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Catalog4300 EOandEO-2MetricBiteTypeFittings Thestopedgecausesasharpincreaseintighteningforces whichisclearlyperceptible.Afterassembly,avisiblecollarof cuttubematerialmustcompletelyfillthespaceinfrontofthe firstcuttingedge.Withstainlesssteeltubeandhoseconnec- tionsmadefromfreecuttingsteel,thecollarislessduetothe hardermaterial. Stopedge(collar) Duringassembly,itisabsolutelyessentialthatthetubeisheld Secondbiteedge firmlyagainstthestopintheinnerconeofthefitting;ifnot,the Frontbiteedge cuttingprocesswillnottakeplacesatisfactorily.Reassembly canbeperformedanunlimitednumberoftimes. AssemblyandInstallation PleaserefertoSectionTfortheassemblyandinstallationin- structionsforEOandEO-2MetricBitetypefittings. WeldNipples Fig.F2--HowEOfittingswork EOweldnipplefittingswithanO-ringsealbetweenweldnipple andbodygiveimpressivepulloutresistanceandsealingintegrity, andasensiblealternativetotheprogressivering.Fittingsbodies andnutsarefullyinterchangeableforweldnippleandprogres- siveringfittingsofthesameseriesandtubeoutsidediameter. WeldnipplesSKAconformtoDIN3865formA,whichtodayis representedbyinternationalstandardISO8434-4. BallBearingRotaryFittings Permissiblenumberofrevolutions(rpm) Tube Nominal underaworkingpressure**of: Torqueat DGBallBearingRotaryFittings:Thesecompact,maintenance- O.D. bore(mm) 25bar 64bar 100bar 160bar 250bar 250bar/Nm freeconstruction,serviceprovenfittingscombineballandplain bearingswithconstantlubricationandrelativelywearresistant 6 4 1500 750 400 200 85 0.08 annularpistonseals.Theyareratedforworkingpressuresup 8 6 to250bar,havealowstartingtorqueandhaveasuitablepres- 12 10 800 400 200 100 45 0.24 sure/RPMrate. 16 13 20 16 300 150 75 38 15 0.8 Ballbearingrotaryfittingsaredesignedforconnectingafixed 25 20 pointtoarotating,swivelingormovingmachinepartviatubing 30 25 200 100 50 25 10 2.0 orhoses.Thusaxialtorsionoftubingorhosescanbeprevented. 38 30 Theyaresuitableforhydrualicoilsandlubricantsofmineral oilbase,notsuitableforwaterorgases.Nominaltemperature TableF1--BallBearingRecommendedRPMandStarting Torques rangeis-35�Cto+80�C. **Aminimumworkingpressureof10barisnecessary. FittingInstructions: Thelifeofrotaryfittingdependsconsiderablyinastress-freeline connection.Therefore,thedirectconnectionwithtubeistobe avoided.Forconnectiontohosestheuseofswivelnutfittingsis recommendedwithshort,straightlines(approx.length5xhose O.D.).Thusshocksandvibrationscanbeabsorbed. SeriesL AssembletubeendsinaccordancewiththeTubeEndAssembly TubeO.D. 6 8 10 12 15 18 22 28 35 InformationonpagesT12throughT13.AssembleBSPPandmetric Permissible studendsinaccordancewithtorquevaluesonpageT5. RPM 28 28 21 17 13 10 10 7 7 PlainBearingRotaryFittings SeriesS TubeO.D. 6 8 10 12 14 16 20 25 30 38 PlainBearingRotaryFittings:Thesecompact,maintenance- freeconstruction,serviceprovenfittingsareratedforlowpressurePermissible tubeandhosewithslowrotating,swivelingormovingmachine RPM 11 11 9 7 5 5 4 4 3 3 partsupto64bar(Lseries)and160bar(Sseries). TableF2--PlainBearingRecommendedRPM Plainbearingrotaryfittingsaredesignedforconnectingafixed pointtoarotating,swivelingormovingmachinepartviatubing orhoses.Thusaxialtorsionoftubingorhosescanbeprevented. Theyaresuitableforhydraulicoilsandlubricantsofmineral oilbase,notsuitableforwaterorgases.Nominaltemperature rangeis-35�Cto+100�C. F7 ParkerHannifinCorporation TubeFittingsDivision Columbus,Ohio http://www.parker.com/tfd
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