Axial Piston Variable Pump A10V(S)O Series 31

Axial piston variable pumpA10V(S)O Series 31RE-A 92701Edition: 02.2017AmericasReplaces: 03.2012 Size 18 (A10VSO) Sizes 28 to 140 (A10VO) Nominal pressure 4100 psi (280 bar) Maximum pressure 5100 psi (350 bar) Open circuitFeaturesContents Variable pump with axial piston rotary group in swash-Type code2Hydraulic fluids4Working pressure range6Technical data, standard unit7plate design for hydrostatic drives in open circuit. The flow is proportional to the drive speed anddisplacement. The flow can be infinitely varied by adjusting the swashplate angle.Technical data, high-speed version8DG – Two-point control, direct operated12 2 drain portsDR – Pressure controller13 Excellent suction performanceDRG – Pressure controller, remote controlled14 Low noise levelDFR / DFR1 / DRSC – Pressure and flow controller15 Long service lifeDFLR – Pressure, flow and power control17 Favorable power/weight ratioED – Electro-hydraulic pressure control18 Versatile controller rangeER – Electro-hydraulic pressure control19 Short control timeDimensions, size 1820 The through drive is suitable for adding gear pumps and Dimensions, size 2823axial piston pumps up to the same size, i.e., 100%Dimensions, size 4527through drive.Dimensions sizes 71 and 8831Dimensions, size 10035Dimensions, size 14039Dimensions, through drive44Overview of mounting options48Combination pumps A10VO A10VO49Connector for solenoids50Electronic controls50Installation instructions51Project planning notes54Safety instructions55RE-A 92701/02.2017, Bosch Rexroth AG

A10V(S)O Series 31 Axial piston variable pumpType code2Type 213V1828457188Standard version (without code) 100 140 High-speed version (external dimensions are the same as the standard version)–– – H ––––––A10VS– A10VAxial piston unit02Swashplate design, variable, nominal pressure 4100 psi (280 bar),maximum pressure 5100 psi (350 bar)Operating mode03OPump, open circuitSize (NG)041828457188Two-point control, direct operated Pressure controller DRX-T open DFRX-T plugged with flushing function DFR1X-T plugged without flushing function DRSC EF1)Geometric displacement, see table of values on pages 7 and 8100 140Control device05with flow controllerhydraulichydraulicwith flow and differential pressure control, electrically variablewith pressure cut-offhydraulicremote controlledelectricalnegative controlelectricalpositive controlDG DRGU 12 V ED71U 24 V ED72U 12 V ER71U 24 VPressure-flow power control ER72– DFLRSeries0631Series 3, index 1Direction of rotation07Viewed on drive shaftclockwiseRcounter-clockwiseLSealing material08VFKM (fluoroelastomer)Drive shaft09Splined shaftANSI B92.1a1828457188standard shaft 100 140 Ssimilar to shaft “S” however for higher input torque ––Rreduced diameter, limited suitability for through drive(see table of values, page 10) Usame as “U”, higher torque; limited suitability for throughdrive (see table of values, page 10)– W2-hole C4-hole–––––– DMounting flange101)ISO 3019-1 (SAE)See data sheet 92709Bosch Rexroth AG, RE-A 92701/02.2017

Axial piston variable pump A10V(S)O Series 31 3Type code 010203A10V(S)O040506/073108–Working port11SAE flange ports accordingto J518Fastening threadUNF; rearnot for through driveFastening threadUNF; lateral top bottomfor through drive0910111213V1828457188– ––100 140 61––– ––91 –– 62––– ––921828457188 N00 K01Through drive (for mounting options, see page 48)12Flange ISO 3019-1Hub for splined shaft2)DiameterDiameterwithout through drive82-2 (A)5/8 in3/4 in11T 16/32DP K52101-2 (B)7/8 in13T 16/32DP– K681 in15T 16/32DP–– K04127-2 (C)1 1/4 in14T 12/24DP––– K071 1/2 in17T 12/24DP––––– K241 3/4 in13T 8/16DP–––––– K174)Without connector (without solenoid, with hydraulic control only, without code) DEUTSCH - molded connector, 2-pin, without suppressor diode 152-4 (D)9T 16/32DP100 140Connectors for solenoids3)13 Available On requestP– Not availableNotice Note the project planning notes on page 54. In addition to the type code, please specify the relevant technical data when placing your order.2)3)4) Hub for splined shaft according to ANSI B92.1aConnectors for other electric components can deviate.Only with mounting flange DRE-A 92701/02.2017, Bosch Rexroth AG

4A10V(S)O Series 31 Axial piston variable pumpHydraulic fluidsHydraulic fluidsThe A10V(S)O variable pump is designed for operation withNotes on selection of hydraulic fluidHLP mineral oil according to DIN 51524.The hydraulic fluid should be selected such that the operat-Application instructions and requirements for hydraulicing viscosity in the operating temperature range is withinfluids should be taken from the following data sheetsthe optimum range (νopt see selection diagram).before the start of project planning:Notice 90220: Hydraulic fluids based on mineral oils andAt no point of the component may the temperature berelated hydrocarbons 90221: Environmentally acceptable hydraulic fluidshigher than 240 F (115 C). The temperature difference 90222: HFD hydraulic fluids (for permissible technicalspecified in the table is to be taken into account whendetermining the viscosity in the bearing.data, see data sheet 90225)If the above conditions cannot be maintained due toextreme operating parameters, please contact the responsible member of staff at Bosch Rexroth.Viscosity and temperature of hydraulic fluidsCold startViscosityTemperatureCommentνmax 7400 SUS(1600 mm2/s)θSt -40 F (-40 C)t 1 min, without load (p 435 psi (30 bar)), n 1000 rpmΔT 45 F (25 K)between axial piston unit and hydraulic fluidθ -40 F to -13 F(-40 C to -25 C)Note the detailed information on operation with low temperatures, see data sheet 90300-03-BPermissible temperature differenceWarm-up phaseν 7400 to 1850 SUS(1600 to 400 mm2/s)this corresponds, for VG 46 for example, to a temperature rangeof 41 F to 185 F ( 5 C to 85 C) (see selection diagram)Continuous operation ν 1850 to 60 SUS(400 to 10 mm2/s)measured at port L, L1observe the permissible temperature range of the shaft seal(ΔT approx. (9 F) K between the bearing/shaft seal and port L, L1)θ -13 F to 230 F(-25 C to 110 C)Short-term operationνopt 170 to 74 SUS(36 to 16 mm2/s)Range of optimum operating viscosity and efficiencyνmin 50 SUS (7 mm2/s)t 1 min, p 0.3 pnom Selection diagram1004606028040361901702016100821060Minimum permissible viscosity for short-term operation749Optimum operating viscosity range voptOptimum efficiencyMinimum permissible temperature for cold startBosch Rexroth AG, RE-A 92701/02.2017-40-40-13-2514-1032 500 1086122158305070Temperature θ [ C]Viscosity v [mm2/s]930Continuousoperation200Warm-up phase010VG 68VG 46VG 32VG 22[SUS]7400460028001850VG2Maximum permissible viscosity for cold start [mm /s]1600100060040019490239 [ F]115 [ C]

Axial piston variable pump A10V(S)O Series 31 5Hydraulic fluidsFiltration of the hydraulic fluidFiner filtration improves the cleanliness level of the hydraulic fluid, which increases the service life of the axial pistonunit.A cleanliness level of at least 20/18/15 is to be maintainedaccording to ISO 4406.At very high hydraulic fluid temperatures (194 F (90 C) tomaximum 240 F (115 C)), cleanliness level 19/17/14according to at least ISO 4406 is necessary.Please contact us if the above classes cannot be observed. RE-A 92701/02.2017, Bosch Rexroth AG

6A10V(S)O Series 31 Axial piston variable pumpWorking pressure rangeWorking pressure rangePressure at working port BDefinitionNominal pressure pnom4100 psi (280 bar)The nominal pressure corresponds to the maximum design pressure.Maximum pressure pmax5100 psi (350 bar)The maximum pressure corresponds to the maximum working pressure within thesingle operating period. The sum of the single operating periods must not exceedthe total operating period.Single operating period2 msTotal operating period300 hMinimum pressure pB(high-pressure side)absRate of pressure change RA max145 psi (10 bar)1)Minimum pressure on the high-pressure side (B) which is required in order toprevent damage to the axial piston unit.232060 psi/s(16000 bar/s)Maximum permissible speed of pressure build-up and reduction during a pressure change across the entire pressure range.12 psi (0.8 bar)absoluteMinimum pressure at suction port S (inlet) that is required in order to avoid damage to the axial piston unit. The minimum pressure depends on the rotationalspeed and displacement of the axial piston unit.Pressure at suction port S (inlet)Minimum pressurepS minStandard145 psi (10 bar)absolute2)Maximum pressure pS maxLeakage pressure at port L, L1Maximum 7.5 psi (0.5 bar) higher than inlet pressure at port S, but not higherthan pL max. A case drain line to the reservoir is required.30 psi (2 bar)absolute2)Maximum pressure pL max Rate of pressure change RA maxNoticeWorking pressure range valid when using hydraulic fluidspnombased on mineral oils. Please contact us for values forPressure p tother hydraulic fluids.Minimum permissible inlet pressure at suction port S pwith speed increaseIn order to avoid damage to the pump (cavitation), a minimum inlet pressure must be guaranteed at suction port S.The minimum inlet pressure level depends on the rotationalPressure pMaximum pressure pmaxNominal pressure pnomMinimum pressure (high-pressure side)Time tTotal operating period t1 t2 . tn1)2)Lower pressure is time-dependent, please contact usOther values on requestBosch Rexroth AG, RE-A 92701/02.201724 (1.6)20 (1.4)1.117 (1.2)15 (1.0)1.013 (0.9)0.90.70.80.9Standard versiontnHigh speed versiont2Rotational speed n/nnomSingle operating period t112 (0.8)1.0abs1.2Inlet pressure pS Pressure definitionpsi [psi (bar)]speed and the displacement of the variable pump.Time tDisplacement Vg/ Vg maxDuring continuous operation in overspeed over nnom, areduction in operational service life is to be expected dueto cavitation erosion.

Axial piston variable pump A10V(S)O Series 31 7Technical data, standard unit Technical data, standard unitSizeNGDisplacement, geometric, per revolutionVg 0020001800qv maxat nE 1800 rpmqvE maxand Vg maxTorqueΔp 4100 psi (280 bar)at Vg max andRotary stiffnessof drive shaftΔp 1450 psi (100 bar)SPE maxT maxTc8.544.33(45)nmax perm rpmat nE 1800 rpm1402.75at nnom and Vg max(280 bar)100(28)Flowat Δp 4100 psi881.71nnomP max71(18)at Vg maxat nnom, Vg max451.10at Vg Vg max2)and Vg max28inRotational 989350(Nm/rad) (11087)(22317)(37500)(71884)(71884)(121142) (169437)19442302585645756457–Rclb-ft/rad(Nm/rad) ad1231422184389283892867187–(Nm/rad) t/rad1467625419423804238075118122136(Nm/rad) –(19898)(34463)(57460)(57460)(101847) )(0.00093) (0.0017) (0.0033) (0.0083) (0.0083) (0.0167)Moment of inertia for rotary groupMaximum angular ²6800550040002900260024002000Case .4)(0.7)(1.0)(1.6)(1.6)(2.2)(3.0)Weight without through drive (approx.)mlbs28405278781091443)Weight with through drive 8)(55.4)(74.4)More important informations see page 91)2) The values are applicable:‒ At absolute pressure pabs 15 psi (1 bar) at suction port S‒ For the optimal viscosity range of νopt 170 to 80 SUS(36 to 16 mm2/s)‒ For hydraulic fluid based on mineral oilsFor a speed increase up to nmax perm, please observe the diagram onpage 6.3)The data are valid for values between the minimum required andmaximum permissible rotational speed. It applies for externalstimuli (e. g. diesel engine 2 to 8 times rotary frequency, Cardanshaft twice the rotary frequency). The limit value is only valid fora single pump. The load capacity of the connecting parts must beconsidered.RE-A 92701/02.2017, Bosch Rexroth AG