ASTM D7517-2009 431 Standard Specification for Fully-Formulated 1 3 Propanediol (PDO) Base Engine Coolant for Heavy-Duty Engines《重型发动机用全调配1 3丙二醇(PDO)基发动机冷却剂的标准规范》.pdf
《ASTM D7517-2009 431 Standard Specification for Fully-Formulated 1 3 Propanediol (PDO) Base Engine Coolant for Heavy-Duty Engines《重型发动机用全调配1 3丙二醇(PDO)基发动机冷却剂的标准规范》.pdf》由会员分享,可在线阅读,更多相关《ASTM D7517-2009 431 Standard Specification for Fully-Formulated 1 3 Propanediol (PDO) Base Engine Coolant for Heavy-Duty Engines《重型发动机用全调配1 3丙二醇(PDO)基发动机冷却剂的标准规范》.pdf(4页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: D 7517 09Standard Specification forFully-Formulated 1,3 Propanediol (PDO) Base EngineCoolant for Heavy-Duty Engines1This standard is issued under the fixed designation D 7517; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revi
2、sion, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers the requirements for fully-formulated glycol base coolants for cooling sys
3、tems of heavy-duty engines. When concentrates are used at 40 to 60 % PDOconcentration by volume in water of suitable quality, (seeAppendix X1), or when prediluted PDO base engine coolants(50 volume % minimum) are used without further dilution,they will function effectively during both winter and sum
4、mer toprovide protection against corrosion, cavitation, freezing, andboiling.1.2 The coolants governed by this specification are catego-rized as follows:Coolant Type DescriptionI-FF 1,3 Propanediol base concentrateII-FF 1,3 Propanediol predilute (50 vol %)1.3 Coolant concentrates meeting this specif
5、ication do notrequire any addition of Supplemental Coolant Additive (SCA)until the first maintenance interval when a maintenance dose ofSCA is required to continue protection in certain heavy-dutyengine cooling systems, particularly those of the wet cylinderliner-in-block design. The SCA additions a
6、re defined by andare the primary responsibility of the engine manufacturer orvehicle manufacturer. If they provide no instructions, followthe SCA suppliers instructions.1.4 The values stated in SI units are to be regarded as thestandard. The values given in parentheses are for informationonly.1.5 Th
7、is standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documen
8、ts2.1 ASTM Standards:2D 512 Test Methods for Chloride Ion In WaterD 516 Test Method for Sulfate Ion in WaterD 1126 Test Method for Hardness in WaterD 1287 Test Method for pH of Engine Coolants and Anti-rustsD 1293 Test Methods for pH of WaterD 4327 Test Method for Anions in Water by ChemicallySuppre
9、ssed Ion ChromatographyD 4725 Terminology for Engine CoolantsD 5827 Test Method for Analysis of Engine Coolant forChloride and Other Anions by Ion ChromatographyD 5828 Test Method for Compatibility of SupplementalCoolant Additives (SCAs) and Engine Coolant Concen-tratesD 6130 Test Method for Determi
10、nation of Silicon and OtherElements in Engine Coolant by Inductively CoupledPlasma-Atomic Emission SpectroscopyD 7518 Specification for 1,3 Propanediol (PDO) Base En-gine Coolant for Automobile and Light-Duty ServiceE 394 Test Method for Iron in Trace Quantities Using the1,10-Phenanthroline Method2.
11、2 Other Documents3Federal Method 2540B Total Dissolved Solids Dried at103-105C3. Terminology3.1 Definitions:3.1.1 supplemental coolant additive (SCA), nan additiveused in conventionally inhibited heavy-duty engine coolantsrequired to maintain protection against general corrosion,cylinder liner pitti
12、ng, and scaling in heavy-duty engines.3.1.2 For other definitions used in this specification, refer toTerminology D 4725.1This specification is under the jurisdiction of ASTM Committee D15 onEngine Coolants and is the direct responsibility of Subcommittee D15.07 onSpecifications.Current edition appr
13、oved April 1, 2009. Published May 2009.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Standard Method for t
14、he Examination of Water and Wastewater, AmericanPublic Health Association, et al, 1015 15th Street, N.W. Washington, DC 20005.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.4. General Requirements4.1 Concentrated and prediluted cool
15、ants shall meet all ofthe respective requirements of Specification D 7518.4.2 The coolant concentrate mixed with water or the predi-luted coolant, when maintained with maintenance does of SCAin accordance with the engine manufacturers recommenda-tions, and those on the product label, shall be suitab
16、le for usein a properly maintained cooling system in normal service fora minimum of two years (See Appendix X1).5. Additional Requirements5.1 The coolant concentrate or prediluted coolant addition-ally shall provide protection in operating engines againstcavitation corrosion (also termed liner pitti
17、ng) and againstscaling of internal engine hot surfaces. Hot surfaces typicallyare within the engine head, head spacer, upper cylinder liner, orliquid cooled exhaust manifold. ASTM has test methods underdevelopment for both cavitation corrosion and hot surfacescaling. Until these procedures are appro
18、ved as ASTM stan-dards, the mandatory requirements of Annex A1 shall apply.5.2 Both the concentrated and prediluted coolants shallcontain less than 50 g/g sulfate ion.6. Keywords6.1 1,3-propanediol; cavitation; fully-formulated heavy-duty engine coolant; maintenance dose; PDO; supplementalcoolant ad
19、ditiveANNEXA1. CHEMICAL REQUIREMENTS FOR FULLY FORMULATED HEAVY-DUTY ENGINE COOLANTA1.1 Laboratory data or in-service experience demonstrat-ing a positive influence on reducing cavitation corrosion in anoperating engine is required.A1.1.1 In-service qualification tests may consist of single-or multi
20、ple-cylinder engine tests.At the option of the engine orvehicle manufacturer, such testing may be conducted in “looseengines (that is, engines modified to induce liner cavitation)”or in engines fully integrated into an application, such as avehicle, a powerboat, or a stationary power source. One suc
21、htest has been developed.4A1.2 Several chemical compositions have been testedextensively by producers and users and satisfactorily minimizecylinder liner cavitation in actual test engines. Coolants meet-ing either of the following compositions are regarded aspassing the requirements of A1.1.A1.2.1 A
22、 minimum concentration of nitrite (as NO2)of1200 g/g in the 50 volume % predilute coolant, orA1.2.2 A minimum combined concentration of nitrite (asNO2) plus molybdate (as MoO42) in the 50 volume %predilute coolant of 780 g/g. At lest 300 g/g each of NO2and MoO42must be present.A1.2.3 The above conce
23、ntrations are doubled for coolanttemperature.A1.3 Chemical composition requirements for cavitationcorrosion protection will be removed from this specificationand replaced with anASTM test method when a test method isdeveloped and adopted.A1.4 Both concentrated and prediluted coolants under thisspeci
24、fication must contain additives to minimize hot surfacescaling deposits. Certain additives (polyacrylate and othertypes) minimize the deposition of calcium and magnesiumcompounds on heat rejecting surfaces. No specific chemicalrequirements for hot surface scaling and deposits resistancehave been est
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