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GB/T 39557-2020: Heat exchanger of household refrigerating appliance
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Heat exchanger of household refrigerating appliance
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GB/T 39557-2020
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Basic data | Standard ID | GB/T 39557-2020 (GB/T39557-2020) | | Description (Translated English) | Heat exchanger of household refrigerating appliance | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Y61 | | Classification of International Standard | 97.040.30 | | Word Count Estimation | 43,434 | | Date of Issue | 2020-12-14 | | Date of Implementation | 2021-07-01 | | Older Standard (superseded by this standard) | GB/T 23134-2008; GB/T 23133-2008 | | Regulation (derived from) | National Standard Announcement No. 28 of 2020 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 39557-2020: Heat exchanger of household refrigerating appliance---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.
(Household refrigerator heat exchanger)
ICS 97:040:30
Y61
National Standards of People's Republic of China
Replace GB/T 23133-2008, GB/T 23134-2008
Household refrigerator heat exchanger
2020-12-14 release
2021-07-01 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Table of contents
Preface Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 Classification and naming 3
5 Technical requirements 3
6 Test method 16
7 Inspection rules 25
8 Marking, packaging, transportation and storage 27
Appendix A (informative appendix) Sectional dimensions of pipeline 29
Appendix B (Normative Appendix) Heat transfer performance heating experiment test method 31
Appendix C (informative appendix) Heat transfer performance cooling (freezing) experimental test method 36
Appendix D (informative appendix) Test device structure 40
Foreword
This standard was drafted in accordance with the rules given in GB/T 1:1-2009:
This standard replaces GB/T 23133-2008 "Household Refrigerator Evaporator" and GB/T 23134-2008 "Household Refrigerator Condenser":
Compared with GB/T 23133-2008 and GB/T 23134-2008, in addition to structural adjustments and editorial changes, the main technical changes are as follows:
--- Change the evaporator and condenser in the original standard "Terms and Definitions" to heat exchangers (see Chapter 3, GB/T 23134-2008
Chapter 3 and Chapter 3 of GB/T 23133-2008);
---In "Terms and Definitions", the definitions of rotary fin heat exchanger and microchannel heat exchanger have been added (see 3:6 and 3:7);
---The classification and naming of rotary fin heat exchangers and microchannel heat exchangers have been added to the "Classification and Naming" (see 4:1:5 and 4:1:6);
---Modified the name code of the piping plate heat exchanger in "Product Specifications and Models" (see 4:2, 4:3 and GB/T 23133-2008
4:3 of GB/T 23114-2008);
---Modified the overall dimensions and limit deviations of the plate heat exchanger (see 5:2:1, GB/T 23133-2008, 5:2:1);
---Modified the outer dimensions and limit deviations of the bonding plates of tube-sheet bonded and pasted heat exchangers (see 5:2:2, GB/T 23133-2008
5:2:2);
---Modified the cross-sectional dimensions and limit deviations of the tube-sheet bonded and bonded heat exchanger coils (see 5:2:2:3:1, GB/T 23133-
5:2:2:2 of:2008);
---The size and limit deviation of finned heat exchangers, wire-tube heat exchangers, rotary fin heat exchangers and microchannel heat exchangers have been increased (see
5:2:3, 5:2:4, 5:2:5, 5:2:6);
--- Modified the evaporating plate thickness and pipe width range of the plate heat exchanger pipeline deformation and failure test, and added the note "Not applicable to the second
Carbon oxide refrigerant" (see 5:8:1, 5:8 and 5:9 of GB/T 23133-2008);
--- Modified the pressure requirements for the failure test of the plate heat exchanger, and added the note "not applicable to carbon dioxide refrigerant" (see 5:8:2,
5:8 and 5:9 of GB/T 23133-2008);
---Increase the requirements for the fixing strength of pipes and fins (see 5:15);
---Added the heat exchange performance requirements of the heat exchanger (see 5:16);
---Modified the test method for the thickness of the surface anodized film (see 6:11, 6:13 of GB/T 23133-2008);
---Added the fin fixing strength test method (see 6:15);
---Added the heat exchange performance test method of the heat exchanger (see 6:16);
---In the "mark", the explicit requirements of "heat transfer and heat transfer coefficient" have been added (see 8:1:2);
---Added the heat exchange performance test method of the heat exchanger, the heat exchange performance test method of the heat exchanger defrosting process and the correlation of the test device structure
Appendix (see Appendix B, Appendix C, Appendix D):
Please note that certain contents of this document may involve patents: The issuing agency of this document is not responsible for identifying patents:
This standard was proposed by the China National Light Industry Council:
This standard is under the jurisdiction of the National Household Appliances Standardization Technical Committee (SAC/TC46):
Drafting organizations of this standard: Changzhou Changzheng Evaporator Co:, Ltd:, Hefei Midea Refrigerator Co:, Ltd:, Changzhou Hengchuang Thermal Management Co:, Ltd:
Division, China Household Electrical Appliances Research Institute, Qingdao Haier Co:, Ltd:, Hisense (Shandong) Refrigerator Co:, Ltd:, Changzhou Wujin Shunda Precision Steel Pipe
Co:, Ltd:, Zhejiang Kangsheng Co:, Ltd:, Anhui Zungui Electric Group Co:, Ltd:
The main drafters of this standard: Hong Weiguo, Cai Ning, Fang Zhongzheng, Dong Aifang, Yan Gang, Hu Zhiqiang, Liu Jianru, Wu Xiaoli, Wang Guoqing, Zhang Xiaowei,
Zhou Jingchun and Sun Fei:
The previous versions of the standard replaced by this standard are as follows:
---GB/T 23133-2008, GB/T 23134-2008:
Household refrigerator heat exchanger
1 Scope
This standard specifies the terms and definitions, classification and naming, and technical requirements for heat exchangers for household and similar refrigerators (hereinafter referred to as refrigerators):
Requirements, test methods, inspection rules and signs, packaging, transportation and storage:
This standard applies to plate type, tube plate type, fin type, wire-tube type, spiral fin type, micro channel and other types of household refrigerator heat exchangers, and it also applies to
Corresponding types of heat exchangers (hereinafter referred to as heat exchangers) in products such as freezer/cabinet, water dispenser, wine cooler, ice maker, etc:
2 Normative references
The following documents are indispensable for the application of this document: For dated reference documents, only the dated version applies to this article
Pieces: For undated references, the latest version (including all amendments) applies to this document:
GB/T 191 Packaging, Storage and Transportation Graphic Mark
GB/T 222 The allowable deviation of the chemical composition of the finished steel
GB/T 223 (all parts) Steel and alloy chemical analysis methods
GB/T 699-2015 High-quality carbon structural steel
GB/T 1527-2017 Copper and copper alloy drawn tubes
GB/T 1531-2009 Copper and copper alloy capillary
GB/T 1731 Determination of flexibility of paint film
GB/T 1732 Test Method for Impact Resistance of Paint Film
GB/T 1771 Determination of neutral salt spray resistance of paints and varnishes
GB/T 2828:1 Sampling inspection procedure by attributes Part 1: Batch inspection sampling plan retrieved by acceptance quality limit (AQL)
GB/T 2829 Periodic Inspection Attribute Sampling Procedure and Table (Applicable to the Inspection of Process Stability)
GB/T 3880:1 General industrial aluminum and aluminum alloy plates and strips Part 1: General requirements
GB/T 4437:1 Aluminum and aluminum alloy hot extruded pipes Part 1: Seamless round pipes
GB/T 5121 (all parts) Methods for chemical analysis of copper and copper alloys
GB/T 6739 Paint and varnish pencil method for determination of paint film hardness
GB/T 9286 Cross-cut test of paint and varnish film
GB/T 13452:2 Determination of film thickness of paints and varnishes
GB/T 13793-2016 Longitudinal electric welded steel pipe
GB/T 20975 (all parts) Aluminum and aluminum alloy chemical analysis methods
GB/T 23119 Water for performance testing of household and similar electrical appliances
JG/T 21 Air cooler and air heater performance test method
HG/T:2006 thermosetting powder coating
3 Terms and definitions
The following terms and definitions apply to this document:
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