GB/T 5772-2010Injector nozzle for diesel - Specifications (English PDF)
柴油机喷油嘴偶件 技术条件
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
November 10, 2010
Implementation date
March 1, 2011
Scope
GB/T 5772-2010 is the English-translated version of 柴油机喷油嘴偶件 技术条件.
GB/T 5772-2010 is the Chinese standard "Injector nozzle for diesel - Specifications". Its scope clause reads: This standard specifies the technical requirements, test methods, inspection rules for small and medium power diesel injection nozzles, logos, packaging, transport and Storage.
This standard applies to small and medium power diesel injection nozzles (hereinafter referred to as injection nozzles). Its clauses include technical requirements.
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Document preview — GB/T 5772-2010
National Standard of the People's Republic of China
- ICS
- 27.020
- Classification
- J 94
- Replacing
- GB/T 5772-1986
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
1 Scope
This standard specifies the technical requirements, test methods, inspection rules for small and medium power diesel injection nozzles, logos, packaging, transport and
Storage.
This standard applies to small and medium power diesel injection nozzles (hereinafter referred to as injection nozzles).
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB 252-2000 light diesel oil
GB/T 1031 Geometrical product specifications (GPS) Surface texture Profile method Surface roughness parameters and their values
GB/T 1958 Geometrical Product Specifications (GPS) shape and position tolerance testing requirements
GB/T 2828.1-2003 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch test sample
Programme (ISO 2859-1.1999, IDT)
GB/T 2829-2002 periodic inspection Sampling procedures and tables (suitable for process stability test)
GB/T 3077-1999 alloy structural steel (neqDINEN10083-1.1991)
GB/T 8029 diesel injection pump (GB/T 8029-2010, ISO 4113.1998, Roadvehicles-
Calibrationfluidfordieselinjectionequipment, NEQ)
GB/T 9943-2008 high speed tool steel (ISO 4957.1999, Toolsteels, NEQ)
GB/T 18254-2002 high carbon chromium bearing steel
JB/T 6293-2006 diesel injector test hand-pressure Injector Checker
JB/T 8121 diesel fuel injection pump test bench with high-pressure hose assembly
JB/T 9730 diesel injection nozzles, fuel pump Plunger, fuel pump outlet valve member metallographic examination
JB/T 9734 fuel injection pump test bench conditions
JB/T 9736 injector coupled parts, Plunger, Delivery Valve magnetic particle testing method
JB/T 51184 injection nozzles for the evaluation of the reliability of the method, test methods and failure determination
YB/T 5302-2006 high-speed tool steel
3 Technical requirements
3.1
injection nozzles shall be prescribed by the procedures approved products manufacturing drawings and technical documents, and comply with the requirements of the standard.
3.2
needle valve needle valve body and materials as specified below.
3.2.1
needle valve body is made of carbon steel or 25SiCrMoVA 18Cr2Ni4WA manufacture GB/T 3077-1999 stipulated; needle
Adopted GB/T 9943-2008 or YB/T 5302-2006 specified in W6Mo5Cr4V2 or W18Cr4V or W4Mo3Cr4VSi
W9Mo3Cr4V or high speed tool steel manufacturing.
3.2.2
needle valve body and needle may be used GCr15 high carbon chromium bearing steel GB/T 18254-2002 prescribed.
3.2.3
Regardless of the material, the steel should not appear naphthalene-shaped fracture tissue.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Cited by
- JB/T 12737-2016Remanufactured internal combustion engines - Fuel injector assembly process specifications
- JB/T 11416-2013Reliability assessment of fuel injector assemblies - Evaluation methods, test methods, failure classification and criteria
- JB/T 9729-2011The samples of tightness tests of diesel injector nozzle plunger and delivery valve of fuel injection pump - Specifications
Similar standards
Editions of GB/T 5772
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 5772-2010 | Injector nozzle for diesel - Specifications | current edition | Current |
| GB/T 5772-1986 | Injector nozzle for diesel - Specifications | previous edition | Superseded |
This page sells the current edition, GB/T 5772-2010. Earlier editions are listed for reference only.
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