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ASTM D7422-22
Standard Test Method for Evaluation of Diesel Engine Oils in T-12 Exhaust Gas Recirculation Diesel Engine
Name übersetzen
NORM herausgegeben am 1.4.2022
Informationen über die Norm:
Bezeichnung normen: ASTM D7422-22
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.4.2022
SKU: NS-1053730
Zahl der Seiten: 39
Gewicht ca.: 117 g (0.26 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Kategorie - ähnliche Normen:
Die Annotation des Normtextes ASTM D7422-22 :
Keywords:
cylinder liner wear, diesel engine oil, exhaust gas recirculation, lead, lubricants, oil consumption, oxidation, soot, T-12 Diesel Engine, top ring mass loss, ultra-low sulfur diesel fuel,, ICS Number Code 75.160.20 (Liquid fuels)
Ergänzende Informationen
| Significance and Use | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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5.1?This test method was developed to evaluate the wear performance of engine oils in turbocharged and intercooled four-cycle diesel engines equipped with EGR and running on ultra-low sulfur diesel fuel. Obtain results from used oil analysis and component measurements before and after test. 5.2?The test method may be used for engine oil specification acceptance when all details of the procedure are followed. |
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| 1. Scope | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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1.1?This test method covers an engine test procedure for evaluating diesel engine oils for performance characteristics, including lead corrosion and wear of piston rings and cylinder liners in an engine equipped with exhaust gas recirculation and running on ultra-low sulfur diesel fuel.1.1.1?This test method also provides the procedure for running an abbreviated length test, which is commonly referred to as the T-12A. The procedures for the T-12 and T-12A are identical with the exception of the items specifically listed in Annex A9. Additionally, the procedure modifications listed in Annex A9 refer to the corresponding section of the T-12 procedure. 1.2?The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.2.1?ExceptionWhere there is no direct SI equivalent, such as the units for screw threads, National Pipe Threads/diameters, tubing size, and single source supply equipment specifications. 1.3?This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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| 2. Referenced Documents | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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