润滑油清洁度标准ISO4406.pdf

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1、OverviewISO4406CodeCleanlinesslevelsaredefinedbythreenumbersdividedbyslashes(/.)Thesenumberscorrespondto4,6,and14micron,inthatorder.EachnumberreferstoanISORangeCode,whichisdeterminedbythenumberofparticlesforthatsize(4,6,&14µm)andlargerpresentin1mloffluid.Eac

2、hrangeisdoubletherangebelow.Refertothechartbelowtoseetheactualranges.AchievingtheappropriatecleanlinesslevelinasystemTheonlywaytoachieveandmaintaintheappropriatecleanlinesslevelinahydraulicorlubricationsystem,14/12/9istoimplementacomprehensivefiltrationprogr

3、am.HYDACoffersalloftheproductsthatareneededtodojustthat!-Theyinclude:SolidContamination•pressurefilters•returnlinefilters17/15/12•offlinefiltrationloops•oiltransferunitsforprecleaningofnewoil•portableandonlinecontaminationmonitors•reservoirbreathersandfiller

4、/breathersWaterContent•watercontentsensors20/18/15•reservoirbreatherswithsilicageldesiccant•vacuumdehydrationwaterremovalunits•waterremovalelementsFluidAnalysis•bottlesamplingkits23/21/18•completeanalysiskits3INNOVATIVEFLUIDPOWEROverviewFindingthecleanliness

5、levelrequiredbyasystem1.Startingatthelefthandcolumn,selectthemostsensitivecomponentusedinthesystem.2.Movetotherighttothecolumnthatdescribesthesystempressureandconditions.3.HereyouwillfindtherecommendedISOclasslevel,andrecommendedelementmicronrating.HighPress

6、ureVeryHighPressureLow/MediumPressure2000to2999psi3000psiandoverUnder2000psi(low/mediumwith(highpressurewith(moderateconditions)severeconditions1)severeconditions1)ISOTargetMicronISOTargetMicronISOTargetMicronLevelsRatingsLevelsRatingsLevelsRatingsPumpsFixed

7、GearorFixedVane20/18/152019/17/141018/16/135FixedPiston19/17/141018/16/13517/15/123VariableVane18/16/13517/15/123notapplicablenotapplicableVariablePiston18/16/13517/15/12316/14/113(2ValvesCheckValve20/18/152020/18/152019/17/1410Directional(solenoid)20/18/152

8、019/17/141018/16/135StandardFlowControl20/18/152019/17/141018/16/135CartridgeValve19/17/141018/16/13517/15/123ProportionalValve17/15/12317/15/12316/14/113(2ServoValve16/14/113(216/14/113(215/13/