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GB/T 38942-2020: Pressure piping code - Utility piping
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 38942-2020 | English | 1739 |
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Pressure piping code - Utility piping
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GB/T 38942-2020
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Basic data | Standard ID | GB/T 38942-2020 (GB/T38942-2020) | | Description (Translated English) | Pressure piping code - Utility piping | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J74 | | Classification of International Standard | 23.040 | | Word Count Estimation | 94,927 | | Date of Issue | 2020-06-02 | | Date of Implementation | 2020-12-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 38942-2020: Pressure piping code - Utility piping---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.
Pressure piping code - Utility piping
ICS 23.040
J74
National Standards of People's Republic of China
Pressure pipeline specification
2020-06-02 release
2020-12-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Contents
Foreword I
1 Scope 1
2 Normative references 2
3 Terms and definitions 6
4 Material 9
5 Design and calculation 16
6 Production and installation 47
7 Inspection and testing 67
8 Safe operation and maintenance 76
Appendix A (Normative Appendix) Performance Parameters of Thermal Plastic Pipes 85
Appendix B (Normative Appendix) Performance Parameters of Common Steel Pipes 87
References 88
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed and managed by the National Technical Committee for Standardization of Boilers and Pressure Vessels (SAC/TC262).
This standard was drafted by. China Municipal Engineering North China Design and Research Institute Co., Ltd., Beijing Gas Thermal Engineering Design Institute Co., Ltd.
Division, National Chemical Equipment Design and Technology Center Station, Tianjin Pipeline Engineering Group Co., Ltd., Beijing Gas Group Research Institute, Beijing Construction
The Fourth Engineering Quality Inspection Institute, Shenzhen Gas Group Co., Ltd., Hangzhou Gas Engineering Installation Co., Ltd., Ganghua Investment Co., Ltd.,
Chongqing Gas Group Co., Ltd., Zhejiang Weixing New Building Materials Co., Ltd., Shanghai Gas Engineering Design and Research Co., Ltd., Tianjin
Xuner Automatic Control Equipment Manufacturing Co., Ltd., Guangxi Jiaxun Pipeline Engineering Co., Ltd., China Special Equipment Inspection and Research Institute, Tianjin Yucheng High-tech
Engineering Design Co., Ltd., Beijing Haotene Pipeline Equipment Co., Ltd., Beijing Thermal Power Group Co., Ltd., Sichuan Xinzhongtai New Materials
Co., Ltd., Beijing Thermal Engineering Design Co., Ltd., Tangshan Xingbang Pipeline Engineering Equipment Co., Ltd., Haotian Energy Saving Equipment Co., Ltd.
Ren Company, Anyang Yihe Heating Power Co., Ltd., Tianjin Tiandilong Pipe Co., Ltd., China Urban Construction Research Institute Co., Ltd.
The main drafters of this standard. Li Yanqiang, Li Jianxun, Wang Huai, Wang Qi, Ma Hongjing, Zhao Huizhong, Yan Haipeng, Du Jianmei, Zhao Guoqiang, Wu Hongsong,
Gao Jianwen, Jin Shukui, Liao Rongping, Zhao Zhinan, Yang Yonghui, Feng Jibei, Huang Zhenglin, Cai Nuanshu, You Zihan, Wang Jingsong, Yu Yanping, Bai Dongjun, Aided Agriculture,
Yu Shandong, Chen Qiuxiong, Yang Guang, Mo Chengli, Chen Shuxian, Li Dazhi, Zhou Yang, Liu Jun, Yu Chenglin, Ji Jianli, He Renyang, Jiang Jianzhi, Jia Lihua,
Li Ping, Li Xiang, Wang Yunqi, Qiu Huawei, Zhou Yuecong, Zheng Zhongsheng, Yang Yongfeng, Liu Xiuqing, Wang Gang.
Pressure pipeline specification
1 Scope
1.1 This standard specifies the materials, design and calculation, production and installation, inspection and test, safety of public pipelines (gas pipelines and thermal pipelines).
Basic requirements related to safety such as full operation and maintenance.
1.2 This standard applies to the following urban gas pipelines and urban thermal pipelines.
a) Gas pipeline. from the gate station, storage and distribution station, various gas source plant stations and other gas plant stations to users or between plants
Pipeline and its ancillary facilities. Ancillary facilities include line valve room, pressure regulating station (including pressure regulating box), condensate tank, etc., see Figure 1 for details.
b) Thermal pipeline. from the boundary point of the heat source outlet to the boundary point of the heat user (civil or industrial), it is laid in the urban area
Steam pipeline and hot water pipeline and their auxiliary facilities are shown in Figure 2.The design pressure of the steam medium is less than or equal to 2.5MPa,
The design temperature is less than or equal to 350℃; the design pressure of the hot water medium is less than or equal to 2.5MPa, and the design temperature is less than or equal to
200℃.
1.3 This standard does not apply to the following gas pipelines and thermal pipelines.
a) Gas pipelines in the plant station in the gas system (except the pressure regulating station) and in the plant station in the heat system (except the thermal station and heat distribution station)
Thermal piping;
b) Internal gas and heat pipes for industrial users (divided by plant boundaries);
c) Commercial and residential users' internal gas pipelines (bounded by user inlet pipe valves) and thermal pipelines (bounded by thermal inlets);
d) Internal piping of gas and thermal equipment.
Explanation.
The piping system to which this standard applies
The scope of this standard does not apply
Valve chamber and pressure regulating station (including pressure regulating box) included in this standard
The gas pipeline between the substation and the gate station should be implemented in GB/T 34275.When laying in the urban built-up area, you can refer to this standard.
Figure 1 The scope of the gas pipeline system to which this standard applies
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