GB/T 5771-2025 Active National standards

GB/T 5771-2025 Delivery valve of diesel fuel injection pump—Specifications

GB/T 5771-2025 Delivery valve of diesel fuel injection pump—Specifications

Publish Date: 2025-10-31 Implement Date: 2026-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 5771-2025
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: \nFuel supply system
ICS Name: Internal combustion engine
Publish Date: 2025-10-31
Implement Date: 2026-02-01
Publisher: 国家市场监督管理总局、国家标准化管理委员会
Technical Committee: 全国燃料喷射系统标准化技术委员会(SAC/TC 396)
Pages: 20 pages

Scope

本文件规定了中小功率柴油机喷油泵出油阀偶件的技术要求、检验规则及标志、包装、运输和贮存,描述了相应的试验方法。本文件适用于中小功率柴油机喷油泵出油阀偶件的设计制造。

Development Information

Drafting Units:

龙口龙泵柴油喷射高科有限公司、菏泽恒泰油咀油泵有限公司、海瑞恩精密技术(太仓)有限公司、中国第一汽车股份有限公司无锡油泵油嘴研究所、山东鑫亚工业股份有限公司、重油高科电控燃油喷射系统有限公司、龙口市非公有制经济服务中心、无锡威孚高科技集团股份有限公司、南岳电控(衡阳)工业技术股份有限公司、钧风电控科技(泰州)有限责任公司、重庆红江机械有限责任公司、绍兴市雅克汽配有限公司、山西柴油机工业有限责任公司、贵州交通职业大学、中国北方发动机研究所、山东聊城德润机电科技发展有限公司、山东菏泽华星油泵油嘴有限公司、浙江科博达工业有限公司

Drafting Persons:

韩利勇、刘远东、叶森、华弢、骆聪、于胜江、孙健、张纪、李静、邓秋明、李涛、彭琦、张祥山、李永奎、汤厥韦、张宝荣、梁昱、徐春龙、谢成华、刁艳涛、田梦江、庄才敖、陈治华

Word Count: 31 Thousand words Pages: 20 pages

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Referenced Standards

GB/T 1031-1995 Surface roughness parameters and their values GB/T 1031-2009 Geometrical Product Specifications (GPS)—Surface texture:Profile method—Surface roughness parameters and their values GB/T 1958-2004 Geometrical product Specifications(GPS)—Geometrical tolerance—Verification prescription GB/T 1958-2017 Geometrical Product Specifications(GPS)—Geometrical tolerance—Verification GB/T 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability) GB/T 8029-1987 Calibration fluid for diesel injection pump GB/T 8029-2010 Calibration fluid for diesel injection pump GB/T 10610-1998 Geometrical product Specifications(GPS)—Surface texture:Profile method—Rules and procedures for the assessment of surface texture GB/T 10610-2009 Geometrical Product Specifications(GPS)—Surface texture:Profile method—Rules and procedures for the assessment of surface texture GB/T 10826.1-2007 Fuel injection equipment—Vocabulary—Part 1:Fuel injection pump GB/T 10826.1-2025 Fuel injection equipment—Vocabulary—Part 1:Fuel injection pump GB/T 19147-2003 Automobile diesel fuels GB 19147-2009 Automobile diesel fuels GB 19147-2013f Automobile diesel fuels(Ⅳ) GB 19147-2013 Automobile diesel fuels(Ⅴ) GB 19147-2016 Automobile diesel fuels GB/T 25743-2010 Cryogenic treatment of steel parts GB/T 34891-2017 Rolling bearings—Parts made from high-carbon chromium bearing steels—Specifications for heat treatment JB/T 7661-2018 Diesel oil pump and injector product cleanliness limit and determination method JB/T 7661-2004 Diesel oil pump oil nozzle product cleanliness limit and determination method JB/T 7661-1995 The limit value and testing method for the cleanliness of diesel oil pump and nozzle JB/T 9730-2011 Jet nozzle, piston, and oil check valve assembly of diesel engine, metal morphology inspection JB/T 9730-1999 Diesel injector nozzle assembly, fuel pump plunger assembly, fuel pump oil supply valve assembly, metallurgical inspection JB/T 9730-2024 The Diesel injector nozzle assembly, plunger assembly, and oil valve assembly of the engine require metallurgical inspection JB/T 9736-2013 Spray nozzle assembly, plunger assembly, and oil discharge valve assembly: Magnetic particle inspection method JB/T 9736-1999 Spray nozzle assembly, plunger assembly, and oil-out valve assembly: Magnetic particle inspection method JB/T 12032-2015 Injection Pump Fuel Injector Component Reliability Evaluation Method, Test Method in Bench Test System, and Failure Determination Criteria GB/T 2829-2025 Sampling procedures and tables for periodic inspection by attributes(Apply to inspection of process stability)

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