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GB/T 19700-2023 English PDF

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Q: Should I purchase the latest version GB/T 19700-2023?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 19700-2023 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.

US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 19700-2023: Test method of thermal property for marine heat exchanger
Status: Valid

GB/T 19700: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 19700-2023	279	Add to Cart	3 days	Test method of thermal property for marine heat exchanger	Valid
GB/T 19700-2005	88	Add to Cart	1 days	Test method of thermal property for marine heat exchanger	Obsolete

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Basic data

Standard ID: GB/T 19700-2023 (GB/T19700-2023)
Description (Translated English): Test method of thermal property for marine heat exchanger
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: U42
Classification of International Standard: 47.020.50
Word Count Estimation: 14,140
Date of Issue: 2023-03-17
Date of Implementation: 2023-10-01
Older Standard (superseded by this standard): GB/T 19700-2005
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 19700-2023: Test method of thermal property for marine heat exchanger

---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.
ICS 47.020.50 CCSU42 National Standards of People's Republic of China Replacing GB/T 19700-2005 Test method for thermal performance of marine heat exchangers Released on 2023-03-17 2023-10-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules for Standardization Documents" drafting. This document replaces GB/T 19700-2005 "Test Method for Thermal Performance of Marine Heat Exchangers". Compared with GB/T 19700-2005, In addition to structural adjustments and editorial changes, the main technical changes are as follows. a) Added quantitative requirements for flow stability in test conditions [see 4.2b)]; b) Changed the test medium requirements (see 4.4, 3.7 of the.2005 edition); c) The accuracy requirements for measuring instruments have been changed (see 4.5, 3.6 of the.2005 edition); d) Added test environment requirements such as cleanliness, electromagnetic interference, and grounding in the test room (see 5.3, 5.4); e) Added specific installation requirements for temperature measuring instruments [see 7.1.1b) and 7.1.1c)]; f) Changed the installation requirements for pressure and flow measuring instruments [see 7.1.1e), 7.1.1f), 7.2.1d), 7.2.1e), 7.3.1d) and 7.3.1e), 6.1.4, 6.1.5, 6.2.4, 6.2.5, 6.3.4 and 6.3.5 of the.2005 edition]; g) Changed the frequency of data collection (see 7.1.2, 6.1.6 of the.2005 edition); h) Increased test methods for variable working conditions (see 7.1.3, 7.2.3, 7.3.3); i) Added requirements for drawing performance curves (see 8.5). Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed and managed by the National Marine Machinery Standardization Technical Committee (SAC/TC137). This document is drafted by. China State Shipbuilding Corporation Comprehensive Technical and Economic Research Institute, Nantong CSSC Machinery Manufacturing Co., Ltd., Hubei Difeng Heat Exchanger Co., Ltd., Daye Srill Heat Exchanger Co., Ltd., Taizhou Longjiang Chemical Machinery Technology Co., Ltd., Siping Juyuan Hanyang Plate Heat Exchanger Co., Ltd., Jiangsu Xingzhou Ship Equipment Co., Ltd., Qingdao Ruhai Ship Engineering Co., Ltd., Hangzhou Shenshi Energy Saving Division Technology Co., Ltd. The main drafters of this document. Wei Huaxing, Gu Guiping, Miao Lan, Fan Julan, Zhang Ping, Xiang Xiangyong, Xiong Conggui, Li Wenkong, Liu Kai, Zhao Lixin, Zhu Chunmin, Zhang Wenquan, Shen Weili, Zhao Bo, Lu Bing. This document was first released in March.2005, and this is the first revision. Test method for thermal performance of marine heat exchangers

1 Scope

This document specifies the test system, test environment, test items, test Programs, data processing, test reports, etc. This document is applicable to thermal performance tests of various heat exchangers such as marine coolers, condensers, heaters, etc. Thermal performance of heat exchange elements The test can be used for reference. This document does not apply to marine heat exchangers with toxic, flammable, explosive, highly corrosive fluids and cryogenic liquids as the medium.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 151-2014 heat exchanger GB/T 2497 Marine Diesel Engine Charge Air Cooler GB 11122-2006 diesel engine oil GB/T 18816 General Specifications for Marine Heat Exchangers

3 Terms and Definitions

This document does not have terms and definitions that need to be defined.

4 Test system

4.1 The test system consists of temperature regulating equipment for cold and hot media, flow regulating equipment, temperature, pressure and flow measuring instruments, pumps, pipelines and Connecting device, computer processing system, etc. 4.2 The test system should have the function of automatically controlling the temperature and flow of the test medium. When the medium flow and temperature are adjusted to the specified working conditions, the stability Afterwards, the test is carried out, and the deviation of temperature and flow rate at each working point during the test process is specified as follows. a) The temperature deviation should not exceed ±0.5°C; b) The flow deviation should not exceed ±1%. 4.3 All measuring instruments (pressure gauges, differential pressure gauges, thermometers, flow meters, etc.) period. 4.4 The test medium is selected as follows. a) The oil cooler uses diesel engine oil with quality grade CC and viscosity grade not less than 30 in GB 11122-2006 as the oil The unified test medium of the cooler, the test medium of the water cooler is clean fresh water, the test medium of the gas cooler is air, the test medium The cooling medium is all clean fresh water; b) The oil heater uses diesel engine oil with quality grade CC and viscosity grade not less than 30 in GB 11122-2006 as the oil The uniform test medium of the heater, the test medium of the water heater is clean fresh water, and the test heating medium can be superheated steam (superheated steam ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 19700-2023_English be delivered?

Answer: Upon your order, we will start to translate GB/T 19700-2023_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 19700-2023_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 19700-2023_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.

Question 5: Should I purchase the latest version GB/T 19700-2023?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 19700-2023 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.