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GB/T 39557-2020 English PDF

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US$799.00 · In stock
Delivery: <= 6 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 39557-2020: Heat exchanger of household refrigerating appliance
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 39557-2020	799	Add to Cart	6 days	Heat exchanger of household refrigerating appliance	Valid

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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Older Standard (superseded by this standard): GB/T 23134-2008; GB/T 23133-2008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

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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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 39557-2020_English be delivered?

Answer: Upon your order, we will start to translate GB/T 39557-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 6 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 39557-2020_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 39557-2020_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.