Product Datasheet

HDFC-NDepth Filter Element

•Removesmicroparticles

•Removesfreeanddissolvedwatercontamination

•Increasessystemreliability

•Preventssystemcorrosion

•Reducescomponentwear

•ExtendsoillifeandgeneratesCO2savings

•Reducesoperatingcosts

•Highdirtandwaterretentioncapacity

Filter Element Change IntervalsTakingintoconsiderationthehighdirtandwaterretentioncapacity,thefilterchangeintervalscanbeindividuallydeterminedaccordingtothecontaminationandvolumeoftheoil.Withanormalmachineinstallationtherecommendedelementchangefrequencyis500operatinghours/30,000kmor6months(whichevercomesfirst).Wherethemachineoperatesinadverseconditionsthischangefrequencyshouldbereduced

to250operatinghours/15,000km.Regardlessofoperatingconditionsamaximumfilterchangeintervalof6monthsshouldbeobserved.

DisposalUsedfilterelementsshouldbedisposedofinaccordancewithlocalregulationsandaremadefromfullycombustiblematerials.

IMPORTANT NOTE-ADDITIVESInmodernlubricantsadditivesaredissolvedinthebaseoil.AdditivelevelswillthereforenotbereducedbytheCARDEVfilterelement.Byremovingcontaminantsthatcouldotherwiseactascatalysts,additiveandoillifeisextended.

Action of Filter ElementThefilterelementactsbyabsorbingwaterandadsorbingparticlesinacontinuousrecyclingprocess.Thelongcellulosefibresabsorbwater(bothfreeanddissolved)formedeitherthroughthecombustionprocessorbycondensation/contamination.Largeroilmoleculesareforcedtopassbetweenthetightwindingsoftheelement.

Byremovingupto99.9%watercontamination,

theproductionofacids(hydrolysis)isinhibited.Astheoilpassesthroughtheelement,minuteparticlesofcarbon,wearmetalsandsiliconareextractedfromtheoilbyadheringtothemanysurfacesofthefilter.

Bycontinuouslyremovingwaterandparticlecontaminationtheageingeffectofsuchcatalystsisminimised.ThisenablestheoillifetobeextendedwhilstmaintainingtheoilwithinthespecificationlaiddownbytheOEM.Oillifeextensionisdependentontheoperatingconditionsandmaintenanceprogrammeapplicabletothemachine.Werecommendregularoilanalysisduringextendeddrainintervals.TheCARDEVHDFC-Nhasa4micronabsoluterating(ISO16889,1999).Inuseparticlesof1micronorlessinsizeareremoved,achievingoilcleanlinesslevelswhichare“betterthannew”–aslowas13/11/8(ISO4406);NASClass2.

TheCARDEVHDFC-Nisadepthfilterelementmadeoflongfibrecellulose,withafulldiameterpolyesterprotectiondisc.Theelementcanbeusedonalloil-basedfluidssuchashydraulic,engine,gearboxoilsanddieselfuels.

Type Cleanliness Class Dimensions (mm) Retention capacity (per filter)

Maximum operatingTemperature °C

Weight(kg)

Shippingquantities

Height Diameter Dirt (kg) Water (l)

HDFC-N ≥13/11/8(ISO4406);NASClass2

112 143 ≤1 ≤0.37 95 0.5±5%

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