong Shujie, Zhang Honglian. Urban heating steel outer tube vacuum composite Insulation prefabricated direct buried pipe and fittings

1 Scope

This standard specifies the terms and definitions, structure, materials and performance, requirements, and tests of prefabricated direct buried pipes and fittings for steel outer sheath vacuum composite insulation. Test methods, inspection rules, signs, transportation and storage. This standard applies to steam or design of heating medium working pressure less than or equal to 2.5MPa, design temperature less than or equal to 350 °C Hot water steel outer tube vacuum composite insulation prefabricated direct buried pipe and pipe fittings with temperature less than or equal to.200 °C (hereinafter referred to as "insulation pipe and insulation pipe" Piece").

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 699 high quality carbon structural steel GB/T 700 carbon structural steel GB/T 3091 welded steel pipe for low pressure fluid transportation GB/T 8163 seamless steel pipe for conveying fluid GB/T 8923.1.Determination of surface cleanliness of steels - Part 1 . Uncoated steel Corrosion grade and treatment grade of the surface of the steel after surface and overall removal of the original coating GB/T 9711 oil and gas industrial pipeline transportation system steel pipe Types and parameters of GB/T 12459 steel butt welded pipe fittings GB/T 13350 insulating glass wool and its products GB/T 13401 steel butt welded pipe fittings technical specification GB/T 23257 buried steel pipeline polyethylene anti-corrosion layer GB/T 28638-2012 Thermal insulation loss test and insulation effect evaluation method for thermal insulation structure of urban heating pipes GB/T 29046-2012 Method for testing technical indicators of prefabricated direct buried thermal insulation pipes for urban heating GB/T 34336 nanoporous aerogel composite insulation products CJJ28 Code for construction and acceptance of urban heating pipe network engineering CJJ/T 104-2014 Technical specification for direct heating steam pipes for towns HG/T 3831 Spray Polyurea Protective Material NB/T 47013.2 Non-destructive testing of pressure equipment - Part 2. Radiographic testing NB/T 47013.3 Non-destructive testing of pressure equipment - Part 3. Ultrasonic testing NB/T 47013.5 Non-destructive testing of pressure equipment - Part 5. Penetration testing SY/T 0063 pipeline anti-corrosion layer leak test method SY/T 0315 Technical Specification for Steel Pipe Fusion Epoxy Powder Overcoat SY/T 5037 submerged arc welded steel pipe for ordinary fluid conveying pipeline SY/T 5257 steel induction heating elbow for oil and gas transmission

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