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A10V(S)OPressure/FlowcontrolDFR(1)Ports,PressurecontrolDRStandardsetting:A10VODFR/31:280barA10VODFR/52:250bar,FlowcontrolFR(Dp=10-22bar)Standardsetting:Dp=14bar,X-Pilotpressureport,PressureportB,CasedrainportL,SuctionportS,(viewedA10VO,BR31,clockwise),Dampingorifice,Pressurespring,Controlpiston(8),Flowcontrol(Standard:Dp=14bar);Springforce(5),Decompressionorifice,Adjustableorifice,(6)res.Mobilevalveblock(notincludedinsupply),X-port,A10V(S)OPressure/FlowcontrolDFR(1)Circuitdiagram,(CircuitdiagramviewedforA10VO,series31),4,3,2,7,9,1,DR,FR,A10146.1.e/VST6/H01.AK,Biaspistonandspring,Dampingorifice,Pressureport,Controlpiston,Counterbalancepistonandmechanicalspring,Flowcontrol(Standard:Dp=14bar);,Decompressionorifice,Adjustableorifice,res.Mobilevalveblock(notincludedinsupply),X-port,A10V(S)OPressure/FlowcontrolDFR(1)Circuitdiagram,(CircuitdiagramviewedforA10VO,series31),DR,FR,A10146.2.e/VST6/H01.AK,A10V(S)OPressure/FlowcontrolDFR(1)Functionandcircuitdiagram,DR,FR,X,Orificeres.Mobilevalveblock,DR-axis,FR-axis,LS-pilotpressure,X,A10146.3.e/VST6/H01.AK,A10V(S)OPressure/FlowcontrolDFR(1)p-controlcharacteristicf(x)=(px,Vg),A10VO74DFR(1),Modeofexperimentalprocedure:,n=1500rpmp=15barStandby=20bar,p=15bar,Highpressure:pHD,Simulatedloadpressure:pX,A10V(S)OPressure/FlowcontrolDFR(1)Decompressionorificeanddampingorifice,DFRwithdecompressionorifice:(DFR:Standard:0,35mm)(DFR1:closed,withoutdrilling),DampingorificeDR-FR(Standard:0,6mm,Slitinlongitudinaldirection:orificeopenedSlitincrossdirection:orificeclosed,SO74),FR-axis,DR-axis,DR,FR,X,A10V(S)OPressure/FlowcontrolDFR(1)Dampingorifice,DampingorificeDR-FR(Standard:0,6mm,Slitinlongitudinaldirection:orificeopenedSlitincrossdirection:orificeclosed,(SO74),A10V(S)OPressure/FlowcontrolDFR(1)Measurementofhighpressure,Measurementhighpressure:Atthisparticularspot,theexistingplugs(M8x1)canbereplacedbyminimeasure-mentconnections,Attention:Themini-measurementconnectionhavetobeshortenedaccordingtotheoriginallenghtoftheplug(reachofascrew7mm).,A10146.7.e/VST6/H01.AK,A10V(S)OPressure/FlowcontrolDFR(1)Adjustmentforpressure-res.flowcontrol,Valveaxis:Flowcontrol,Adjustmentofflowcontrol:Stand-by“pressuremeasurementorDifferentialpressuremeasurementwithswivelangle!,Adjustmentofpressurecontrol,Valveaxis:Pressurecontrol,Measuring-point1:Highpressure(measurableatplugofDRvalveaxis),A10V(S)OPressure/FlowcontrolDFR(1)AdjustmentofpressurecontrolDR,DR,FR,Procedure:FR-flowcontrolblocked!Highpressurelineclosed!AdjustingofDRpressurecontrolwithsettingvalue!,X,AdjustmentDR:eachrotationapp.50bar!,-50bar+50bar,A10146.9.e/VST6/H01.AK,Measuring-point1:zerostrokepressure(measurableatplugofvalveaxis),1.Standby“pressuremeasurement:,A10V(S)OPressure/FlowcontrolDFR(1)AdjustmentofflowcontrolFR,DR,FR,Procedure:X-portunloadedtotank!closehighpressureport!,X,StandardadjustmentFRDp=14bar(WhenportXisunloadedtotank,azerostrokepressureofp=161barstandby“results.,-16bar+16bar,Measuring-point1:loadpressurecorrespondingtopressureofportX!(LS-signal),Measuring-point2:Highpressure(measureableatplugofvalveaxis),2.Possibility:Differentialpressuremeasurement:,A10V(S)OPressure/FlowcontrolDFR(1)AdjustmentofflowcontrolFR,DR,FR,X,-16bar+16bar,A10V(S)OPressure/FlowcontrolDFR(1)DifferencesbetweenDFRandDFR1,DFR-designWithdecompressionorifice!(DFR:Standard:0,35mmgluedinplace,fastenedwithLoctide),DFR1-designWithoutdecompressionorifice!(DFR1:closed,withoutdrilling),A10146.12.e/VST6/H01.AK,A10V(S)OPressure/FlowcontrolDFR(1)UsageDFR(1)forseries31and52!,A10-series31:DFR(1)-withoutreturnlineorifice!,A10-series52:DFR(1)-withreturnlineorifice(Standard:2,2mm!),Specialdesign(Stabilization):SO116:Returnlineorifice1,3mmSO229:Returnlineorifice1,5mmSO231:Returnlineorifice2,2mmSO277:Returnlineorifice1,0mmSO381:Returnlineorifice0,8mmSO617:Returnlineorifice0,6mm,X,A10V(S)OPressure/FlowcontrolDFR(1)MountingofDFR(1)control(series31),MountingofDFR(1)-control(A10V(S)Oseries31)dependsondirectionofrotation(Directionofrotationbyviewondriveshaft)!,A10V(S)OPressure/FlowcontrolDFR(1)Differentdesigns,DFR(1)forA10V(S)OSize18-100Standarddesign!,DFR(1)forA10V(S)OSize140Designinsandwich-platedesign!,A10146.15.e/VST6/H01.AK,PressurecontrolDRStandardsetting:A10V(S)ODFLR/31:280bar,FlowcontrolFR(Dp=10-22bar)Standardsetting:Dp=14bar,X-Port(Withintegratedorifice(inadap-ter):0,8mm),PressureportB,CasedrainportL,SuctionportS,(viewedA10VO,series31,clockwise),Power-controlLR,Ports,A10V(S)Opressure,flowandpowercontrolDFLR,A10V(S)Opressure,flowandpowercontrolDFLR,Circuitdiagram,A10V(S)Opressure,flowandpowercontrolDFLR,Functionandcircuitdiagram,A10V(S)Opressure,flowandpowercontrolDFLR,Functionandcircuitdiagram,A10V(S)Opressure,flowandpowercontrolDFLR,Functionpowercontrol,Adjustablespringpackageofpowercontrolvalve,Eccentercradleposition(i.e.displacedvolume)willberestoredbytheeccenterprestressofthespringpackagewillbechangedbytheeccenterTherebytheopeningpressureofthepowercontrolvalvehasbeenchangedsmallswivelangle=highpressurelargeswivelangle=lowpressure,A10V(S)Opressure,flowandpowercontrolDFLR,Integratedorificeanddampingorifice,A10V(S)Opressure,flowandpowercontrolDFLR,Measurementofhighpressure,Measurementofhighpressure:Atthisparticularspot,theexistingplugs(M8x1)canbereplacedbyminimeasure-mentconnections.,Attention:Themini-measurementconnectionhavetobeshortenedaccordingtotheoriginallenghtoftheplug(reachofascrew7mm).,A10V(S)Opressure,flowandpowercontrolDFLR,AdjustmentofDR,FRandLR-control,Valveaxis:flowcontrol,AdjustmentofpressurecontrolAdjustmentofflowcontrol:stand-by“pres-suremeasurementordifferentialpressuremeasurementwithsemiswivelangle!,Adjustmentofpowercontrol,Valveaxis:pressurecontrol,A10V(S)Opressure,flowandpowercontrolDFLR,Adjustmentofpowercontrol,Startofcontrol!,Startofcontrolisadjustablebythefirstouterspring,prestressedatfullydisplacedvolume(100%Vg),Endofcontrolisadjustablebythesecondinnerspring,clearanceatfullydisplacedvolume(100%Vg),torque,0,40,60,80,20,50,100,150,200,250,280,Ql/min,pressurepHDbar,drivetorqueNm,0,0,4,0,6,1,0,0,2,Vg/Vgmax,0,8,Pointofactionofthesecondinnerspring,A10V(S)Opressure,flowandpowercontrolDFLR,Hintsforassembling/disassemblingoftheLRvalve,1.:l