Home Cart Quotation About-Us
www.ChineseStandard.net
SEARCH

GB/T 25368-2023 English PDF

Q: How long will the true-PDF of English version of GB/T 25368-2023 be delivered?

Upon your order, we will start to translate GB/T 25368-2023_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.

Q: Can I share the purchased PDF of GB/T 25368-2023_English with my colleagues?

Yes. The purchased PDF of GB/T 25368-2023_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Q: Does the price include tax/VAT?

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). Avoidance of Double Taxation Agreements (DTAs) between Singapore and 100+ Countries: https://www.iras.gov.sg/taxes/international-tax

Q: Do you accept my currency other than USD?

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.

Q: Should I purchase the latest version GB/T 25368-2023?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 25368-2023 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$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 25368-2023: Electronic control common rail system for diesel engines - High pressure pump
Status: Valid

GB/T 25368: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 25368-2023	189	Add to Cart	3 days	Electronic control common rail system for diesel engines - High pressure pump	Valid
GB/T 25368-2010	319	Add to Cart	3 days	Electronic control common rail fuel injection system for diesel engines -- The high-pressure supply pump -- Specifications	Obsolete

Similar standards

GB/T 8243.7 GB/T 8243.6 JB/T 11880.8 GB/T 25367 GB/T 25366

Basic data

Standard ID: GB/T 25368-2023 (GB/T25368-2023)
Description (Translated English): Electronic control common rail system for diesel engines - High pressure pump
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J94
Classification of International Standard: 27.020; 43.060.40
Word Count Estimation: 10,130
Date of Issue: 2023-09-07
Date of Implementation: 2024-04-01
Older Standard (superseded by this standard): GB/T 25368-2010
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 25368-2023: Electronic control common rail system for diesel engines - High pressure pump

---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 27.020;43.060.40 CCSJ94 National Standards of People's Republic of China Replace GB/T 25368-2010 Diesel engine electronically controlled common rail system High pressure oil supply pump assembly Published on 2023-09-07 2024-04-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

PrefaceⅠ 1 Scope 1 2 Normative reference documents 1 3 Terms and Definitions 1 4 Technical requirements 2 4.1 Fuel 2 4.2 Phase identification 2 4.3 Installation dimensions 2 4.4 Sealing 2 4.5 Fuel supply efficiency 2 4.6 Unevenness of oil supply in each cylinder 2 4.7 Cleanliness 3 4.8 Oil transfer pump performance 3 4.9 Reliability3 4.10 Appearance quality3 5 Test method 3 5.1 Test conditions 3 5.2 Sealing 4 5.3 Fuel supply efficiency test 4 5.4 Unevenness test of oil supply volume of each cylinder 4 5.5 Cleanliness determination 4 5.6 Oil transfer pump performance test 4 5.7 Reliability test 4 5.8 Appearance inspection 5 6 Inspection Rules 5 6.1 Type inspection 5 6.2 Factory inspection 5 6.3 Spot inspection 5 6.4 Sampling plan and evaluation rules 5 7 Marking, packaging, transportation and storage 6 7.1 Flag 6 7.2 Packaging 6 7.3 Transport 6 7.4 Storage 6 Reference 7

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document replaces GB/T 25368-2010 "Technical Conditions for High-pressure Fuel Supply Pump Assembly of Electronically Controlled Common Rail Injection System of Diesel Engines" and is consistent with Compared with GB/T 25368-2010, in addition to structural adjustments and editorial changes, the main technical changes are as follows. a) The term "rotor fuel supply pump" is deleted (see 3.2 of the.2010 edition); b) Added the terms "gear type oil transfer pump" and "vane type oil transfer pump" (see 3.3 and 3.4); c) Changed the description of phase identification of the fuel supply pump (see 4.2, 4.2 of the.2010 edition); d) Delete the provisions on the installation dimensions of the rotor-type oil supply pump (see 4.3 of the.2010 edition); e) Changed the pressure value of compressed air at the oil inlet of the oil supply pump (see 4.4.2,.2010 version of 4.4.2); f) Delete the provisions on the oil supply efficiency of in-line oil supply pumps and rotor oil supply pumps (see 4.5.1 and 4.5.2 of the.2010 edition); g) Delete the provisions on the unevenness of each cylinder of in-line oil supply pumps and rotor oil supply pumps (see 4.6.1 and 4.6.2 of the.2010 edition); h) The calculation formula for the unevenness of oil supply in each cylinder of the oil supply pump has been changed (see 4.6, 4.6.3 of the.2010 version); i) Delete the cleanliness requirements for the rotor fuel supply pump assembly (see 4.7.3 of the.2010 edition); j) Added cleanliness requirements for radial oil supply pump assembly (see 4.7.3); k) Delete the cleanliness requirements for oil transfer pumps (see 4.8.4 of the.2010 edition); l) The technical requirements for oil transfer pumps have been changed to those for gear type oil transfer pumps and vane type oil transfer pumps (see 4.8.4,.2010 edition 4.8.5); m) Changed the accuracy requirements for flow testers (see 5.1.2,.2010 version of 5.1.2); n) Changed the technical requirements for test oil (see 5.1.6,.2010 version of 5.1.6); o) Changed the technical requirements for oil supply pump sealing test (see 5.2,.2010 version of 5.2); p) Changed the pressure control method of the oil supply pump (see 5.3.1,.2010 version of 5.3.1); q) The requirements for the fuel supply efficiency test of the fuel supply pump have been changed (see 5.3.2, 5.3.2 of the.2010 edition); r) Changed the fuel supply pump fuel supply test method (see 5.3.3,.2010 version of 5.3.3); s) Changed the cleanliness determination method (see 5.5,.2010 version of 5.5); t) The requirements for the performance test of the oil transfer pump have been changed to comply with the provisions of JB/T 13476 (see 5.6, 5.6 of the.2010 edition); u) Changed the fuel supply pump reliability test method (see 5.7,.2010 version of 5.7); v) Added visual inspection requirements for oil supply pumps (see 5.8); w) Added inspection rules (see Chapter 6). Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is proposed by China Machinery Industry Federation. This document is under the jurisdiction of the National Fuel Injection System Standardization Technical Committee (SAC/TC396). This document was drafted by. Wuxi Oil Pump and Nozzle Research Institute of China FAW Group Co., Ltd., Wuxi Weifu High-tech Group Co., Ltd. Company, Longkou Longpump Diesel Injection Hi-Tech Co., Ltd., Nanyue Electronic Control (Hengyang) Industrial Technology Co., Ltd., Heavy Oil Hi-Tech Electronic Control Fuel Injection Co., Ltd. Injection System (Chongqing) Co., Ltd., Beiyou Electronic Control Fuel Injection System (Tianjin) Co., Ltd., Junfeng Electronic Control Technology (Dalian) Co., Ltd., Shandong Xinya Industrial Co., Ltd., Heze Hengtai Oil Pump Co., Ltd., Wenzhou Keboda Auto Parts Co., Ltd., Zhejiang Bateng Dong Power Systems Co., Ltd., Jinhu County Changsheng Power Machinery Parts Co., Ltd. The main drafters of this document. Gu Xiaolei, Gu Jian, Wu Yonghuang, Song Guomin, Luo Cong, Tang Lifeng, Li Jing, Han Liyong, Ouyang Lingxiang, Zhuang Fengzhi, Li Zhenqiang, Li Yongkui, Wang Wei, Yu Chunchao, Du Hongguang, Liu Yuandong, Ke Bingjin, Zhao Dianqiu, Feng Qinghua, Deng Fei. This document was first published in.2010 and this is the first revision. Diesel engine electronically controlled common rail system High pressure oil supply pump assembly

1 Scope

This document specifies the technical requirements, test methods, inspection rules, markings, and packaging of the high-pressure fuel supply pump assembly in the electronically controlled common rail system of a diesel engine. loading, transportation and storage. This document is applicable to high-pressure fuel supply pump assemblies of electronically controlled common rail systems used in automobiles, engineering machinery, agricultural machinery, generators and marine diesel engines. design and manufacturing.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document. GB/T 2828.1 Enumeration sampling inspection procedures Part 1.Batch-by-batch inspection sampling plan retrieved by acceptance quality limit (AQL) GB/T 10826.5 Fuel injection device vocabulary Part 5.Common rail fuel injection system GB 19147 Diesel for vehicles GB/T 25365.1 Technical conditions for diesel engine electronically controlled common rail injection system assembly Part 1.Mechanical GB/T 25366 Diesel engine electronically controlled common rail system common rail pipe assembly JB/T 6295 Piston fuel injection pump installation type and connection dimensions JB/T 12850 Cleanliness Testing of Diesel Engine Electronically Controlled Common Rail Injection System JB/T 13476 Diesel engine electronically controlled common rail system gear oil pump JB/T 13794-2020 Diesel engine electronically controlled common rail system reliability test methods and evaluation rules andsystems)

3 Terms and definitions

The following terms and definitions as defined in GB/T 10826.5 and GB/T 25365.1 apply to this document. 3.1 in-linehighpressurepump Oil pump is an oil supply pump with components arranged side by side. 3.2 oil pump feedpump A component that provides a certain low pressure to the fuel supply pump and is sufficient to suck fuel from the fuel tank to the fuel supply pump. 3.3 gear fuel supply pump gearfuelsupplypump An oil transfer pump that realizes oil transfer function through gear rotation. ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 25368-2023_English be delivered?

Answer: Upon your order, we will start to translate GB/T 25368-2023_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 25368-2023_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 25368-2023_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 25368-2023?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 25368-2023 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.