GB/T 28185-2025 English PDFUS$679.00 · In stock
Delivery: <= 6 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 28185-2025: Heat exchange unit for urban heating Status: Valid GB/T 28185: Historical versions
Basic dataStandard ID: GB/T 28185-2025 (GB/T28185-2025)Description (Translated English): Heat exchange unit for urban heating Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: P46 Classification of International Standard: 91.140.10 Word Count Estimation: 34,337 Date of Issue: 2025-01-24 Date of Implementation: 2025-08-01 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 28185-2025: Heat exchange unit for urban heating---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.National Standard of the People's Republic of China ICS 91.140.10CCS P 46 Heat exchanger for urban heating 2025-01-24 Release 2025-08-01 Implementation State Administration for Market Regulation The National Standardization Administration issued Replaces GB/T 28185-2011 Table of ContentsPreface Ⅲ 1 Scope...1 2 Normative references ...1 3 Terms and definitions 3 4 Classification and model...4 5 General Provisions 5 6 Technical Requirements...15 7 Test methods 17 8 Inspection Rules...18 9 Marking, instruction manual and product certificate 19 10 Packaging, transportation and storage 20 Appendix A (Normative) Schematic diagram of process control system of heat exchanger unit...22 Appendix B (Normative) Installation and Operation and Maintenance 26ForewordThis document is in accordance with GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standard documents" Drafting of regulations. This document replaces GB/T 28185-2011 "Heat exchange units for urban heating". Compared with GB/T 28185-2011, in addition to the structural adjustment In addition to editorial changes, the main technical content changes are as follows. a) The scope of application has been changed (see Chapter 1, Chapter 1 of the.2011 edition); b) Added some terms (see 3.2, 3.3, 3.4, 3.9); c) The classification and model of heat exchanger units have been changed (see Chapter 4, Chapter 4 of the.2011 edition); d) The provisions on rated heat load of heat exchanger units have been changed (see 5.1.1, 5.1.1 of the.2011 edition); e) The provisions for design temperature and design pressure have been changed (see 5.1.2, 5.1.2 of the.2011 edition); f) The provisions on the check valve at the pump outlet have been deleted (see 5.2.4 of the.2011 edition); g) The heat exchanger unit monitoring regulations have been changed (see 5.3, 5.3 of the.2011 edition); h) The provisions of the communication system have been changed (see 5.4, 5.3.10 of the.2011 edition); i) Added provisions for the selection of distributed water pumps (see 5.5.2.4); j) The provisions for heat meters and flow meters have been changed (see 5.5.5.5, 5.4.5.5 of the.2011 edition); k) The provisions for electric control valves have been changed (see 5.5.5.7, 5.4.5.7 of the.2011 edition); l) Added the provisions for solenoid valves (see 5.5.5.8); m) The provisions on piping materials have been changed (see 5.5.10.1, 5.4.10.1 of the.2011 edition); n) Added provisions for pipe thread processing (see 5.5.10.3); o) The provisions on pipeline welding and inspection have been modified (see 5.5.10.4, 5.4.10.4 of the.2011 edition); p) Added provisions for anti-corrosion (see 5.6); q) The provisions on thermal insulation have been modified (see 5.7, B.6 of the.2011 edition); r) Added the provisions for the heat exchanger housing (see 5.8); s) Added technical requirements for equipment and materials (see 6.2); t) Added inspection requirements for heat exchanger housing (see 6.3); u) The provisions on the pressure drop of heat exchanger units have been changed (see 6.5, 6.3 of the.2011 edition); v) Added provisions on noise and vibration (see 6.8); w) Added test methods for equipment and materials (see 7.2); x) Added the test method for the heat exchanger housing (see 7.3); y) The provisions on test pressure have been changed (see 7.4.3, 7.2.3 of the.2011 edition); z) Added the content of control system interlock protection simulation test (see 7.7.9); aa) Added the provisions of noise and vibration test methods (see 7.8); bb) Added the requirements for simulation test of control system interlock protection before delivery (see 8.1.2); cc) Added the process control flow diagram of the heat exchanger unit of the primary side distributed transmission and distribution system (see A.6 in Appendix A); dd) The installation, operation and maintenance of heat exchanger units have been changed (see Appendix B, Appendix B of the.2011 edition). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. 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 Technical Committee for Standardization of Urban Heating (SAC/TC 455). This document was drafted by. China Municipal Engineering North China Design and Research Institute Co., Ltd., Shanghai Aikesen Co., Ltd., China Urban Construction Research Institute Co., Ltd., Ruineng Taiyu (Shenyang) Energy Technology Co., Ltd., Linfen Thermal Power Supply Co., Ltd., Danfoss (China) Investment Co., Ltd., Hebei Haide Heat Exchange Equipment Co., Ltd., Beijing Shuoren Times Technology Co., Ltd., Beijing Baoneng Excellence Technology Co., Ltd. Weihai Tiangang Instrument Co., Ltd., Hangzhou Yungu Technology Co., Ltd., Hebei Siwei Energy Saving Technology Co., Ltd., Shandong Rui Cheng Energy Equipment Co., Ltd., Beijing Construction Engineering Quality Fourth Inspection Institute Co., Ltd., Luoyang Shuangrui Precision Casting Titanium Co., Ltd., Ruinazhi Energy Equipment Co., Ltd., Dalian Yiduo Pipeline Co., Ltd., Tianjin University, Xylem (China) Co., Ltd., Hebei Tongli Automatic Valve Manufacturing Co., Ltd. The main drafters of this document are. Wang Huai, Zhao Xingang, Shi Yan, Hao Liang, Wang Gang, Yan Gang, Zhang Guodong, Ren Xiaohong, Dong Qianglin, Dai Binwen, Wang Yongchao, Fu Tao, Ding Yun, Su Lijun, Jiao Shoujun, Feng Wenliang, Zhao Zhiqian, Li Xiaojun, Ren Shaochen, Ma Dandan, Ma Xiaoyu, Rong Bo, Zhao Changcun, Ma Jinggang. This document was first published in.2011 and this is the first revision. Heat exchanger for urban heating1 ScopeThis document specifies the classification and model, general provisions, technical requirements, test Test methods, test rules, marking, instruction manual, product certificate, packaging, transportation and storage. This document is applicable to heating with a design pressure not exceeding 2.5 MPa, a hot water temperature not exceeding 150°C, and a steam temperature not exceeding 350°C. Design, production and inspection of heat exchange units used in (cold) heat exchange systems.2 Normative referencesThe contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 151 Heat Exchanger GB/T 700 Carbon structural steel GB/T 706 Hot-rolled steel sections GB/T 2518 Continuously hot-dip galvanized and zinc alloy coated steel sheets and strips GB 3096 Acoustic Environment Quality Standard GB/T 4208-2017 Degrees of protection provided by enclosures (IP Code) GB/T 5338.1 Series 1 Technical requirements and test methods for containers Part 1.General purpose containers GB/T 5656 Technical requirements for centrifugal pumps (Class II) GB/T 5657 Technical requirements for centrifugal pumps (Class III) GB 5749 Sanitary standard for drinking water GB/T 7251.1 Low voltage switchgear and controlgear Part 1.General GB/T 7251.2 Low voltage switchgear and controlgear Part 2.Power switchgear and controlgear GB/T 7251.3 Low-voltage switchgear and controlgear Part 3.Distribution boards operated by general personnel (DBO) GB/T 7251.5 Low-voltage switchgear and controlgear Part 5.Public grid power distribution equipment GB/T 7251.6 Low-voltage switchgear and controlgear Part 6.Busbar trunk system (bus duct) GB/T 7251.8 Low-voltage switchgear and controlgear Part 8.General technical requirements for intelligent complete sets of equipment GB/T 7251.10 Low-voltage switchgear and controlgear Part 10.Guidelines for specifying complete sets of equipment GB/T 7306.2 55° Sealing Pipe Thread Part 2.Conical Internal Thread and Conical External Thread GB/T 8163 Seamless steel pipe for conveying fluids GB 8624-2012 Classification of combustion performance of building materials and products GB/T 9124.1 Steel pipe flanges Part 1.PN series GB/T 9125.1 Fasteners for steel pipe flange connections Part 1.PN series GB/T 9330 Plastic insulated control cable GB/T 9969 General principles for instructions for use of industrial products GB 10071 Measurement method for environmental vibration in urban areas GB/T 12235 Steel stop valves and lift check valves for petroleum, petrochemical and related industries ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 28185-2025_English be delivered?Answer: Upon your order, we will start to translate GB/T 28185-2025_English as soon as possible, and keep you informed of the progress. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 28185-2025?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 28185-2025 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
