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ID:41389905
大小:2.80 MB
页数:81页
时间:2019-08-23
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1、SteelFittingsIntroductionMaterialsresultinginacoatingof.0002"thick,yetPetroleumorMineralOilBasedprovidingfullprotectionagainstelectro-AllWeatherheadFittingsareavailableHydraulicFluids–aregoodgenerallyticaction,threadseizureorcorrosiveinavarietyofalloysonspeci
2、alorder.purposefluidsavailableinafullrangeactionofhydraulicfluids.ofviscosityspecifiedasSAE10,20,30,CarbonSteelFittings–areprecisionThelubricityoftherust-proofsolventetc.Thesefluidsarenotfireresistant,machinedfromAISI12L14carbonfilmmeasurablyreducestheamounto
3、fmakingthemunsuitableforusewheresteel.Shapedfittingssuchaselbowstorquerequiredtomakeleak-proofcon-thereisapotentialsourceofignition.andteeswitha“C”prefixaremadefromnections.ALLWeatherhead®fittingsandO-ringshigh-densityforgings.Shapedfittingswitha“TF”prefixare
4、brazed.StraightZincPlated–Weatherhead®fittingsarecanbeusedwiththesefluids.fittingsarefrombarstock.givenanelectrolyticcoating.0002"thickStraightSyntheticHydraulicFluids–minimum.isageneraltermappliedtosuchprod-StainlessSteelFittings–aremadefromtype316stainless.
5、StandardStainlessSteel–fittingsaresupplieductsasPydraul,Lindol,Cellulubes90,Ermeto®flarelesssleevesaremadewithnaturalsurfacefinishexcepttube150,180,220,etc.usedwherefirehaz-from17-4PHprecipitationhardenednutswhicharecoatedwithabondedardsarehigh.Weathercote™fi
6、nishfit-stainless.dry-filmlubricant(black)toreducetingsarerecommendedforthistypeassemblytorqueandpreventgallingoffluid.O-ringsMUSTbemadeofaofthreads.AllWeatherhead®Stainless“Butyl”compound,ortheywill“swell”FinishesSteelFittingsarepassivatedtoremovewhencontact
7、edbysyntheticfluids.microscopicforeignparticlesfromtheWater-BasedHydraulicFluids–surfaceofstainlesssteelasrequired.consistgenerallyofamixtureofwaterProcessalsoleavesafilmofcorrosionandpoly-glycols.Theyarenon-flamma-protection.bleandservethesamepurposeastheHyd
8、raulicFluidssynthetictypes.OnlyWeathercote™Weathercote™–isanexclusivefinishfittingsarerecommendedforWeatherhead®trademarkforapro-Modernhydraulicsystemsinusetodaythistypeoffluid.Zincplatef
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