RE92500/2023-05-11,BoschRexrothAG
Axial piston variable pump
A11V(L)O series 1x
RE92500/2023-05-11
Replaces:2023-01-19
Features
▶ Through-driveformountingoffurtherpumpsupto
samesize
▶ Optionalwithchargepumpforsizes130to260
▶ Higherspeedsarepossiblefortheversionwith
chargepump(A11VLO)
▶ Largevarietyofcontrols
▶ Swashplatedesign
▶ Compactdesign
▶ Highefciency
▶ Highpowerdensity
▶ All-purposehighpressurepump
▶ Size40to260
▶ Nominalpressure350bar
▶ Maximumpressure400bar
▶ Opencircuit
Contents
Typecode 2
Hydraulicuid 5
Workingpressurerange 7
Technicaldata 8
Powercontroller 11
Pressurecontroller 22
Hydrauliccontrol,pilot-pressurerelated 26
Electricalcontrolwithproportionalsolenoid 28
Dimensions,size40 32
Dimensions,size60 36
Dimensions,size75 40
Dimensions,size95 44
Dimensions,size130/145 48
Dimensions,size190 52
Dimensions,size260 57
Dimensions,through-drive 62
Overviewofmountingoptions 65
CombinationpumpsA11V(L)O+A11V(L)O 66
Swivelangleindicator 67
Connectorforsolenoids 69
Installationinstructions 70
Projectplanningnotes 74
Safetyinstructions 75
BoschRexrothAG,RE92500/2023-05-11
2 A11V(L)O series 1x |Axialpistonvariablepump
Typecode
Axial piston unit
01 Swashplatedesign,variable,nominalpressure350bar,maximumpressure400bar
A11V
Operating mode 40 60 75 95 130 145 190 260
02 Pump,opencircuit withoutchargepump
● ● ● ● ● ● ● ● O
withchargepump
‒ ‒ ‒ ‒ ● ● ● ● LO
Size (NG)
03 Geometricdisplacement,seetechnicaldataonpage8
40 60 75 95 130 145 190 260
Control device
1)
40 60 75 95 130 145 190 260
04 Powercontroller xedsetting
● ● ● ● ● ● ● ● LR
withoverride crosssensing negativecontrol
● ● ● ● ● ● ● ● LR.C
highpressure
dependent
negativecontrol
● ● ● ● ● ● ● ● LR3
pilot-pressurerelated negativecontrol
● ● ● ● ● ● ● ● LG1
positivecontrol
● ● ● ● ● ● ● ● LG2
electric negativecontrol U=24V
● ● ● ● ● ● ● ● LE2
withpressurecut-off
● ● ● ● ● ● ● ● L.D..
hydraulicremotecontrolled
● ● ● ● ● ● ● ● L..G.
withloadsensing
● ● ● ● ● ● ● ● L...S
electricproportionaloverride U=24V
● ● ● ● ● ● ● ● L...S2
hydraulicproportionaloverride
– – – ● ● ● ● ● L...S5
withhydraulic
strokelimiter
negativecontrol Δp=25bar
● ● ● ● ● ● ● ● L...H1
positivecontrol
Δp=25bar ● ● ● ● ● ● ● ● L...H2
withelectric
strokelimiter
positivecontrol
U=24V
● ● ● ● ● ● ● ● L...U2
withmanualoverrideand
springreturn
○ ○ ○ ○ ○ ○ ○ ○ L...U6
Pressurecontroller
● ● ● ● ● ● ● ● DR
withloadsensing
● ● ● ● ● ● ● ● DRS
hydraulicremotecontrolled
● ● ● ● ● ● ● ● DRG
forparalleloperation
● ● ● ● ● ● ● ● DRL
Hydrauliccontrol,
pilot-pressurerelated
positivecontrol Δp=25bar
● ● ● ● ● ● ● ● HD2
withpressurecut-off Δp=25bar
● ● ● ● ● ● ● ● HD2D
Electricalcontrol
withproportional
solenoid
positivecontrol
U=24V
● ● ● ● ● ● ● ● EP2
withmanualoverrideand
springreturn
○ ○ ○ ○ ○ ○ ○ ○ EP6
withpressurecut-off
● ● ● ● ● ● ● ● EP2D
withpressurecut-off,
hydraulic
remotecontrolled
● ● ● ● ● ● ● ● EP2G
withpressurecut-off,
electricremotecontrolled
negativecontrol
– – – ● ● ● ● ● EP2G2
positivecontrol
– – – ● ● ● ● ● EP2G4
●
= Available
○
= Onrequest
‒
= Notavailable
Type code
01 02 03 04 05 06 07 08 09 10 11 12 13 14 15
A11V / N 12 –
1) Thefollowingcombinationsarenotavailablewiththepower
controller:LRDS2,LRDS5,L...GS,L...GS2,L...GS5andthe
combinationL...DGinconjunctionwiththestrokelimitersH1,H2,
H5,U2,U6.
RE92500/2023-05-11,BoschRexrothAG
3 Axialpistonvariablepump | A11V(L)O series 1x
Typecode
01 02 03 04 05 06 07 08 09 10 11 12 13 14 15
A11V / N 12 –
2) S-shaftsuitableforcombinationpump!
3) Suitableforywheelhousingoftheinternalcombustionengine
Series
05
1
Index
06 Size40…130
0
Size145…260
1
Direction of rotation
07 Viewedondriveshaft clockwise
R
counter-clockwise
L
Sealing material
08 NBR(nitrilerubber),shaftsealringmadeofFKM(uorocarbonrubber)
N
FKM(uorocarbonrubber)
V
Drive shaft 40 60 75 95 130 145 190 260
09 SplinedshaftDIN5480forsingleandcombinationpump
● ● ● ● ● ● ● ● Z
ParallelkeyedshaftDIN6885
● ● ● ● ● ● ● ● P
SplinedshaftANSIB92.1a‒1976 forsinglepump
● ● ● ● ● ● ● ● S
forcombinationpump
● ● ● ‒
2)
‒
2)
‒
2)
● ● T
Mounting ange 40 60 75 95 130 145 190 260
10 SAEJ744‒ 2-hole
● ● ‒ ‒ ‒ ‒ ‒ ‒ C
SAEJ744‒ 4-hole
‒ ‒ ● ● ● ● ● ● D
SAEJ617
3)
(SAE3)
‒ ‒ ‒ ● ● ● ● ‒ G
Working port 40 60 75 95 130 145 190 260
11 SAEpressureandsuctionportatside,opposite,
metric
fasteningthreadaccordingtoDIN13.
Port
thread,metricwithprolesealingringbasedonDIN3852
● ● ● ● ● ● ● ● 12
SAEpressureandsuctionportatside,opposite,
metric
fasteningthreadaccordingtoDIN13.
Portthread,UNFwithprolesealingringbasedonISO11926
○ ● ● ● ● ● ● ● 07
●
= Available
○
= Onrequest
‒
= Notavailable
BoschRexrothAG,RE92500/2023-05-11
4 A11V(L)O series 1x |Axialpistonvariablepump
Typecode
01 02 03 04 05 06 07 08 09 10 11 12 13 14 15
A11V / N 12 P –
Through-drive
12
FlangeSAEJ744
4)
Hubforsplinedshaft
4)
Diameter Diameter
Designation 40 60 75 95 130 145 190 260
‒ ‒ ● ● ● ● ● ● ● ● N00
82-2(A)
5/8in 9T16/32DP A ● ● ● ● ● ● ● ● K01
3/4in 11T16/32DP A-B ● ● ● ● ● ● ● ● K52
101-2(B)
7/8in 13T16/32DP B ● ● ● ● ● ● ● ● K02
1in 15T16/32DP B-B ● ● ● ● ● ● ● ● K04
W35×2×16×9g
● ● ● ● ○ ○ ● ● K79
127-2/-2+4(C)
5)
11/4in 14T12/24DP C ‒ ● ● ● ● ● ● ● K07
11/2in 17T12/24DP C-C ‒ ‒ ‒ ● ● ● ● ● K24
W30×2×14×9g
‒ ● ● ● ●
6)
●
6)
● ● K80
W35×2×16×9g
‒ ● ● ● ● ● ● ● K61
152-4(D)
11/4in 14T12/24DP C ‒ ‒ ● ● ● ● ● ● K86
13/4in 13T8/16DP D ‒ ‒ ‒ ‒ ● ● ● ● K17
W40×2×18×9g ‒ ‒ ● ● ● ● ● ● K81
W45×2×21×9g ‒ ‒ ‒ ● ● ● ● ● K82
W50×2×24×9g ‒ ‒ ‒ ‒ ● ● ● ● K83
165-4(E)
13/4in 13T8/16DP D ‒ ‒ ‒ ‒ ‒ ‒ ● ● K72
W50×2×24×9g ‒ ‒ ‒ ‒ ‒ ‒ ● ● K84
W60×2×28×9g ‒ ‒ ‒ ‒ ‒ ‒ ‒ ● K67
Swivel angle indicator
40 60 75 95 130 145 190 260
13 withoutswivelangleindicator(withoutcode)
● ● ● ● ● ● ● ●
withopticalswivelangleindicator
● ‒ ● ● ● ● ● ● V
withelectricswivelanglesensor
● ‒ ● ● ● ● ● ● R
Connector for solenoids
40 60 75 95 130 145 190 260
14 DEUTSCHconnectormolded 2-pin,withoutsuppressordiode
● ● ● ● ● ● ● ● P
Standard/special version
15 Standardversion(withoutcode)
Specialversion
S
Installationvariant
Y
●
= Available
○
= Onrequest
‒
= Notavailable
4) 2
≙
2-hole;4
≙
4-hole
5) NG190andNG260with2+4holeange
6) Notavailableforversionwithchargepump
RE92500/2023-05-11,BoschRexrothAG
5 Axialpistonvariablepump | A11V(L)O series 1x
Hydraulicuid
Hydraulic uid
Theaxialpistonunitisdesignedforoperationwith
HLPmineraloilaccordingtoDIN51524.
Applicationinstructionsandrequirementsforhydraulic
uidselection,behaviorduringoperationaswellas
disposalandenvironmentalprotectionshouldbetaken
fromthefollowingdatasheetsbeforethestartofproject
planning:
▶ 90220:Hydraulicuidsbasedonmineraloilsand
relatedhydrocarbons
▶ 90221:Environmentallyacceptablehydraulicuids
▶ 90223:Fire-resistant,water-containinghydraulicuids
(HFC/HFB/HFAE/HFAS)
Selection of hydraulic uid
BoschRexrothevaluateshydraulicuidsonthebasisof
theFluidRatingaccordingtothetechnical
datasheet90235.
HydraulicuidswithpositiveevaluationintheFluidRating
areprovidedinthefollowingtechnicaldatasheet:
▶ 90245:BoschRexrothFluidRatingListforRexroth
hydrauliccomponents(pumpsandmotors)
Selectionofhydraulicuidshallmakesurethatthe
operatingviscosityintheoperatingtemperaturerangeis
withintheoptimumrange(ν
opt
;seeselectiondiagram).
Viscosity and temperature of hydraulic uids
Viscosity Shaft seal Temperature
3)
Remarks
Coldstart ν
max
≤1600mm²/s NBR
2)
ϑ
St
≥−40°C t≤3min,withoutload(p≤50bar),n≤1000rpm
Permissibletemperaturedifferencebetweenaxialpistonunit
andhydraulicuidinthesystemmaximum25K
FKM ϑ
St
≥−25°C
Warm-upphase ν=1600…400mm²/s t≤15min,p≤0.7×p
nom
andn≤0.5×n
nom
Continuous
operation
ν=400…10mm²/s
1)
NBR
2)
ϑ≤+85°C> MeasuredatportT
FKM ϑ≤+110°C>
ν
opt
=36…16mm²/s Optimaloperatingviscosityandefciencyrange
Short-term
operation
ν
min
=10…7mm²/s NBR
2)
ϑ≤+85°C> t≤3min,p≤0.3×p
nom
,measuredatportT
FKM ϑ≤+110°C>
▼ Selection diagram
−40 −25 −10 10 30 40 50 90 11570
0
7
10
40
60
20
100
200
400
600
1000
1600
VG 22
VG 32
VG 46
VG 68
VG 100
16
36
Warm-upphase
ν
opt
Maximumpermissibleviscosityoncoldstart
Minimumpermissibleviscosityforshort-termoperation
Temperatureϑ[°C]
Viscosityν[mm
2
/s]
Continuousoperation
1) Thiscorresponds,forexampleontheVG46,toatemperature
rangeof+4°Cto+85°C(seeselectiondiagram)
2) Specialversion,pleasecontactus
3) Ifthetemperatureatextremeoperatingparameterscannotbe
adheredto,pleasecontactus.
BoschRexrothAG,RE92500/2023-05-11
6 A11V(L)O series 1x |Axialpistonvariablepump
Hydraulicuid
Filtration of the hydraulic uid
Finerltrationimprovesthecleanlinesslevelofthe
hydraulicuid,whichincreasestheservicelifeofthe
axialpistonunit.
Acleanlinesslevelofatleast20/18/15istobemaintained
accordingtoISO4406.
Atahydraulicuidviscosityoflessthan10mm²/s
(e.g.duetohightemperaturesduringshort-term
operation)atthedrainport,acleanlinesslevelofatleast
19/17/14accordingtoISO4406isrequired.
Forexample,aviscosityof10mm²/scorrespondstothe
followingtemperatureswiththefollowingmedia:
▶ HLP32atemperatureof73°C
▶ HLP46correspondstoatemperatureof85°C
Case ushing
IfavariabledisplacementpumpwithcontroldeviceEP,
HDorwithstrokelimiter(H1,H2,U2,U6)isoperatedfor
alongerperiodoftime(t>10min)withzeroowor
workingpressure<15bar,housingushingviathe
connectionsT
1
,T
2
orRisrequired.
NG 40 60 75 95 130 145 190 260
q
Vush
(l/min) 2 3 3 4 4 4 5 6
Theneedforhousingushingiseliminatedattheversion
withchargepump(A11VLO).
Charge pump (impeller)
Thechargepumpisacentrifugalpumpwithwhichthe
A11VLOislledandthereforecanbeoperatedathigher
rotationalspeeds.Thisalsosimpliescoldstartingatlow
temperaturesandhighviscosityofthehydraulicuid.
Externallyincreasingtheinletpressureistherefore
unnecessaryinmostcases.Chargingthereservoirwith
compressedairispermissibleat2barabsolute.
T
1
T
2
R M
1
S
AMG
V
g min
V
g max
RE92500/2023-05-11,BoschRexrothAG
7 Axialpistonvariablepump | A11V(L)O series 1x
Workingpressurerange
Working pressure range
Pressure at port for working line A Denition
Nominalpressurep
nom
350bar Thenominalpressurecorrespondstothemaximumdesignpressure.
Maximumpressurep
max
400bar Themaximumpressurecorrespondstothemaximumworkingpressure
withinasingleoperatingperiod.Thesumofsingleoperatingperiodsmust
notexceedthetotaloperatingperiod.
Singleoperatingperiod <1s
Totaloperatingperiod 300h
Minimumpressurep
Aabsolute
(high-pressure
side)
seediagram
"Minimumpressure
(high-pressureside)"
Minimumpressureatthehigh-pressuresideAwhichisrequiredinorderto
preventdamagetotheaxialpistonunit.
RateofpressurechangeR
Amax
16000bar/s Maximumpermissiblespeedofpressurebuild-upandreductionduring
apressurechangeacrosstheentirepressurerange.
Pressure at suction portS (inlet)
Versionwithoutchargepump
Minimumpressurep
Smin
≥0.8barabsolute MinimumpressureatsuctionportS(inlet)whichisrequiredtoprevent
damagetotheaxialpistonunit.Theminimumpressureisdependent
ontherotationalspeedanddisplacementoftheaxialpistonunit
(see
diagram"Maximumpermissiblerotationalspeed"onpage9).
Maximumpressurep
Smax
≤30barabsolute
1)
Versionwithchargepump
Minimumpressurep
Smin
≥0.6barabsolute MinimumpressureatsuctionportS(inlet)whichisrequiredtoprevent
damagetotheaxialpistonunit.
Maximumpressurep
Smax
≤2barabsolute
Case pressure at port T
1
, T
2
Maximumcasepressurep
Tmax
2bar MeasuredatportT
1
, T
2
Maximum1.2barhigherthaninletpressureatportS,
butnothigherthanp
Tmax
.
Adrainlinetothereservoirisrequired.
▼ Minimum pressure (high-pressure side)
n = n
max
n = 0.9 × n
max
n = 0.8 × n
max
n = 0.7 × n
max
n = 0.6 × n
max
n = 0.5 × n
max
n ≤ 0.4 × n
max
0.50 0.1 0.2 0.3 0.4 0.6 0.7 0.8 0.9 1.0
12
10
8
6
4
2
0
14
16
18
20
p
Aabsolute
[bar]
DisplacementV
g
/V
gmax
▼ Pressure denition
t
1
t
2
t
n
Singleoperatingperiod
Pressurep
Minimumpressure(high-pressureside)
Maximumpressurep
max
Nominalpressurep
nom
Timet
Totaloperatingperiod=t
1
+ t
2
+ ... + t
n
Notice
▶ Workingpressurerangeapplieswhenusing
hydraulicuidsbasedonmineraloils.
Pleasecontactusforvaluesforotherhydraulicuids.
▶ Thecasepressuremustbegreaterthantheexternal
pressure(ambientpressure)attheshaftseal.
1) >5bar,pleasecontactus
BoschRexrothAG,RE92500/2023-05-11
8 A11V(L)O series 1x |Axialpistonvariablepump
Technicaldata
Technical data
Without charge pump (A11VO)
Size NG 40 60 75 95 130 145 190 260
Geometricdisplacement,
per
revolution
V
gmax
cm
3
42.0 58.5 74.0 93.5 130.0 145.0 193.0 260.0
V
gmin
cm
3
0 0 0 0 0 0 0 0
Maximum
rotationalspeed
atV
gmax
1)
n
nom
rpm 3000 2700 2550 2350 2100 2200 2100 2000
atV
g
≤V
gmax
3)
n
max
rpm 3500 3250 3000 2780 2500 2500 2100
5)
2300
Flow atn
nom
andV
gmax
q
v
l/min 126 158 189 220 273 319 405 468
Power atn
nom
,V
gmax
andΔp=350bar
P
kW 74 92 110 128 159 186 236 273
Torque atV
gmax
andΔp=350bar
2)
M
Nm 234 326 412 521 724 808 1075 1448
Rotarystiffness
drive
shaft
Z
c
kNm/rad 88.9 102.4 145.8 199.6 302.5 302.5 346.2 686.5
P
c
kNm/rad 87.5 107.9 143.1 196.4 312.4 312.4 383.2 653.8
S
c
kNm/rad 58.3 86.3 101.9 173.7 236.9 236.9 259.8 352.0
T
c
kNm/rad 74.5 102.4 125.6 148.3 ‒ ‒ 301.9 567.1
Momentofinertiaoftherotarygroup J
TW
kgm
2
0.0048 0.0082 0.0115 0.0173 0.0318 0.0341 0.055 0.0878
Maximumangularacceleration
4)
α
rad/s² 22000 17500 15000 13000 10500 9000 6800 4800
Casevolume
V
L 1.1 1.35 1.85 2.1 2.9 2.9 3.8 4.6
Weight(withoutthrough-drive)approx.
m
kg 32 40 45 53 66 67 95 125
With charge pump (A11VLO)
Size NG 130 145 190 260
Geometricdisplacement,perrevolution V
gmax
cm
3
130.0 145.0 193.0 260.0
V
gmin
cm
3
0 0 0 0
Maximum
rotationalspeed
atV
gmax
2)
n
nom
rpm 2500 2500 2500 2300
atV
g
≤V
gmax
n
max
rpm 2500 2500 2500 2300
Flow atn
nom
andV
gmax
q
v
l/min 325 363 483 598
Power atn
nom
,V
gmax
and
Δp=350bar
P
kW 190 211 281 349
Torque atV
gmax
and
Δp
=350bar
2)
M
Nm 724 808 1075 1448
Rotarystiffness
drive
shaft
Z
c
kNm/rad 302.5 302.5 346.2 686.5
P
c
kNm/rad 312.4 312.4 383.3 653.8
S
c
kNm/rad 236.9 236.9 259.8 352.0
T
c
kNm/rad ‒ ‒ 301.9 567.1
Momentofinertiaoftherotarygroup J
TW
kgm
2
0.0337 0.036 0.0577 0.0895
Maximumangularacceleration
4)
α
rad/s² 10500 9000 6800 4800
Casevolume
V
L 2.9 2.9 3.8 4.6
Weight(withoutthrough-drive)approx.
m
kg 72 73 104 138
1) Thevaluesapplyforanabsolutepressure(p
absolute
)of1barat
suctionportSandforoperationwithmineraloperatinguid.
2) Thevaluesapplyforanabsolutepressure(p
absolute
)ofatleast
0.8baratsuctionportSandforoperationwithmineraloperating
uid.
3) ThevaluesapplyatV
g
≤V
g
max
orwhentheinletpressure(p
absolute
)
isincreasedatthesuctionportS
(see
diagram"Maximumpermissiblerotationalspeed"page9)
4) Thescopeofapplicationliesbetween0andthemaximum
permissiblerotationalspeed.Itappliesforexternalstimuli
(e.g.dieselengine2to8timesrotaryfrequency,
cardanshaft2timesrotaryfrequency).
The
limitvalueisonlyvalidforasinglepump.
The
loadcapacityoftheconnectionpartsmustbeconsidered.
5) Higherrotationalspeedpossiblewithspecialversionafter
consultation.
RE92500/2023-05-11,BoschRexrothAG
9 Axialpistonvariablepump | A11V(L)O series 1x
Technicaldata
▼ Maximum permissible rotational speed of the A11VO
(speed limit)
(p
absolute
=inletpressure)
1.2
1.15
1.1
1.05
1
0.95
0.9
0.7 0.8 0.9 1
p
abs
= 0.8 bar
p
abs
= 0.9 bar
p
abs
= 1.0 bar
p
abs
= 1.1 bar
p
abs
= 1.2 bar
Rotationalspeedn/n
nom
DisplacementV
g
/V
gmax
Permissiblerotationalspeeddependingon
inletpressurep
absolute
anddisplacementvolumeV
g
/V
gma
x
.
Observe
themax.rotationalspeedn
max
Permissible radial and axial loading on the drive shafts
Size NG 40 60 75 95 130 145 190 260
Maximumradialforce
atdistancea,b,c
(fromshaftcollar)
a, b, c
F
q
F
qmax
N 3600 5000 6300 8000 11000 11000 16925 22000
a mm 17.5 17.5 20 20 22.5 22.5 26 29
F
qmax
N 3891 4046 4950 6334 8594 8594 13225 16809
b mm 30 30 35 35 40 40 46 50
F
qmax
N 2416 3398 4077 5242 7051 7051 10850 13600
c mm 42.5 42.5 50 50 57.5 57.5 66 71
Maximumaxialforce
–
+
F
ax
+F
axmax
N 1500 2200 2750 3500 4800 4800 6000 4150
−F
axmax
N 1500 2200 2750 3500 4800 4800 6000 4150
Notice
▶ Theoreticalvalues,withoutefciencyandtolerances;
valuesrounded.
▶ Operationabovethemaximumvaluesorbelowthe
minimumvaluesmayresultinalossoffunction,
areducedservicelifeorinthedestructionoftheaxial
pistonunit.BoschRexrothrecommendstestingthe
loadsbymeansofexperimentorcalculation/
simulationandcomparisonwiththepermissible
values.
▶ Specialrequirementsapplyinthecaseofbeltdrives.
Pleasecontactus.
Determination of the characteristics
Flow q
v
=
V
g
× n × η
v
[l/min]
1000
Torque
M
=
V
g
× Δp
[Nm]
20×π × η
hm
Power
P
=
2π × M × n
=
q
v
× Δp
[kW]
60000 600×η
t
Key
V
g
= Displacementperrevolution[cm
3
]
Δp
= Differentialpressure[bar]
n
= Rotationalspeed[rpm]
η
v
= Volumetricefciency
η
hm
= Hydraulic-mechanicalefciency
η
t
= Totalefciency(η
t
= η
v
× η
hm
)
BoschRexrothAG,RE92500/2023-05-11
10 A11V(L)O series 1x |Axialpistonvariablepump
Technicaldata
Permissible input and through-drive torques
Size NG 40 60 75 95 130 145 190 260
TorqueatV
gmax
andΔp=350bar
1)
M
max
Nm 234 326 412 521 724 808 1075 1448
Maximuminputtorqueondriveshaft
2)
P
M
Emax
Nm 468 648 824 1044 1448 1448 2226 2787
ShaftkeyDIN6885
⌀32 ⌀35 ⌀40 ⌀45 ⌀50 ⌀50 ⌀55 ⌀60
Z M
Emax
Nm 912 912 1460 2190 3140 3140 3140 5780
DIN5480 W35 W35 W40 W45 W50 W50 W50 W60
S M
Emax
Nm 314 602 602 1640 1640 1640 1640 1640
ANSIB92.1a-1976(SAEJ744) 1in 11/4in 11/4in 13/4in 13/4in 13/4in 13/4in 13/4in
T M
Emax
Nm 602 970 970 – – – 2670 4070
ANSIB92.1a-1976(SAEJ744) 11/4in 13/8in 13/8in – – – 2in 21/4in
Through-drivetorque,maximum
3)
M
Dmax
Nm 314 521 660 822 1110 1110 1760 2065
▼ Distribution of torques
M
E
M
D
M
1
M
2
M
3
1stpump
Torqueat1stpump
M
1
Torqueat2ndpump
M
2
Torqueat3rdpump
M
3
Inputtorque
M
E
= M
1
+M
2
+M
3
M
E
<
M
E max
Through-drivetorque
M
D
= M
2
+M
3
M
D
<
M
D max
1) Efciencynotconsidered
2) Fordriveshaftsfreeofradialforce
3) NotemaximuminputtorqueforshaftS!
2ndpump
RE92500/2023-05-11,BoschRexrothAG
11 Axialpistonvariablepump | A11V(L)O series 1x
Powercontroller
Power controller
LR – Power controller, xed setting
Thepowercontrollerregulatesthedisplacementofthe
pumpdependingontheworkingpressuresothatagiven
drivepowerisnotexceededatconstantdrivespeed.
Theprecisecontrolwithahyperboliccharacteristiccurve,
providesanoptimumutilizationofavailablepower.
Theworkingpressureactsonarockerviaameasuring
spoolmovedtogetherwiththecontrol.Anexternally
adjustablespringforcecounteractsthis,itdeterminesthe
powersetting.ThedepressurizedbasicpositionisV
gmax
.
Iftheworkingpressureexceedsthesetspringforce,
thecontrolvalvewillbeactuatedbytherockerandthe
pumpwillswivelbackfromthebasicposition
V
gmax
towardV
gmin
.Here,theleverageattherockermay
beshortenedandtheworkingpressuremayriseinthe
samerelationasthedisplacementisreduced
(p
B
×V
g
=constant;p
B
=workingpressure;
V
g
=displacement).
Thehydraulicoutputpower(characteristiccurveLR)is
inuencedbytheefciencyofthepump.
Settingrangeforbeginningofcontrol50to350bar
Whenordering,stateinplaintext:
▶ DrivepowerP[kW]
▶ Drivespeedn[rpm]
▶ Maximumowq
Vmax
[l/min]
Pleasecontactusifyouneedaperformancechart.
▼ Characteristic curve LR
350 bar
50 bar
Workingpressure
p
B
[bar]
▼ Circuit diagram NG 40 to 145
T
1
T
2
R M
1
S
AM
V
g min
V
g max
▼ Circuit diagram NG 190 to 260
T
1
T
2
R M
1
S
AM
V
g min
V
g max
Settingrange
beginningofcontrol
V
gmax
V
gmin
Displacement
BoschRexrothAG,RE92500/2023-05-11
12 A11V(L)O series 1x |Axialpistonvariablepump
Powercontroller
LRC – Override with cross sensing
Crosssensingistotalcapacitycontrol
(high-pressure-dependent)thatconnectstwoequally
sizedA11VOpumpswithLRCcontrollersinpowercontrol.
Ifonepumpisoperatingatpressuresbelowtheset
beginningofcontrol,theunuseddrivepowerisavailableto
theotherpump,upto100%inborderlinecases.Atotal
drivepoweristhusdistributedbetweentwoconsumers
accordingtodemand.
Freed-uppowerduetopressurecut-offorotheroverrides
isnottakenintoaccount.
Half-sided cross sensing function
WhenusingtheLRCcontrolleronthe1stpump(A11VO)
andapower-controlledpumpwiththrough-driveand
withoutcross-sensing,whichisalsomountedatthedrive,
therequiredpowerforthe2ndpumpdeductedfromthe
settingsofthe1stpump.The2ndpumphaspriorityinthe
totalpowersetting.
Fordesignofthecontrollerofthe1stpump,thesizeand
thebeginningofcontrolofthepowercontrollerofthe2nd
pumparerequired.
▼ Circuit diagram NG 40 to 145
LR
T
1
T
2
R M
1
S
AM
V
g min
V
g max
Z
▼ Circuit diagram NG 190 to 260
T
1
T
2
R M
1
S
AM
V
g min
V
g max
Z
LR
LR3 – High-pressure-dependent override
Thehigh-pressure-dependentpoweroverrideisatotal
powercontrolwheretheworkingpressureofamounted
xedpumpisappliedtothepowersetting(portZ).
Therefore,theA11VOcanbesetto100%ofthetotal
drivepower.ThepowersettingoftheA11VOisreduced
proportionallytotheload-dependentincreaseinthe
workingpressureofthexedpump.Thexedpumphas
priorityinthetotalpowersetting.
Themeasuringsurfaceforthepowerreductionisadapted
tothedisplacementofthexedpump.
▼ Circuit diagram NG 40 to 145
T
1
T
2
R M
1
S
A
M
V
g min
V
g max
Z
▼ Circuit diagram NG 190 to 260
T
1
T
2
R M
1
S
A
M
V
g min
V
g max
Z
RE92500/2023-05-11,BoschRexrothAG
13 Axialpistonvariablepump | A11V(L)O series 1x
Powercontroller
LG1/2 – Pilot-pressure related override
Anexternalpilotpressureactsonthesettingspringofthe
powercontrollerviaportZ.
Themechanicallyadjustedbasicpowersettingcanbe
variedbymeansofdifferentpilotpressuresettings.
Ifthepilotpressuresignalisadjustedbyaloadlimiting
control,thepowerreductionofallconsumersisreduced
tomatchtheavailablepowerfromthedieselengine.
Thepilotpressureforpowerinuencingisgeneratedbyan
externalcontrolelementwhichisnotpartoftheA11VO
(e.g.BODASLLC–ApplicationsoftwareLoadlimiting
control(datasheet95312)).
LG1 Negative power override
WithnegativepoweroverrideLG1,theforceresultingfrom
thepilotpressurecounteractsthesettingspringofthe
powercontroller.
Higherpilotpressure=reducedpower.
Designrecommendationforthecontroluidrequirement
at
ν=10mm²/sis0.9l/minfortheLG1function.
▼ Circuit diagram NG 40 to 145
T
1
T
2
R M
1
S
A
M
V
g min
V
g max
Z
▼ Circuit diagram NG 190 to 260
T
1
T
2
R M
1
S
A
M
V
g min
V
g max
Z
LG2 Positive power override
WithpositivepoweroverrideLG2,theforceresultingfrom
thepilotpressuresupportsthesettingspringofthepower
controller.
Higherpilotpressure=increasedpower.
Designrecommendationforthecontroluidrequirement
at
ν=10mm²/sis1.2l/minfortheLG2function.
▼ Circuit diagram NG 40 to 145
T
1
T
2
R M
1
S
A
M
V
g min
V
g max
Z
▼ Circuit diagram NG 190 to 260
T
1
T
2
R M
1
S
A
M
V
g min
V
g max
Z
BoschRexrothAG,RE92500/2023-05-11
14 A11V(L)O series 1x |Axialpistonvariablepump
Powercontroller
LE2 – Electrically proportional override (negative control)
Acontrolcurrentactsagainsttheadjustmentspringofthe
powercontrollerviaaproportionalsolenoid.
Themechanicallyadjustedbasicpowersettingcanbe
reducedbymeansofdifferentcontrolcurrentsettings.
Increasingcontrolcurrent=reducedpower.
Ifthecontrolcurrentsignalisvariablycontrolledvia
aloadlimitingcontrol,thepowerdrawofallconsumersis
adjustedtothepowerdrawpossibleforthedieselengine
(e.g.BODASLLC–ApplicationsoftwareLoadlimiting
control(datasheet95312)inBODAScontrollerRC2-2).
Directcurrentof24V(LE2)isrequiredtocontrolthe
proportionalsolenoid.
Technical data, solenoid LE2
Voltage 24V(±20%)
Controlcurrent
Startofcontrol 200mA
Endofcontrol 600mA
Currentlimit 0.77A
Nominalresistance(at20°C) 22.7Ω
Ditherfrequency 100Hz
Dutycycle 100%
Typeofprotection:seeconnectorversionpage69
▼ Effect of power override with increasing pressure or current
LR3
LRC
LG2
LG1
LE2
p
HD
I
p
St
50
Workingpressure
p
B
[bar]
▼ Circuit diagram NG 40 to 145
T
1
T
2
R M
1
S
A
M
V
g min
V
g max
▼ Circuit diagram NG 190 to 260
T
1
T
2
R M
1
S
A
M
V
g min
V
g max
V
gmax
V
gmin
Displacement
RE92500/2023-05-11,BoschRexrothAG
15 Axialpistonvariablepump | A11V(L)O series 1x
Powercontroller
LRD – With pressure cut-off
Thepressurecut-offisapressurecontrolwhichadjusts
thedisplacementofthepumpbacktoV
g
min
afterreaching
thesetpressurecommandvalue.
Thisfunctionoverridesthepowercontroller,i.e.thepower
controlfunctionisexecutedbelowthepressurecommand
value.
Thevalveforpressurecut-offisintegratedinthecontroller
housingandispermanentlysettoapressurecommand
valueatthefactory.
Settingrangefrom50to350bar.
▼ Characteristic curve
350
50
max
min
Workingpressure
p
B
[bar]
Settingrange
▼ Circuit diagram NG 40 to 145
T
1
T
2
R M
1
S
A
M
V
g min
V
g max
▼ Circuit diagram NG 190 to 260
T
1
T
2
R
M
1
S
A
M
V
g min
V
g max
V
gmax
V
gmin
Displacement
BoschRexrothAG,RE92500/2023-05-11
16 A11V(L)O series 1x |Axialpistonvariablepump
Powercontroller
LRDS – With pressure cut-off and load sensing
Theloadsensingcontrollerworksasaload-pressure
controlledowcontrollerandadjuststhedisplacementof
thepumptothevolumerequiredbytheconsumer.
Theowofthepumpisthendependentonthecross
sectionoftheexternalmeteringorice(1),whichis
locatedbetweenthepumpandtheconsumer.Belowthe
powercurveandthesettingofthepressurecut-offand
withinthecontrolrangeofthepump,theowis
independentoftheloadpressure.
Themeteringoriceisusuallyaseparatelylocated
loadsensingdirectionalvalve(controlblock).Theposition
ofthedirectionalvalvespooldeterminestheopening
cross-sectionofthemeteringoriceandthustheowof
thepump.
Theloadsensingcontrollercomparespressurebeforeand
afterthemeteringoriceandkeepsthepressuredrop
(differentialpressure∆p)acrosstheoriceandtherefore
theowconstant.
Ifthedifferentialpressure∆patthemeteringorice
increases,thepumpisswiveledback(towardsV
gmin
),
ifthedifferentialpressure∆pdecreasesthepumpis
swiveledout(towardsV
gmax
),untilequilibriuminthe
valveisrestored.
∆p
meteringorice
=p
pump
– p
consumer
Thesettingrangefor∆pisbetween14barand25bar.
Thedefaultsettingis18bar(pleasespecifyinplaintext).
Thestand-bypressureinzero-strokeoperation
(meteringoriceplugged)isslightlyabovethe∆psetting.
InastandardLSsystem,thepressurecut-offisintegrated
inthepumpcontroller.InanLUDVsystem,thepressure
cut-offisintegratedintheLUDVvalveblock.
Themeteringorice 1 (controlblock)isnotincludedin
thescopeofdelivery.
Designrecommendationforthecontroluidrequirement
at
ν=10mm²/sis3.7l/minfortheLSfunction.
▼ Characteristic curve
350
50
max
min
Workingpressure
p
B
[bar]
Settingrange
▼ Circuit diagram NG 40 to 145
T
1
T
2
R M
1
S
A
(1)
M
V
g min
V
g max
X
▼ Circuit diagram NG 190 to 260
T
1
T
2
R M
1
S
A
(1)
M
V
g min
V
g max
X
V
gmax
V
gmin
Displacement
RE92500/2023-05-11,BoschRexrothAG
17 Axialpistonvariablepump | A11V(L)O series 1x
Powercontroller
LRS2 – With load sensing, electrically overridable
Byconnectingacontrolcurrentonaproportional
solenoid,thedifferentialpressure∆poftheloadsensing
controlcanbeoverriddenproportionally.
Increasingcurrent=lower∆psetting.
Anexampleofthisisshowninthecharacteristiccurve
below.Pleaseconsultusbeforecarryingoutproject
planning.
Fortechnicaldataofsolenoid,seepage14(LE2)
▼ Characteristic curve
25
18
14
10
5
200 300 400 500 600
ControlcurrentI[mA](at24V)
∆p
LS
[bar]
▼ Circuit diagram NG 40 to 145
T
1
T
2
R M
1
S
A
M
V
g min
V
g max
X
▼ Circuit diagram NG 190 to 260
T
1
T
2
R M
1
S
A
M
V
g min
V
g max
X
LRS5 – With load sensing, hydraulically overridable
ByconnectinganexternalpilotpressuretoportZ,
thedifferentialpressure∆poftheloadsensingcontrolcan
beoverriddenproportionally.
Increasingpilotpressure=lower∆psetting.
Anexampleofthisisshowninthecharacteristiccurve
below.Pleaseconsultusbeforecarryingoutproject
planning.
▼ Characteristic curve
25
18
14
10
5
0 5 10
15 20 25 30
Pilotpressurep
z
[bar]
∆p
LS
[bar]
▼ Circuit diagram NG 40 to 145
T
1
T
2
R M
1
S
A
M
X
Z
V
g min
V
g max
▼ Circuit diagram NG 190 to 260
T
1
T
2
R M
1
S
A
M
X
Z
V
g min
V
g max
BoschRexrothAG,RE92500/2023-05-11
18 A11V(L)O series 1x |Axialpistonvariablepump
Powercontroller
LR… – with stroke limiter
Duetothestrokelimiter,itispossibletochangeorlimitthe
displacementofthepumpcontinuouslyacrosstheentire
controlrange.AttheLRH,thedisplacementisadjusted
proportionallytothepilotpressurep
St
(max.40bar)applied
atportYor,atLRU,bythecontrolcurrentappliedatthe
proportionalsolenoid.Directcurrentof24V(U2,U6)is
requiredtocontroltheproportionalsolenoid.
Thestrokelimiterisoverriddenbythepowercontroller,
i.e.belowthepowercontrollercharacteristiccurve
(hyperboliccharacteristiccurve)thedisplacementvolume
isadjusteddependingonthecontrolcurrentorpilot
pressure.Ifthesetoworworkingpressureexceedsthe
powercontrolcharacteristic,thepowercontroloverrides
andreducesthedisplacementalongthehyperbolic
characteristic.
WithelectricstrokelimiterLRU2,LRU6andhydraulic
strokelimiterLRH2,acontrolpressureof30barisneeded
toswivelthepumpfromitsinitialpositionV
gmax
toV
gmin
.
Therequiredcontrolpoweristakenfromtheworking
pressureortheexternalcontrolpressureappliedto
portG.
Toensurethatthestrokelimiterfunctionsatalowworking
pressureof<30bar,portGmustbesuppliedwithan
externalcontrolpressureofabout30bar.
Notice
▶ IfnoexternalcontrolpressureisconnectedtoG,
theshuttlevalvemustberemovedorrelievedtothe
reservoir.
▶ TheproportionalsolenoidsintheU6versionhave
manualoverrideandspringreturn.
RE92500/2023-05-11,BoschRexrothAG
19 Axialpistonvariablepump | A11V(L)O series 1x
Powercontroller
LRH1 – Hydraulic stroke control (negative control)
Withpilot-pressurerelatedcontrol,thepump
displacementisadjustedproportionallyandcontinuously
withapilotpressureappliedatportY.
BasicpositionwithoutpilotsignalisV
gmax
.
▶ ControlfromV
gmax
toV
gmin
Withincreasingpilotpressurethepumpswivelsto
asmallerdisplacement.
▶ Settingrangeforbeginningofcontrol(atV
gmax
)
4to10barStatethebeginningofcontrolinplaintext
intheorder.
▶ Maximumpermissiblepilotpressurep
Stmax
=40bar
Therequiredcontroluidistakenfromtheworking
pressureortheexternalcontrolpressureappliedto
portG.
Inorderforthepumptobemovedfromthebasicposition
zerooratlowworkingpressure,portGmustbesupplied
withexternalcontrolpressureofatleast30bar,
maximum40bar.
Designrecommendationforthecontroluidrequirement
at
ν=10mm²/sis1.2l/minfortheH1function.
Notice
IfnoexternalcontrolpressureisconnectedtoG,
thismustbeindicatedinplaintext.
Inthiscase,theshuttlevalveisnotincludedinthe
scopeofdelivery.
Withoutexternalcontrolpressure,thestrokecontrol
hasonlylimitedfunctionality.Pleasecontactus.
▼ Characteristic curve H1
4
0 1.00.5
35
30
10
15
20
25
Pilotpressurep
St
[bar]
Setting
range
PilotpressureincreaseV
gmax
toV
gmin
:∆p=25bar
▼ Circuit diagram NG 40 to 145
T
1
T
2
R M
1
S
A
M
Y
V
g min
V
g max
G
▼ Circuit diagram NG 190 to 260
T
1
T
2
R M
1
S
A
M
Y
V
g min
V
g max
G
V
gmax
V
gmin
Displacement
BoschRexrothAG,RE92500/2023-05-11
20 A11V(L)O series 1x |Axialpistonvariablepump
Powercontroller
LRH2 – Hydraulic stroke control (positive control)
Withpilot-pressurerelatedcontrol,thepump
displacementisadjustedproportionallyandcontinuously
withapilotpressureappliedatportY.
StartofadjustmentwithoutpilotsignalisV
gmin
(atworking
pressureorexternalcontrolpressure>30bar).
▶ ControlfromV
gmin
toV
gmax
Withincreasingpilotpressurethepumpswivelsto
ahigherdisplacement.
▶ Settingrangeforbeginningofcontrol(atV
gmin
)
4to10barStatethebeginningofcontrolinplaintext
intheorder.
▶ Maximumpermissiblepilotpressurep
Stmax
=40bar
Therequiredcontroluidistakenfromtheworking
pressureortheexternalcontrolpressureappliedtoportG.
Inorderforthepumptobemovedfromthebasicposition
zerooratlowworkingpressure,portGmustbesupplied
withexternalcontrolpressureofatleast30bar,
maximum40bar.
Designrecommendationforthecontroluidrequirement
at
ν=10mm²/sis0.3l/minfortheH2function.
Notice
▶ IfnoexternalcontrolpressureisconnectedtoG,
thismustbeindicatedinplaintext.
Inthiscase,theshuttlevalveisnotincludedinthe
scopeofdelivery.
▶ Withoutexternalcontrolpressure,thestrokecontrol
hasonlylimitedfunctionality.Pleasecontactus.
▼ Characteristic curve H2
4
0 1.00.5
35
30
10
15
20
25
Pilotpressurep
St
[bar]
Setting
range
PilotpressureincreaseV
gmin
toV
gmax
:∆p=25bar
▼ Circuit diagram NG 40 to 145
T
1
T
2
R M
1
S
A
M
Y
V
g min
V
g max
G
▼ Circuit diagram NG 190 to 260
T
1
T
2
R M
1
S
A
M
Y
V
g min
V
g max
G
V
gmax
V
gmin
Displacement
RE92500/2023-05-11,BoschRexrothAG
21 Axialpistonvariablepump | A11V(L)O series 1x
Powercontroller
LRU2/LRU6 – Electric stroke control (positive control)
Withtheelectricalstrokecontrolwithproportional
solenoid,thepumpdisplacementissteplesslyadjustedin
proportiontothecurrentviathemagneticforce.
Beginningofcontrolwithoutpilotsignalis V
gmin
(atworkingorexternalcontrolpressure>30bar).
ThemechanicallydepressurizedbasicpositionisV
gmax
.
Withincreasingcontrolcurrentthepumpswivelsto
agreaterdisplacement(fromV
gmin
toV
gmax
).
Therequiredcontroluidistakenfromtheworking
pressureortheexternalcontrolpressureappliedtoportG.
Inorderforthepumptobemovedfromthebasicposition
zerooratlowworkingpressure,portGmustbesupplied
withexternalcontrolpressureofatleast30bar,
maximum40bar.
Notice
▶ IfnoexternalcontrolpressureisconnectedtoG,
thismustbeindicatedinplaintext.
Inthiscase,theshuttlevalveisnotincludedinthe
scopeofdelivery.
▶ Withoutexternalcontrolpressure,thestrokecontrol
hasonlylimitedfunctionality.Pleasecontactus.
▼ Characteristic curve
ControlcurrentI[mA]
0 1.00.5
200
400
600
800
LRU2
Technical data, solenoid LRU2/LRU6
Voltage 24V(±20%)
Controlcurrent
BeginningofcontrolatV
gmin
200mA
EndofcontrolatV
gmax
600mA
Currentlimit 0.77A
Nominalresistance(at20°C) 22.7Ω
Ditherfrequency 100Hz
Dutycycle 100%
Typeofprotection:seeconnectorversionpage69
AwiderangeofBODAScontrollerswithapplication
softwareandanalogampliersareavailabletocontrolthe
proportionalsolenoids.
Furtherinformationcanalsobefoundonlineunder
www.boschrexroth.com/mobile-electronics.
▼ Circuit diagram NG 40 to 145
T
1
T
2
R M
1
S
A
M
V
g min
V
g max
G
▼ Circuit diagram NG 190 to 260
T
1
T
2
R M
1
S
AM
V
g min
V
g max
G
V
gmax
V
gmin
Displacement
BoschRexrothAG,RE92500/2023-05-11
22 A11V(L)O series 1x |Axialpistonvariablepump
Pressurecontroller
Pressure controller
DR – Pressure controller
Thepressurecontrollerlimitsthemaximumpressureat
thepumpoutletwithinthecontrolrangeofthevariable
pump.Thevariablepumponlysuppliesasmuch
hydraulicuidasisrequiredbytheconsumers.
Iftheworkingpressureexceedsthepressurecommand
valueatthepressurevalve,thepumpwillregulateto
asmallerdisplacementtoreducethecontroldifferential.
▶ Basicpositionindepressurizedstate:V
gmax
▶ Settingrangeforpressurecontrol:50to350bar.
Specifypressurecontrollersettinginplaintext
whenordering.
▼ Characteristic curve
350
0
50
max
min
Flowq
V
[l/min]
max.10[bar]
Workingpressure
p
B
[bar]
Settingrange
▼ Circuit diagram NG 40 to 145
T
1
T
2
R M
1
S
A
M
V
g min
V
g max
▼ Circuit diagram NG 190 to 260
T
1
T
2
R M
1
S
AM
V
g min
V
g max
RE92500/2023-05-11,BoschRexrothAG
23 Axialpistonvariablepump | A11V(L)O series 1x
Pressurecontroller
DRS – Pressure controller with load sensing
Theloadsensingcontrollerworksasaload-pressure
controlledowcontrollerandadjuststhedisplacementof
thepumptothevolumerequiredbytheconsumer.
Theowofthepumpisthendependentonthecross
sectionoftheexternalmeteringorice(1),whichis
locatedbetweenthepumpandtheconsumer.Belowthe
settingofthepressurecontrollerandwithinthecontrol
rangeofthepump,theowisnotdependentonthe
loadpressure.
Themeteringoriceisusuallyaseparatelylocated
loadsensingdirectionalvalve(controlblock).
Thepositionofthedirectionalvalvespooldeterminesthe
openingcross-sectionofthemeteringoriceandthusthe
owofthepump.
Theloadsensingcontrollercomparesthepressureupstream
themeteringoricetotheonedownstreamtheoriceand
keepsthepressuredrop(differentialpressure∆p)occurring
hereandthustheowconstant.
Ifthedifferentialpressure∆patthemeteringoricerises,
thepumpisswiveledback(towardV
gmin
).Ifthedifferential
pressure∆pdrops,thepumpisswiveledout(towardV
gmax
)
untilequilibriumatthemeteringoriceisrestored.
∆p
meteringorice
=p
pump
– p
consumer
▶ Settingrangefor∆p14to25bar
(pleasestateinplaintext)
▶ Standardsetting18bar
Thestand-bypressureinzero-strokeoperation
(meteringoriceclosed)isslightlyhigherthanthe
∆psetting.
Themeteringorice 1 (controlblock)isnotincludedin
thescopeofdelivery.
▼ Characteristic curve
350
max
min
0
50
Flowq
V
[l/min]
max.10[bar]
Workingpressure
p
B
[bar]
Settingrange
▼ Circuit diagram NG 40 to 145
T
1
T
2
R M
1
S
A
(1)
M
V
g min
V
g max
X
▼ Circuit diagram NG 190 to 260
T
1
T
2
R
M
1
S
A
(1)
M
V
g min
V
g max
X
BoschRexrothAG,RE92500/2023-05-11
24 A11V(L)O series 1x |Axialpistonvariablepump
Pressurecontroller
DRG – Pressure controller, hydraulically remote-controlled
Ontheremote-controlledpressurecontroller,thesetting
ofthepressurecontrollercanbeoverriddenbyaseparate
pressurereliefvalve(1)tosetalowerpressure
commandvalue.
Settingrangefrom50to350bar.
Inadditionaseparatelycongured2/2directionalvalve(2)
canbeoperatedtostartthepumpwithlowworking
pressure(standbypressure).
Settingrangefor∆p14to25bar,standardsetting22bar
(whenordering,pleasestateinplaintext)
Bothfunctionscanbeusedindividuallyorincombination
(seecircuitdiagram).
Theexternalvalvesarenotincludedinthescopeof
delivery.
Asaseparatepressurereliefvalve(1)werecommend:
DBDH6(manualactuation)seedatasheet25402.
▼ Characteristic curve
350
0
50
max
min
Flowq
V
[l/min]
max.10[bar]
Workingpressure
p
B
[bar]
Settingrange
Notice
Remote-controlledpressurecut-offisalsopossiblein
connectionwithLR,HDandEP.
▼ Circuit diagram NG 40 to 145
T
1
T
2
R
M
1
S
A
12
M
V
g min
V
g max
X
max.5m
▼ Circuit diagram NG 190 to 260
T
1
T
2
R
M
1
S
A
12
M
V
g min
V
g max
X
max.5m
RE92500/2023-05-11,BoschRexrothAG
25 Axialpistonvariablepump | A11V(L)O series 1x
Pressurecontroller
DRL – Pressure controller for parallel operation
TheDRLpressurecontrollerissuitableforpressure
controlofseveralA11VOaxialpistonpumpsinparallel
operationpumpingintoacommonpressureline.
Thepressurecut-offhasapressureincreaseof
approx.15barfromq
vmax
toq
vmin
.Thepumpregulates
thereforetoapressuredependentswivelangle.
Thisresultsinastablecontrollerbehavior.
Withtheexternallyinstalledpressurereliefvalve(1)the
nominalpressurecommandvalueofallpumpsconnected
tothesystemisadjustedtothesamevalue.
Settingrangefrom50to350bar.
Eachpumpcanbeindividuallyunloadedfromthesystem
byaseparatelyinstalled3/2directionalvalve(2).
Thecheckvalves(3)intheworkingline(portA)or
controlline(connectionX)mustbegenerallyprovided.
Theexternalvalvesarenotincludedinthescopeof
delivery.
Asaseparatepressurereliefvalve(1)werecommend:
DBDH6(manualactuation)seedatasheet25402.
▼ Characteristic curve
350
0
65
50
335
150
165
Flowq
V
[l/min]
max.15[bar]
Workingpressure
p
B
[bar]
Settingrange
▼ Circuit diagram NG 40 to 260
T
1
T
2
R
M
1
S
A
12
M
V
g min
V
g max
X
3 3
M
D
M
A
M
S
BoschRexrothAG,RE92500/2023-05-11
26 A11V(L)O series 1x |Axialpistonvariablepump
Hydrauliccontrol,pilot-pressurerelated
Hydraulic control, pilot-pressure related
HD2 – Hydraulic control
Withpilot-pressurerelatedcontrol,thepump
displacementisadjustedproportionallyandcontinuously
withapilotpressureappliedatportY.
StartofadjustmentwithoutpilotsignalisV
gmin
(atworking
pressureorexternalcontrolpressure>30bar).
▶ ControlfromV
gmin
toV
gmax
Withincreasingpilotpressurethepumpswivelsto
ahigherdisplacement.
▶ Settingrangeforbeginningofcontrol(atV
gmin
)
4to10barStatethebeginningofcontrolinplaintext
intheorder.
▶ Maximumpermissiblepilotpressurep
Stmax
=40bar
Therequiredcontroluidistakenfromtheworking
pressureortheexternalcontrolpressureappliedtoportG.
Inorderforthepumptobemovedfromthebasicposition
zerooratlowworkingpressure,portGmustbesupplied
withexternalcontrolpressureofatleast30bar,
maximum40bar.
Notice
▶ IfnoexternalcontrolpressureisconnectedtoG,
thismustbeindicatedinplaintext.
Inthiscase,theshuttlevalveisnotincludedinthe
scopeofdelivery.
▶ Withoutexternalcontrolpressure,thestrokecontrolby
V
gmin
hasonlylimitedfunctionality.Pleasecontactus.
▼ HD2 characteristic curve
4
0 1.00.5
35
30
10
15
20
25
Pilotpressurep
St
[bar]
Setting
range
PilotpressureincreaseV
gmin
toV
gmax
:∆p=25bar
▼ Circuit diagram NG 40 to 260
T
1
T
2
R
M
1
S
A
M
V
g min
V
g max
Y
G
V
gmax
V
gmin
Displacement
RE92500/2023-05-11,BoschRexrothAG
27 Axialpistonvariablepump | A11V(L)O series 1x
Hydrauliccontrol,pilot-pressurerelated
HD2D – Hydraulic control with pressure cut-off
Thepressurecut-offisapressurecontrolwhichadjusts
thedisplacementofthepumpbacktoV
g
min
afterreaching
thesetpressurecommandvalue.
Thisfunctionoverridesthehydraulicstrokecontrol,
i.e.thestrokecontrolfunctionisexecutedbelowthe
pressurecommandvalue.
Thevalveforpressurecut-offisintegratedinthecontroller
housingandispermanentlysettoapressurecommand
valueatthefactory.
Settingrangefrom50to350bar.
▼ Characteristic curve
350
0
50
max
min
Flowq
V
[l/min]
max.10[bar]
Workingpressure
p
B
[bar]
Settingrange
▼ Circuit diagram NG 40 to 145
T
1
T
2
R
M
1
S
A
M
V
g min
V
g max
Y
G
▼ Circuit diagram NG 190 to 260
T
1
T
2
R
M
1
S
A
M
V
g min
V
g max
Y
G
BoschRexrothAG,RE92500/2023-05-11
28 A11V(L)O series 1x |Axialpistonvariablepump
Electricalcontrolwithproportionalsolenoid
Electrical control with proportional solenoid
EP2/EP6 – Electric control
Withtheelectricalcontrolwithproportionalsolenoid,
thepumpdisplacementissteplesslyadjustedin
proportiontothecurrentviathemagneticforce.
Beginningofcontrolwithoutpilotsignalis V
gmin
(atworkingorexternalcontrolpressure>30bar).
ControlfromV
gmin
toV
gmax
Withincreasingcontrolcurrentthepumpswivelsto
ahigherdisplacement.
Therequiredcontroluidistakenfromtheworking
pressureortheexternalcontrolpressureappliedtoportG.
Inorderforthepumptobemovedfromthebasicposition
zerooratlowworkingpressure,portGmustbesupplied
withexternalcontrolpressure
1)
ofatleast30bar,
maximum40bar.
Notice
▶ IfnoexternalcontrolpressureisconnectedtoG,
thismustbeindicatedinplaintext.
Inthiscase,theshuttlevalveisnotincludedinthe
scopeofdelivery.
▶ Withoutexternalcontrolpressure,thestrokecontrol
hasonlylimitedfunctionality.Pleasecontactus
▶ TheproportionalsolenoidsintheEP6versionhave
manualoverrideandspringreturn.
▼ Characteristic curve
ControlcurrentI[mA]
DisplacementV
gmin
V
gmax
0 1.00.5
200
400
600
800
EP2
Technical data, proportional solenoid EP2/EP6
Voltage 24V(±20%)
Controlcurrent
BeginningofcontrolatV
gmin
200mA
EndofcontrolatV
gmax
600mA
Currentlimit 0.77A
Nominalresistance(at20°C) 22.7Ω
Ditherfrequency 100Hz
Dutycycle 100%
Typeofprotection:seeconnectorversionpage69
AwiderangeofBODAScontrollerswithapplication
softwareandanalogampliersareavailabletocontrolthe
proportionalsolenoids.
Furtherinformationcanalsobefoundonlineunder
www.boschrexroth.com/mobile-electronics.
▼ Circuit diagram NG 40 to 260
T
1
T
2
R
M
1
S
A
M
V
g min
V
g max
G
1) Withanexternalcontrolpressuresupply,itispossible
forthepumptoswivelslightlybeyondthezeroposition
(tothemechanicalstop).
RE92500/2023-05-11,BoschRexrothAG
29 Axialpistonvariablepump | A11V(L)O series 1x
Electricalcontrolwithproportionalsolenoid
EP2D/EP6D – Electric control with pressure cut-off
Thepressurecut-offisapressurecontrolwhichadjusts
thedisplacementofthepumpbacktoV
g
min
afterreaching
thesetpressurecommandvalue.
Thisfunctionoverridestheelectriccontrol,i.e.the
control-current-dependentfunctionisexecutedbelow
thepressurecommandvalue.
Thevalveforpressurecut-offisintegratedinthecontroller
housingandispermanentlysettoapressurecommand
valueatthefactory.
Settingrangefrom50to350bar.
▼ Characteristic curve
350
0
50
max
min
Flowq
V
[l/min]
max.10[bar]
Workingpressure
p
B
[bar]
Settingrange
▼ Circuit diagram NG 40 to 145
T
1
T
2
R
M
1
S
A
M
V
g min
V
g max
G
▼ Circuit diagram NG 190 to 260
T
1
T
2
R
M
1
S
A
M
V
g min
V
g max
G
BoschRexrothAG,RE92500/2023-05-11
30 A11V(L)O series 1x |Axialpistonvariablepump
Electricalcontrolwithproportionalsolenoid
EP2G2 – Electric control with electrically overridable pressure cut-off (negative control)
Theremote-controlledG2pressurecontrollerhas
axedΔpvalue.Anelectricpressurereliefvalve
(pilotvalve)integratedinthecontrollerenablesremote
pressurecontrol.
▶ RecommendationforxedsetvalueatΔp22bar.
Whenordering,stateinplaintext:
▶ Maximumpressurep
max
[bar](pressureonportA)with
0mAcurrent.
Pilot valve G2
Theelectroproportionalpressurereliefvalveisdirectly
controlledwithnegativecontrolascartridgeversion
(seeKBPS.8Bdatasheet18139-05).
▼ Characteristic curve G2
50
0 25 50 75
100
450
400
350
300
250
200
150
100
Technical data, proportional solenoid G2
Voltage 24V
Controlcurrent
Minimumpressurep
min
1200mA
Maximumpressurep
max
0mA
Maximumratedcurrent 1200mA
Nominalresistance(at20°C) 4.8Ω
Ditherfrequency 200Hz
Dutycycle 100%
Typeofprotection:seeconnectorversionpage69
AwiderangeofBODAScontrollerswithapplication
softwareandanalogampliersareavailabletocontrolthe
proportionalsolenoids.
Furtherinformationcanalsobefoundonlineunder
www.boschrexroth.com/mobile-electronics.
▼ Circuit diagram NG 95 to 260
T
1
T
2
R
M
1
S
A
M
V
g min
V
g max
G
X
ControlcurrentI[%]
Pressurep [bar]
RE92500/2023-05-11,BoschRexrothAG
31 Axialpistonvariablepump | A11V(L)O series 1x
Electricalcontrolwithproportionalsolenoid
EP2G4 – Electric control with electrically overridable pressure cut-off (positive control)
Theremote-controlledG4pressurecontrollerhas
axedΔpvalue.Anelectricpressurereliefvalve
(pilotvalve)integratedinthecontrollerenablesremote
pressurecontrol.
▶ RecommendationforxedsetvalueatΔp22bar.
Whenordering,stateinplaintext:
▶ Maximumpressurep
max
[bar](pressureonportA)with
maximumcurrent.
Pilot valve G4
Theelectroproportionalpressurereliefvalveisdirectly
controlledwithpositivecontrolascartridgeversion
(seeKBPS.8Adatasheet18139-04).
▼ Characteristic curve G4
50
0 25 50 75
100
450
400
350
300
250
200
150
100
AmperageI[%]
Pressurep [bar]
Technical data, proportional solenoid G4
Voltage 24V
Controlcurrent
Minimumpressurep
min
0mA
Maximumpressurep
max
1200mA
Maximumratedcurrent 1200mA
Nominalresistance(at20°C) 4.8Ω
Ditherfrequency 200Hz
Dutycycle 100%
Typeofprotection:seeconnectorversionpage69
AwiderangeofBODAScontrollerswithapplication
softwareandanalogampliersareavailabletocontrolthe
proportionalsolenoids.
Furtherinformationcanalsobefoundonlineunder
www.boschrexroth.com/mobile-electronics.
▼ Circuit diagram NG 95 to 260
T
1
T
2
R
M
1
S
A
M
V
g min
V
g max
G
X
BoschRexrothAG,RE92500/2023-05-11
32 A11V(L)O series 1x |Axialpistonvariablepump
Dimensions,size40
Dimensions [mm]
Dimensions, size 40
LRDCS – Power controller with pressure cut-off, cross-sensing and load sensing
Z T1 M
R
M1
Z
X
S
(A)
T2
A
(S)
T1
S
Z
A
M
X
T2 S
A
A
21
74
122
1)
20
1)
111
23.8
50.8
19
28.3
146
248
183
123
15
120
14
146
9.7
103
⌀101.6
−0.054
39
110
7575
225
42.9
77.8
50
177
45°
X
Y
W
V
100
183
0
ViewY
Clockwiserotation
(Counter-clockwiserotation)
DetailX
DetailW
DetailV
1) Centerofgravity
FlangeSAEJ744
101-2(B)
RE92500/2023-05-11,BoschRexrothAG
33 Axialpistonvariablepump | A11V(L)O series 1x
Dimensions,size40
Dimensions [mm]
▼ Splined shaft DIN5480 ▼ Parallel keyed shaft DIN6885
Z ‒ W35×2×16×9g P ‒AS10×8×56
M12 × 1.75
1)
⌀80.5
50
⌀40
9.5
28
40
32
⌀80.5
E1×0.2
DIN509
M10
1)
66
⌀40
7.5
22
35
⌀32
58
▼ Splined shaft SAE J744 ▼ Splined shaft SAE J744
S ‒ 1in15T16/32DP
2)
T ‒11/4in14T12/24DP
2)
46
⌀80.5
22
30
3/8–16UNC–2B
⌀40
38
7.5
R1.6
56
⌀80.5
28
40
7/16–14UNC–2B
⌀40
48
9.5
R1.6
Ports Standard Size p
max
[bar]
3)
State
5)
A Workingport
Fasteningthread
SAEJ518
DIN13
3/4in
M10×1.5;16deep
400 O
S Suctionport(withoutchargepump)
Fasteningthread
SAEJ518
DIN13
2in
M12×1.75;17deep
30 O
T
1
Drainport DIN3852 M22×1.5;14deep 10
4)
T
2
Drainport DIN3852 M22×1.5;14deep 10
4)
R Airbleedport DIN3852 M22×1.5;14deep 10 X
M
1
Measuringportcontrolpressure DIN3852 M12×1.5;12deep 400 X
M MeasuringportpressureA DIN3852 M12×1.5;12deep 400 X
X Pilotpressureportforversionwithloadsensing(S)and
remote-controlledpressurecut-off(G)
DIN3852 M14×1.5;12deep 400 O
Y
Pilotpressureportforversionwithstrokelimiter(H..)andHD
DIN3852 M14×1.5;12deep 40 O
Z Pilotpressureportforversionwithcrosssensing(C)and
poweroverride(LR3)
Poweroverride(LG1)
DIN3852 M14×1.5;12deep
400
40
O
G Controlpressureport(controller)forversionwithstroke
limiter(H..,U2,U6),HPandEP(otherwiseplugged)
DIN3852 M14×1.5;12deep 40 O
1) CenterboreaccordingtoDIN332(threadaccordingtoDIN13)
2) ANSIB92.1a-1976,30°pressureangle,atroot,sidet,tolerance
class5
3) Dependentonsettingsandworkingpressure
4) Dependingoninstallationposition,T
1
orT
2
mustbeconnected
(seealsoinstallationinstructionsonpages70to73)
5) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
BoschRexrothAG,RE92500/2023-05-11
34 A11V(L)O series 1x |Axialpistonvariablepump
Dimensions,size40
Dimensions [mm]
▼ LRDH1 – Power controller, pressure cut-off,
hydraulic stroke limiter (negative control)
▼ LRDH2 – Power controller, pressure cut-off,
hydraulic stroke limiter (positive control)
Y
Y
78
248
206
58
18.5
153
21
106
131
G
206
60
106
131
78
153
248
21.5
Y
Y
G
21
▼ LRDU2 – Power controller, pressure cut-off,
hydraulic stroke limiter (positive control)
▼ LR3DS – Power controller, high-pressure-dependent override,
pressure cut-off, load sensing
G
206
106
153
29
248
78
Z
Z
X
228
111
21
290
52
140
110
▼ HD2D – Hydraulic, pilot-pressure related control, pressure
cut-off
▼ EP2D – Electric control, proportional solenoid,
pressure cut-off
106
206
62
21
78
134
208
23
Y
Y
G
G
206
106
150.5
78
208
33
RE92500/2023-05-11,BoschRexrothAG
35 Axialpistonvariablepump | A11V(L)O series 1x
Dimensions,size40
Dimensions [mm]
▼ DRS/DRG – Remote-controlled pressure controller, load sensing ▼ DRL – Pressure controller, parallel operation
X
111
110
134
209
52
X
74
75
81 135
211.5
3
▼ LE2S – Power controller, electrical override,
load sensing (negative control)
X
111
110
141.5
248
25.5
BoschRexrothAG,RE92500/2023-05-11
36 A11V(L)O series 1x |Axialpistonvariablepump
Dimensions,size60
Dimensions [mm]
Dimensions, size 60
LRDCS – Power controller with pressure cut-off, cross-sensing and load sensing
Z
T1
A
M
Z
X
S
(A)
T2
A
(S)
T1
S
A
A
Z
T1
R
M1
M
X T2 S
23
124.5
15
1)
140
1)
88
41.5
111 154
112
82 82
17
10
1)
50.8
19
242
261.5
⌀127
−0.063
198
136
12.7
46
213
181
42.9
23.8
77.8
50
20
Y
W
V
108
198
0
DetailW
DetailV
ViewY
Clockwiserotation
(Counter-clockwiserotation)
1) Centerofgravity
FlangeSAEJ744
127-2(C)
RE92500/2023-05-11,BoschRexrothAG
37 Axialpistonvariablepump | A11V(L)O series 1x
Dimensions,size60
Dimensions [mm]
▼ Splined shaft DIN5480 ▼ Parallel keyed shaft DIN6885
Z ‒ W35×2×16×9g P ‒AS10×8×56
M12 × 1.75
1)
⌀91
50
⌀45
9.5
28
40
32
⌀91
E1×0.2
DIN509
M12 × 1.75
1)
66
⌀45
9.5
28
38
⌀35
58
▼ Splined shaft SAE J744 ▼ Splined shaft SAE J744
S ‒ 11/4in14T12/24DP
2)
T ‒13/8in21T16/32DP
2)
56
⌀91
28
40
7/16–14UNC–2B
⌀45
48
9.5
R1.6
56
⌀91
28
40
7/16–14UNC–2B
⌀45
48
9.5
R1.6
Ports Standard Size p
max
[bar]
3)
State
5)
A Workingport
Fasteningthread
SAEJ518
DIN13
3/4in
M10×1.5;17deep
400 O
S Suctionport(withoutchargepump)
Fasteningthread
SAEJ518
DIN13
2in
M12×1.75;20deep
30 O
T
1
Drainport DIN3852 M22×1.5;14deep 10
4)
T
2
Drainport DIN3852 M22×1.5;14deep 10
4)
R Airbleedport DIN3852 M22×1.5;14deep 10 X
M
1
Measuringportcontrolpressure DIN3852 M12×1.5;12deep 400 X
M MeasuringportpressureA DIN3852 M12×1.5;12deep 400 X
X Pilotpressureportforversionwithloadsensing(S)and
remote-controlledpressurecut-off(G)
DIN3852 M14×1.5;12deep 400 O
Y
Pilotpressureportforversionwithstrokelimiter(H..)andHD
DIN3852 M14×1.5;12deep 40 O
Z Pilotpressureportforversionwithcrosssensing(C)and
poweroverride(LR3)
Poweroverride(LG1)
DIN3852 M14×1.5;12deep
400
40
O
G Controlpressureport(controller)forversionwithstroke
limiter(H..,U2,U6),HPandEP(otherwiseplugged)
DIN3852 M14×1.5;12deep 40 O
1) CenterboreaccordingtoDIN332(threadaccordingtoDIN13)
2) ANSIB92.1a-1976,30°pressureangle,atroot,sidet,tolerance
class5
3) Dependentonsettingsandworkingpressure
4) Dependingoninstallationposition,T
1
orT
2
mustbeconnected
(seealsoinstallationinstructionsonpages70to73)
5) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
BoschRexrothAG,RE92500/2023-05-11
38 A11V(L)O series 1x |Axialpistonvariablepump
Dimensions,size60
Dimensions [mm]
▼ LRDH1 – Power controller, pressure cut-off,
hydraulic stroke limiter (negative control)
▼ LRDH2 – Power controller, pressure cut-off,
hydraulic stroke limiter (positive control)
83
225
73.5
139
110.5
161
261.5
17
Y
G
Y
23
225
139
83
73.5
110.5
161
261.5
Y
G
Y
35
23
▼ LRDU2 – Power controller, pressure cut-off,
hydraulic stroke limiter (positive control)
▼ LR3DS – Power controller, high-pressure-dependent override,
pressure cut-off, load sensing
G
225
2.5
261.5
110.583
161
241
124.5
23
112
148
312
65.5
X
Z
Z
▼ HD2D – Hydraulic, pilot-pressure related control, pressure
cut-off
▼ EP2D – Electric control, proportional solenoid,
pressure cut-off
83 110.5
23
225
75.5
139
221.5
38
Y
G
Y
G
110.5
225
83
158.5
221.5
5.5
RE92500/2023-05-11,BoschRexrothAG
39 Axialpistonvariablepump | A11V(L)O series 1x
Dimensions,size60
Dimensions [mm]
▼ DRS/DRG – Remote-controlled pressure controller, load sensing ▼ DRL – Pressure controller, parallel operation
66.5
138.5
223.5
112
125.5
X
X
76.5
87.5
83 137
225
10.5
▼ LE2S – Power controller, electrical override,
load sensing (negative control)
X
124.5
150
261.5
112
39
BoschRexrothAG,RE92500/2023-05-11
40 A11V(L)O series 1x |Axialpistonvariablepump
Dimensions,size75
Dimensions [mm]
Dimensions, size 75
LRDCS – Power controller with pressure cut-off, cross-sensing and load sensing
Z
X
S
(A)
T2
(S)
A
T1
Z
T1 A
A
A
M
X T2 S
S
R
M1
Z
T1
M
10
1)
63
24.5
138.5
130
1)
105
56
10
1)
27.8
57.2
25
160
21
200
161.6
88.9
50.8
113.5
88.5
88.5
19
260
117
⌀152.4
−0.063
276
215
148
12.7
50
Y
W
V
117
215
0
DetailW
DetailV
ViewY
Clockwiserotation
(Counter-clockwiserotation)
1) Centerofgravity
FlangeSAEJ744
152-4(D)
RE92500/2023-05-11,BoschRexrothAG
41 Axialpistonvariablepump | A11V(L)O series 1x
Dimensions,size75
Dimensions [mm]
▼ Splined shaft DIN5480 ▼ Parallel keyed shaft DIN6885
Z ‒ W40×2×18×9g P ‒AS12×8×80
M16 × 2
1)
⌀96
55
⌀45
12
36
45
37
⌀96
E1 × 0.2
DIN509
M16 × 2
1)
90
⌀45
12
36
43
⌀40
82
▼ Splined shaft SAE J744 ▼ Splined shaft SAE J744
S ‒ 11/4in14T12/24DP
2)
T ‒13/8in21T16/32DP
2)
56
⌀96
28
40
7/16–14UNC–2B
⌀45
48
9.5
R1.6
56
⌀96
28
40
7/16-14UNC-2B
⌀45
48
9.5
R1.6
Ports Standard Size p
max
[bar]
3)
State
5)
A Workingport
Fasteningthread
SAEJ518
DIN13
1in
M12×1.75;17deep
400 O
S Suctionport(withoutchargepump)
Fasteningthread
SAEJ518
DIN13
21/2in
M12×1.75;17deep
30 O
T
1
Drainport DIN3852 M22×1.5;14deep 10
4)
T
2
Drainport DIN3852 M22×1.5;14deep 10
4)
R Airbleedport DIN3852 M22×1.5;14deep 10 X
M
1
Measuringportcontrolpressure DIN3852 M12×1.5;12deep 400 X
M MeasuringportpressureA DIN3852 M12×1.5;12deep 400 X
X Pilotpressureportforversionwithloadsensing(S)and
remote-controlledpressurecut-off(G)
DIN3852 M14×1.5;12deep 400 O
Y Pilotpressureportforversionwithstrokelimiter(H..)andHD DIN3852 M14×1.5;12deep 40 O
Z Pilotpressureportforversionwithcrosssensing(C)and
poweroverride(LR3)
Poweroverride(LG1)
DIN3852 M14×1.5;12deep
400
40
O
G Controlpressureport(controller)forversionwithstroke
limiter(H..,U2,U6),HPandEP(otherwiseplugged)
DIN3852 M14×1.5;12deep 40 O
1) CenterboreaccordingtoDIN332(threadaccordingtoDIN13)
2) ANSIB92.1a-1976,30°pressureangle,atroot,sidet,
toleranceclass5
3) Dependentonsettingsandworkingpressure
4) Dependingoninstallationposition,T
1
orT
2
mustbeconnected
(seealsoinstallationinstructionsonpages70to73)
5) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
BoschRexrothAG,RE92500/2023-05-11
42 A11V(L)O series 1x |Axialpistonvariablepump
Dimensions,size75
Dimensions [mm]
▼ LRDH1 – Power controller, pressure cut-off,
hydraulic stroke limiter (negative control)
▼ LRDH2 – Power controller, pressure cut-off,
hydraulic stroke limiter (positive control)
Y
Y
G
24.5 145.5
239
87.5
10989.5
167.5
276
31
Y
Y
G
109
24.5
239
87.5
145.5
89.5
167.5
276
49
▼ LRDU2 – Power controller, pressure cut-off,
hydraulic stroke limiter (positive control)
▼ LR3DS – Power controller, high-pressure-dependent override,
pressure cut-off, load sensing
G
239
10989.5
167.5
276
15
Z
Z
X
138.5
255.5
24.5
113.5
154.5
326.5
80
▼ HD2D – Hydraulic, pilot-pressure related control,
pressure cut-off
▼ EP2D – Electric control, proportional solenoid,
pressure cut-off
Y
G
Y
109
24.5
239
89.5
89.5
145.5
235.5
50.5
G
239
109
89.5
165
235.5
20.5
RE92500/2023-05-11,BoschRexrothAG
43 Axialpistonvariablepump | A11V(L)O series 1x
Dimensions,size75
Dimensions [mm]
▼ DRS/DRG – Remote-controlled pressure controller, load sensing ▼ DRL – Pressure controller, parallel operation
X
138.5
113.5 142.5
238.5
80
X
78
102.5
89.5
240
144.5
25.5
▼ LE2S – Power controller, electrical override,
load sensing (negative control)
X
138.5
113.5 156.5
276
54
BoschRexrothAG,RE92500/2023-05-11
44 A11V(L)O series 1x |Axialpistonvariablepump
Dimensions,size95
Dimensions [mm]
1) Centerofgravity
2) DimensionsaccordingtoSAEJ617-No.3,forconnectiontothe
ywheelhousingofthecombustionengine
Dimensions, size 95
LRDCS – Power controller with pressure cut-off, cross-sensing and load sensing
Z
Z
X
X
Z
T1
M
M
T2
T1
M
R
T2
S
(A)
A
(S)
M1
A
A
S
T1
⌀130
⌀101
287
16
10
⌀409.58
2)
⌀385
⌀428.62
2)
⌀451
⌀11
12 × 30
15
139
10
1)
26
150
10
1)
142
1)
48
113
61.9
106.5
75
57.2
25
27.8
161.6
200
172.5125
⌀152.4
−0.063
12.7
155
234
292
50
20
287
115
96
77
Y
W
V
A
S
R
2
R
1
234
0
DetailV
DetailW
FlangeSAE3
SAEJ617
ViewY
Clockwiserotation
(Counter-clockwiserotation)
FlangeSAEJ744
152-4(D)
RE92500/2023-05-11,BoschRexrothAG
45 Axialpistonvariablepump | A11V(L)O series 1x
Dimensions,size95
Dimensions [mm]
▼ Splined shaft DIN5480 ▼ Parallel keyed shaft DIN6885
Z ‒ W45×2×21×9g P ‒ AS14×9×80
M16 × 2
1)
⌀101
60
⌀50
12
36
50
42
⌀101
E1×0.2
DIN509
M16 × 2
1)
90
⌀50
12
36
48.5
⌀45
82
▼ Splined shaft SAE J744
S ‒ 13/4in13T8/16DP
2)
75
⌀101
36
55
5/8–11UNC–2B
⌀50
67
12
R2.5
Ports Standard Size p
max
[bar]
3)
State
5)
A Workingport
Fasteningthread
SAEJ518
DIN13
1in
M12×1.75;17deep
400 O
S Suctionport(withoutchargepump)
Fasteningthread
SAEJ518
DIN13
3in
M16×2;24deep
30 O
T
1
Drainport DIN3852 M26×1.5;16deep 10
4)
T
2
Drainport DIN3852 M26×1.5;16deep 10
4)
R Airbleedport(angeSAEJ744) DIN3852 M26×1.5;16deep 10 X
R
1
Airbleedport(angeSAE3) DIN3852 M26×1.5;16deep 10 X
R
2
Airbleedport(angeSAE3) DIN3852 M26×1.5;16deep 10 X
M
1
Measuringportcontrolpressure DIN3852 M12×1.5;12deep 400 X
M MeasuringportpressureA DIN3852 M12×1.5;12deep 400 X
X Pilotpressureportforversionwithloadsensing(S)and
remote-controlledpressurecut-off(G)
DIN3852 M14×1.5;12deep 400 O
Y Pilotpressureportinversionwithstrokelimiter(H...)and
2-stagepressurecut-off(E)andHD
DIN3852 M14×1.5;12deep 40 O
Z Pilotpressureportforversionwithcrosssensing(C)and
poweroverride(LR3)
Poweroverride(LG1)
Loadsensingoverride(S5)
DIN3852 M14×1.5;12deep
400
40
30
O
G Controlpressureport(controller)
forversionwithstrokelimiter(H..,U2,U6),HPandEP
(otherwiseplugged)
DIN3852 M14×1.5;12deep 40 O
1) CenterboreaccordingtoDIN332(threadaccordingtoDIN13)
2) ANSIB92.1a-1976,30°pressureangle,atroot,sidet,tolerance
class5
3) Dependentonsettingsandworkingpressure
4) Dependingoninstallationposition,T
1
orT
2
mustbeconnected
(seealsoinstallationinstructionsonpages70to73)
5) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
BoschRexrothAG,RE92500/2023-05-11
46 A11V(L)O series 1x |Axialpistonvariablepump
Dimensions,size95
Dimensions [mm]
▼ LRDH1 – Power controller, pressure cut-off,
hydraulic stroke limiter (negative control)
▼ LRDH2 – Power controller, pressure cut-off,
hydraulic stroke limiter (positive control)
Y
Y
G
155
26
115
262
97.5
97
180
292
Y
Y
G
26
262
155
97.5
11597
180
292
58.5
▼ LRDU2 – Power controller, pressure cut-off,
hydraulic stroke limiter (positive control)
▼ LR3DS – Power controller, high-pressure-dependent override,
pressure cut-off, load sensing
G
180
115
262
97
292
32
X
Z
Z
115
26
150
166
342.5
271.5
91
▼ LG1DS – Power controller, pilot-pressure related override,
pressure cut-off, load sensing (negative control)
▼ HD2D – Hydraulic, pilot-pressure related control, pressure
cut-off
346
85
157
115
z
Y
Y
G
26
115
262
101
97
155
252
62
RE92500/2023-05-11,BoschRexrothAG
47 Axialpistonvariablepump | A11V(L)O series 1x
Dimensions,size95
Dimensions [mm]
▼ EP2D – Electric control, proportional solenoid,
pressure cut-off
▼ EP2G2/EP2G4 – Electric control with electrically overridable
pressure cut-off (positive/negative control)
262
252
31.5
174.9
114.8
97
G
310.8
261.6
31.1
182
114.7
123.4
G
▼ DRS/DRG – Remote-controlled pressure controller, load sensing ▼ DRL – Pressure controller, parallel operation
150
115 157
255
91
X
X
113.5
79.5
97
153
255
36.5
▼ LE2S – Power controller, electrical override,
load sensing (negative control)
▼ LE2S2/LE2S5 – Power controller, electrical override,
load sensing, overridable
X
233
293
62.5
121
169.5
PartialviewLE.S5
X
233 110
293
62.5
121
169.5
Z
BoschRexrothAG,RE92500/2023-05-11
48 A11V(L)O series 1x |Axialpistonvariablepump
Dimensions,size130/145
Dimensions [mm]
Dimensions, size 130/145
LRDCS – Power controller with pressure cut-off, cross-sensing and load sensing
X
Z
S
(A)
T2
T1
A
(S)
Z
Z
T1
A
A
M
X
T2 S
R
M1
T1
M
15
12 × 30
⌀11
148
29
10
1)
181.5
135
134
20
10
1)
170
1)
⌀385
305 (A11VO) / 353 (A11VLO)
3)
⌀428.62
2)
⌀451
⌀409.58
2)
16
10
⌀106
⌀130
313
174
12.7
204
161.6
21
⌀152.4
−0.063
104
171
69
104
118
58
R
2
R
1
Y
W
V
310
A
1
S
1
S
A
310
344
358
75
106.4
66.7
32
287
244
57.2
25
27.8
310
255
61.9
106.4
75
255
31.8
61.9
0
ViewY
Clockwiserotation
(Counter-clockwiserotation)
with charge pump
DetailW
FlangeSAE3
SAEJ617
without charge pump
DetailW
1) Centerofgravity
2) DimensionsaccordingtoSAEJ617-No.3,forconnectiontothe
ywheelhousingofthecombustionengine
3) ThehousingorlengthdimensionwithangeSAEJ617-No.3is
5mmshorterthanthestandardhousing.
with charge pump
DetailV
without charge pump
Detail
V
FlangeSAEJ744
152-4(D)
RE92500/2023-05-11,BoschRexrothAG
49 Axialpistonvariablepump | A11V(L)O series 1x
Dimensions,size130/145
Dimensions [mm]
▼ Splined shaft DIN5480 ▼ Parallel keyed shaft DIN6885
Z ‒ W50×2×24×9g P ‒ AS14×9×80
M16 × 2
1)
⌀106
65
⌀55
12
36
55
44
⌀106
E1×0.2
DIN509
M16 × 2
1)
90
⌀55
12
36
53.5
⌀50
82
▼ Splined shaft SAE J744
S ‒ 13/4in13T8/16DP
2)
75
⌀106
36
55
5/8–11UNC–2B
⌀55
67
12
R2.5
Ports Standard Size p
max
[bar]
3)
State
5)
A
Workingport
Fasteningthread
SAEJ518
DIN13
1in
M12×1.75;17deep
400 O
A
1
Workingport
Fasteningthread
SAEJ518
DIN13
11/4in
M14×2;19deep
400 O
S
Suctionport(withoutchargepump)
Fasteningthread
SAEJ518
DIN13
3in
M16×2;24deep
30 O
S
1
Suctionport(withchargepump)
Fasteningthread
SAEJ518
DIN13
3in
M16×2;24deep
2 O
T
1
Drainport DIN3852 M26×1.5;16deep 10
4)
T
2
Drainport DIN3852 M26×1.5;16deep 10
4)
R
Airbleedport(angeSAEJ744) DIN3852 M26×1.5;16deep 10 X
R
1
Airbleedport(angeSAE3) DIN3852 M26×1.5;16deep 10 X
R
2
Airbleedport(angeSAE3) DIN3852 M26×1.5;16deep 10 X
M
1
Measuringportcontrolpressure DIN3852 M12×1.5;12deep 400 X
M
MeasuringportpressureA DIN3852 M12×1.5;12deep 400 X
X
Pilotpressureportforversionwithloadsensing(S)andremote-controlled
pressurecut-off(G)
DIN3852 M14×1.5;12deep 400 O
Y
Pilotpressureportinversionwithstrokelimiter(H...)and
2-stagepressurecut-off(E)andHD
DIN3852 M14×1.5;12deep 40 O
Z
Pilotpressureportforversionwithcrosssensing(C)and
poweroverride(LR3)
Poweroverride(LG1)
Loadsensingoverride(S5)
DIN3852 M14×1.5;12deep
400
40
30
O
G Controlpressureport(controller)forversionwithstrokelimiter
(H..,
U2,U6),HPandEP
DIN3852 M14×1.5;12deep 40 O
1) CenterboreaccordingtoDIN332(threadaccordingtoDIN13)
2) ANSIB92.1a-1976,30°pressureangle,atroot,sidet,tolerance
class5
3) Dependentonsettingsandworkingpressure
4) Dependingoninstallationposition,T
1
orT
2
mustbeconnected
(seealsoinstallationinstructionsonpages70to73)
5) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
BoschRexrothAG,RE92500/2023-05-11
50 A11V(L)O series 1x |Axialpistonvariablepump
Dimensions,size130/145
Dimensions [mm]
▼ LRDH1 – Power controller, pressure cut-off,
hydraulic stroke limiter (negative control)
▼ LRDH2 – Power controller, pressure cut-off,
hydraulic stroke limiter (positive control)
116
115
164
319
283
29
Y
Y
G
29
118.5
164
115
283
Y
Y
G
▼ LRDU2 – Power controller, pressure cut-off,
hydraulic stroke limiter (positive control)
▼ LR3DS – Power controller, high-pressure-dependent override,
pressure cut-off, load sensing
319
191
115
283
G
293.2
370.2
175.5
29
118
171
135
Z
Z
▼ HD2D – Hydraulic, pilot-pressure related control, pressure
cut-off
▼ EP2D – Electric control, proportional solenoid,
pressure cut-off
122.5
29
164
115
283
Y
Y
G
183.5
115
283
G
RE92500/2023-05-11,BoschRexrothAG
51 Axialpistonvariablepump | A11V(L)O series 1x
Dimensions,size130/145
Dimensions [mm]
▼ EP2G2/EP2G4 – Electric control with electrically overridable
pressure cut-off (positive/negative control)
▼ DRS/DRG – Remote-controlled pressure controller,
load sensing
191
332.2
126
115
283
G
166
171
135
118
X
X
▼ DRL – Pressure controller, parallel operation ▼ LE2S – Power controller, electrical override,
load sensing (negative control)
162
X
322
178.5
124
254
133
X
X
▼ LE2S2/LE2S5 – Power controller, electrical override,
load sensing, overridable
254
322
178.2
133
124
X
X
BoschRexrothAG,RE92500/2023-05-11
52 A11V(L)O series 1x |Axialpistonvariablepump
Dimensions,size190
Dimensions [mm]
Dimensions, size190
LRDCS – Power controller with pressure cut-off, cross-sensing and load sensing
1) Centerofgravity
2) DimensionsaccordingtoSAEJ617-No.3,forconnectiontothe
ywheelhousingofthecombustionengine
3) ThehousingorlengthdimensionwithangeSAEJ617-No.3is
5mmshorterthanthestandardhousing.
A
1
S
1
Z
S A
Z
X
T1
A
(S)
T2
(A)
S
M
A
Z
X
T2 S
M1
R
T1 M
⌀126
⌀451
⌀409.58
2)
⌀155
⌀385
341.8 (A11VO) / 390 (A11VLO)
3)
16
10
12 × 30
15
⌀11
139.8
318.8
131
116 116
66
163.2
196
10
1)
170
1)
379
⌀165.1
−0.063
190.5
203.5
27
15.9
21
262.5
224.5
156
34
10
1)
90
⌀428.62
2)
Y
W
T1
A
V
346.8
346.8 381.3
395
90
120.7
79.4
38
319
272
79.4
38
36.5
346.8
281.3
69.9
120.7
281.3
36.5
69.9
R
2
R
1
0
ViewY
Clockwiserotation
(Counter-clockwiserotation)
FlangeSAE3
SAEJ617
with charge pump
DetailV
with charge pump
DetailW
without charge pump
DetailW
without charge pump
DetailV
FlangeSAEJ744
165-4(E)
RE92500/2023-05-11,BoschRexrothAG
53 Axialpistonvariablepump | A11V(L)O series 1x
Dimensions,size190
Dimensions [mm]
▼ Splined shaft DIN5480 ▼ Parallel keyed shaft DIN6885
Z ‒ W50×2×24×9g P ‒AS16×10×100
M16 × 2
1)
⌀126
65
⌀60
12
36
55
44
⌀126
E1×0.2
DIN509
M20 × 2.5
1)
113
⌀60
15
42
59
⌀55
105
▼ Splined shaft SAE J744 ▼ Splined shaft SAE J744
S ‒ 13/4in13T8/16DP
2)
T ‒2in15T8/16DP
2)
75
⌀126
36
55
5/8–11UNC–2B
⌀60
67
12
R2.5
88
⌀126
36
66
5/8–11UNC–2B
⌀60
80
12
R4
Ports Standard Size p
max
[bar]
3)
State
5)
A Workingport
Fasteningthread
SAEJ518
DIN13
11/2in
M16×2;21deep
400 O
A
1
Workingport
Fasteningthread
SAEJ518
DIN13
11/2in
M16×2;21deep
400 O
S Suctionport(withoutchargepump)
Fasteningthread
SAEJ518
DIN13
31/2in
M16×2;24deep
30 O
S
1
Suctionport(withchargepump)
Fasteningthread
SAEJ518
DIN13
31/2in
M16×2;24deep
2 O
T
1
Drainport DIN3852 M33×2;16deep 10
4)
T
2
Drainport DIN3852 M33×2;16deep 10
4)
R Airbleedport(angeSAEJ744) DIN3852 M33×2;16deep 10 X
R
1
Airbleedport(angeSAE3) DIN3852 M33×2;16deep 10 X
R
2
Airbleedport(angeSAE3) DIN3852 M33×2;16deep 10 X
M
1
Measuringportcontrolpressure DIN3852 M12×1.5;12deep 400 X
M MeasuringportpressureA DIN3852 M12×1.5;12deep 400 X
X Pilotpressureportforversionwithloadsensing(S)andremote-controlled
pressurecut-off(G)
DIN3852 M14×1.5;12deep 400 O
Y Pilotpressureportinversionwithstrokelimiter(H...)and
2-stagepressurecut-off(E)andHD
DIN3852 M14×1.5;12deep 40 O
Z Pilotpressureportforversionwithcrosssensing(C)and
poweroverride(LR3)
Poweroverride(LG1)
Loadsensingoverride(S5)
DIN3852 M14×1.5;12deep
M16×1.5;12deep
M14×1.5;12deep
M14×1.5;12deep
400
40
30
O
G Controlpressure(controller)forversionwithstrokelimiter(H..,U2,U6),
HPandEP
DIN3852 M14×1.5;12deep 40 O
1) CenterboreaccordingtoDIN332(threadaccordingtoDIN13)
2) ANSIB92.1a-1976,30°pressureangle,atroot,sidet,tolerance
class5
3) Dependentonsettingsandworkingpressure
4) Dependingoninstallationposition,T
1
orT
2
mustbeconnected
(seealsoinstallationinstructionsonpages70to73)
5) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
BoschRexrothAG,RE92500/2023-05-11
54 A11V(L)O series 1x |Axialpistonvariablepump
Dimensions,size190
Dimensions [mm]
▼ LRDH1 – Power controller, pressure cut-off,
hydraulic stroke limiter (negative control)
▼ LRDH2 – Power controller, pressure cut-off,
hydraulic stroke limiter (positive control)
34
226.5
387.8
145.3
176
142.5
321.5
Y
Y
G
226.5
147.8
387.8
176
34
142.5
321.5
Y
Y
G
▼ LRDU2 – Power controller, pressure cut-off,
hydraulic stroke limiter (positive control)
▼ LR3DS – Power controller, high-pressure-dependent override,
pressure cut-off, load sensing
387.8
226.5
142.5
321.5
G
387.7
209.8
178131
34 156
319.3
X
X
Z
Z
▼ LG1GH2 – Power controller, pilot-pressure related override,
stroke control
▼ LG2H2 – Power controller, pilot-pressure related
override
432.8
356.8
147.8
240.5
17634
142.5
164
321.5
G
X
X
Y
1
Y
1
Y
2
Y
2
147.8
363
438
176
234.5
34
142.5
321.5
Y
1
Y
1
G
Y
2
Y
2
RE92500/2023-05-11,BoschRexrothAG
55 Axialpistonvariablepump | A11V(L)O series 1x
Dimensions,size190
Dimensions [mm]
▼ HD2D – Hydraulic, pilot-pressure related control, pressure
cut-off
▼ EP2D – Electric control, proportional solenoid,
pressure cut-off
147.8
178
384.8
183
34
142.5
321.5
Y
Y
G
384.8
187.5
142.5
321.5
G
▼ EP2G2 – Electric control with electrically overridable
pressure cut-off (positive control)
▼ DRS/DRG – Remote-controlled pressure controller,
load sensing
187.5
419.3
142.5
321.5
G
384.8
178
319.3
156
131
X
X
▼ DRL – Pressure controller, parallel operation ▼ LE2S – Power controller, electrical override,
load sensing (negative control)
17889.5
161.5
X
388.7
321.3
156
192.7
131
X
X
BoschRexrothAG,RE92500/2023-05-11
56 A11V(L)O series 1x |Axialpistonvariablepump
Dimensions,size190
Dimensions [mm]
▼ LE2S2/LE2S5 – Power controller, electrical override,
load sensing, overridable
388.8
192.7
156
321.3
131
X
X
RE92500/2023-05-11,BoschRexrothAG
57 Axialpistonvariablepump | A11V(L)O series 1x
Dimensions,size260
Dimensions [mm]
Dimensions, size260
LRDCS – Power controller with pressure cut-off, cross-sensing and load sensing
346
304.1
428
414
372.1
372.1
307 307
79.4
38
36.5
130.2
100
77.8
69.9
120.7
90
36.5
79.4
38
130
137
130
166.5
346
A1
S1
A
S
T1
Z
M
M1
R
30
185
1)
10
1)
176.2
205.5
72
408.5
214
15.9
⌀165.1
−0.063
Y
X
Z
T1
A
(S)
R
T2
S
(A)
21
168
34
10
1)
262.5
224.5
T1
M
S
T2
A
A
Z X
W
V
372.1
0
ViewY
Clockwiserotation
(Counter-clockwiserotation)
with charge pump
DetailW
DetailV
without charge pump
DetailW
DetailV
1) Centerofgravity
FlangeSAEJ744
165-4(E)
BoschRexrothAG,RE92500/2023-05-11
58 A11V(L)O series 1x |Axialpistonvariablepump
Dimensions,size260
Dimensions [mm]
▼ Splined shaft DIN5480 ▼ Parallel keyed shaft DIN6885
Z ‒ W60×2×28×9g P ‒AS18×11×100
M20 × 2.5
1)
⌀131
66
⌀70
15
42
58
47
⌀131
E1x0.2
DIN509
M20 × 2.5
1)
113
⌀70
15
42
64
⌀60
105
▼ Splined shaft SAE J744 ▼ Splined shaft SAE J744
S ‒ 13/4in13T8/16DP
2)
T ‒21/4in17T8/16DP
2)
75
⌀131
36
55
5/8–11UNC–2B
⌀70
67
12
R2.5
88
⌀131
42
66
3/4–10UNC–2B
⌀70
80
15
R4
Ports Standard Size p
max
[bar]
3)
State
5)
A Workingport
Fasteningthread
SAEJ518
DIN13
11/2in
M16×2;21deep
400 O
A
1
Workingport
Fasteningthread
SAEJ518
DIN13
11/2in
M16×2;21deep
400 O
S Suctionport(withoutchargepump)
Fasteningthread
SAEJ518
DIN13
31/2in
M16×2;24deep
30 O
S
1
Suctionport(withchargepump)
Fasteningthread
SAEJ518
DIN13
4in
M16×2;21deep
2 O
T
1
Drainport DIN3852 M33×2;19deep 10
4)
T
2
Drainport DIN3852 M33×2;19deep 10
4)
R Airbleedport DIN3852 M33×2;16deep 10 X
M
1
Measuringportcontrolpressure DIN3852 M12×1.5;12deep 400 X
M MeasuringportpressureA DIN3852 M12×1.5;12deep 400 X
X Pilotpressureportforversionwithloadsensing(S)and
remote-controlledpressurecut-off(G)
DIN3852 M14×1.5;12deep 400 O
Y Pilotpressureportinversionwithstrokelimiter(H...)and
2-stagepressurecut-off(E)andHD
DIN3852 M14×1.5;12deep 40 O
Z Pilotpressureportforversionwithcrosssensing(C)and
poweroverride(LR3)
Poweroverride(LG1)
Loadsensingoverride(S5)
DIN3852 M14×1.5;12deep
M16×1.5;12deep
M14×1.5;12deep
M14×1.5;12deep
400
40
30
O
G Controlpressure(controller)forversionwithstrokelimiter
(H..,U2,U6),HPandEP
DIN3852 M14×1.5;12deep 40 O
1) CenterboreaccordingtoDIN332(threadaccordingtoDIN13)
2) ANSIB92.1a-1976,30°pressureangle,atroot,sidet,tolerance
class5
3) Dependentonsettingsandworkingpressure
4) Dependingoninstallationposition,T
1
orT
2
mustbeconnected
(seealsoinstallationinstructionsonpages70to73)
5) O=Mustbeconnected(pluggedondelivery)
X=Plugged
(innormaloperation)
RE92500/2023-05-11,BoschRexrothAG
59 Axialpistonvariablepump | A11V(L)O series 1x
Dimensions,size260
Dimensions [mm]
▼ LRDH1 – Power controller, pressure cut-off,
hydraulic stroke limiter (negative control)
▼ LRDH2 – Power controller, pressure cut-off,
hydraulic stroke limiter (positive control)
408.5
351
174.5
116
239
152.8
187.5
40
132.5
G
Y
Y
187.5
132.5
40
239
152.8
408.5
351
174.5
135.5
G
Y
Y
▼ LRDU2 – Power controller, pressure cut-off,
hydraulic stroke limiter (positive control)
▼ LR3DS – Power controller, high-pressure-dependent override,
pressure cut-off, load sensing
408.5
239
132.5
152.8
351
104.5
G
40
345.5
137
189.5
408.5
235
X
Z
▼ LG1GH2 – Power controller, pilot-pressure related override
▼ LG2H2 – Power controller, pilot-pressure related override
174.6
383.6
187.5
25240
459.6
152.8
175.5
351
G
X
X
Y
1
Y
1
Y
2
Y
2
464.8
246
187.5
389.8
174.6
40
152.8
351
G
Y
1
Y
1
Y
2
Y
2
BoschRexrothAG,RE92500/2023-05-11
60 A11V(L)O series 1x |Axialpistonvariablepump
Dimensions,size260
Dimensions [mm]
▼ HD2D – Hydraulic, pilot-pressure related control, pressure
cut-off
▼ EP2D – Electric control, proportional solenoid,
pressure cut-off
187.5
40
132.5
152.8
194
408.5
351
174.5
135.5
G
Y
Y
132.5
199
152.8
408.5
351
104.5
G
▼ EP2G2/EP2G4 – Electric control with electrically overridable
pressure cut-off (positive/negative control)
▼ DRS/DRG – Remote-controlled pressure controller,
load sensing
446.1
199
132.5
152.8
351
G
345.5
137
408.5
189.5
X
▼ DRL – Pressure controller, parallel operation ▼ LE2S – Power controller, electrical override,
load sensing (negative control)
X
188
95.5
132.5
189.5
342
106
203.5
409.5
183
137
348
X
RE92500/2023-05-11,BoschRexrothAG
61 Axialpistonvariablepump | A11V(L)O series 1x
Dimensions,size260
Dimensions [mm]
▼ LE2S2/LE2S5 – Power controller, electrical override,
load sensing, overridable
203.5
409.5
183
137
348
230.3
X
Z
PartialviewLE.S5
BoschRexrothAG,RE92500/2023-05-11
62 A11V(L)O series 1x |Axialpistonvariablepump
Dimensions,through-drive
Dimensions [mm]
Dimensions, through-drive
Flange SAE J744 Hub for splined shaft
1)
Availability across sizes Code
3)
Diameter Diameter 40 60 75 95 130/145 130/145
2)
190 260
82-2(A)
5/8in 9T16/32DP
1)
● ● ● ● ● ● ● ● K01
3/4in 11T16/32DP
1)
● ● ● ● ● ● ● ● K52
101-2(B)
7/8in 13T16/32DP
1)
● ● ● ● ● ● ● ● K02
1in 15T16/32DP
1)
● ● ● ● ● ● ● ● K04
W35×2×16×9g ● ● ● ● ○ ○ ● ●
K79
●
= Available
○
= Onrequest
▼ 82-2 (A)
O-ring
4)
(tomountingange)
A1
⌀82.5
A2
106.4
A3
A1 A2 A3
5)
NG K01 K52
40 240 240 8 M10×1.5;15deep
60 257 257 – M10×1.5;15deep
75 275 275 – M10×1.5;15deep
95 306 306 – M10×1.5;12.5deep
130/145 329 329 – M10×1.5;12.5deep
130/145
2)
363 363 – M10×1.5;12.5deep
190 359.8 359.8 – M10×1.5;13deep
190
2)
394.3 394.3 – M10×1.5;13deep
260 385.1 385.1 – M10×1.5;13deep
260
2)
427.1 427.1 – M10×1.5;13deep
▼ 101-2 (B) size 40 ... 145
A3
A1
⌀146
45°
⌀101.6
A2
O-ring
4)
(tomountingange)
▼ 101-2 (B) size 190 ... 260
⌀
1
4
6
4
5
°
A1
⌀101.6
A2
A3
A
A
A-A
(tomountingange)
O-ring
4)
A1 A2 A3
5)
NG K02 K04 K79
40 244 244 249 10 M12×1.75;19deep
60 261 261 265 10 M12×1.75;19deep
75 279 279 283 10 M12×1.75;19deep
95 303 303 303 10 M12×1.75;16deep
130/145 326 326 326 10 M12×1.75;16deep
130/145
2)
360 360 – 10 M12×1.75;16deep
190 369.8 369.8 369.8 – M12×1.75;15deep
190
2)
404.3 404.3 404.3 – M12×1.75;15deep
260 395.1 395.1 395.1 – M12×1.75;15deep
260
2)
437.1 437.1 437.1 – M12×1.75;15deep
1) AccordingtoANSIB92.1a,30°pressureangle,atroot,sidet,
toleranceclass5
2) Versionwithchargepump
3) Thethrough-drivecanberotatedby90°.Standardpositionas
shown(version0°).Pleasespecifyinplaintextwhetherversion90°
isused.
4) O-ringincludedinthescopeofdelivery
5) ThreadaccordingtoDIN13.
RE92500/2023-05-11,BoschRexrothAG
63 Axialpistonvariablepump | A11V(L)O series 1x
Dimensions,through-drive
Dimensions [mm]
Flange SAE J744 Hub for splined shaft
1)
Availability across sizes Code
3)
Diameter Diameter 40 60 75 95 130/145 130/145
2)
190 260
127-2(C)
11/4in
14T12/24DP
1)
– ● ● ● ● ● – –
K07
11/2in
17T12/24DP
1)
– – – ● ● ● – –
K24
W30×2×14×9g – ● ● ● ● – – –
K80
W35×2×16×9g – ● ● ● ● ● – –
K61
127-2+4(C) 11/4in
14T12/24DP
1)
– – – – – – ● ● K07
11/2in
17T12/24DP
1)
– – – – – – ● ●
K24
W30×2×14×9g – – – – – – ● ●
K80
W35×2×16×9g – – – – – – ● ●
K61
●
= Available
○
= Onrequest
‒
= Notavailable
▼ 127-2 (C)
A1
181
213
⌀127
A2
A3
O-ring
4)
(tomountingange)
A1 A2 A3
5)
NG K07 K24 K80 K61
60 272 – 265 265 13 M16×2;20deep
75 290 – 290 290 13 M16×2;20deep
95 318 318 318 318 13 M16×2;16deep
130/145 330 341 330 330 13 M16×2;20deep
130/145
2)
364 375 364 364 13 M16×2;20deep
▼ 127-2+4 (C)
A1
115
⌀127
A2
115
181
A3
5)
O-ring
4)
(tomountingange)
A1 A2 A3
5)
NG K07 K24 K80 K61
190 365.8 367.8 367.8 367.8 13 M16×2;19deep
190
2)
400.3 402.3 400 400 13 M16×2;19deep
260 391.1 391.1 391.1 391.1 13 M16×2;19deep
260
2)
433.1 433.1 433.1 433.1 13 M16×2;19deep
1) AccordingtoANSIB92.1a,30°pressureangle,atroot,sidet,
toleranceclass5
2) Versionwithchargepump
3) Thethrough-drivecanberotatedby90°.Standardpositionas
shown(version0°).Pleasespecifyinplaintextwhetherversion90°
isused.
4) O-ringincludedinthescopeofdelivery
5) ThreadaccordingtoDIN13.
BoschRexrothAG,RE92500/2023-05-11
64 A11V(L)O series 1x |Axialpistonvariablepump
Dimensions,through-drive
Dimensions [mm]
Flange SAE
J744
Hub for splined shaft
1)
Availability across sizes Code
3)
Diameter Diameter 40 60 75 95 130/145 130/145
2)
190 260
152-4(D)
11/4in 14T12/24DP
– – ● ● ● ● ● ●
K86
13/4in
13T8/16DP
1)
– – – – ● ● ● ●
K17
W40×2×18×9g – – ● ● ● ● ● ●
K81
W45×2×21×9g – – – ● ● ● ● ●
K82
W50×2×24×9g – – – – ● ● ● ●
K83
165-4(E)
13/4in
13T16/32DP
1)
– – – – – – ● ●
K72
W50×2×24×9g – – – – – – ● ●
K84
W60×2×28×9g – – – – – – – ●
K67
●
= Available
○
= Onrequest
‒
= Notavailable
▼ 152-4 (D)
O-ring
4)
(tomountingange)
A1
⌀152.4
161.6
A2
161.6
A3
A1 A2 A3
5)
NG K86 K17 K81 K82 K83
75
290
– 290 – – 13 M20×2.5;28deep
95
317
327 317
317
– 30 M20×2.5;25deep
130/
145
340 350 340 340 340 13 M20×2.5;25de
ep
130/
145
2)
374 383 374 374 374 13 M20×2.5;25deep
190
392
391.8 391.8
392
391.8 13 M20×2.5;22deep
190
2)
424
426.3 426.3
424
426.3 13 M20×2.5;22deep
260
417
417.1 417.1
417
417.1 13 M20×2.5;22deep
260
2)
459
459.1 459.1
459
459.1 13 M20×2.5;22deep
▼ 165-4 (E)
O-ring
4)
(tomountingange)
A1
224.5
A2
⌀165.1
224.5
⌀270
A3
A1 A2 A3
5)
NG K72 K84 K67
190 389.8 374.8 – 19 M20×2.5;26deep
190
2)
424.3 409.3 – 19 M20×2.5;20deep
260 415.1 400.1 400.1 19 M20×2.5;20deep
260
2)
457.1 442.1 442.1 19 M20×2.5;20deep
1) AccordingtoANSIB92.1a,30°pressureangle,atroot,sidet,
toleranceclass5
2) Versionwithchargepump
3) Mountingholespatternviewedonthrough-drivewithcontrolattop
4) O-ringincludedinthescopeofdelivery
5) ThreadaccordingtoDIN13.
RE92500/2023-05-11,BoschRexrothAG
65 Axialpistonvariablepump | A11V(L)O series 1x
Overviewofmountingoptions
Overview of mounting options
Through-drive Mounting option – 2nd pump
Flange Hub for
splined shaft
Code A11VO/10
NG (shaft)
A10V(S)O/31
NG (shaft)
A10V(S)O/53
NG (shaft)
A4VG
/32
NG (shaft)
82-2(A) 5/8in K01 – 18(U) 10(U) –
3/4in K52 – 18(S) 10(S) –
101-2(B) 7/8in K02 – 28(S),45(U) 28(S),45(U) –
1in K04 40(S) 45(S) 45(S),60(U) 28(S)
W35 K79 40(Z) – – –
127-2/-4(C) 11/4in K07 60(S) 71(S),100(U) 60(S)
1)
,85(U) 40,56,71(S)
11/2in K24 – 100(S) 85(S) –
W30 K80 – – – 40,56(KXX)
W35 K61 60(Z) – – 40,56(A),71(Z)
152-4(D) 11/4in K86 75(S) – – –
13/4in K17 95,130,145(S) – – 90,125(S)
W40 K81 75(Z) – – 125(Z)
W45 K82 95(Z) – – –
W50 K83 130,145(Z) – – –
165-4(E) 13/4in K72 190,260(S) – – –
W50 K84 190(Z) – – –
W60 K67 260(Z) – – –
Through-drive Mounting option – 2nd pump
Flange Hub for
splined shaft
Code A4VG/40
NG (shaft)
A10VG
N
G (shaft)
External gear pump
2)
82-2(A) 5/8in K01 – – AZPF,AZPSNG4…28,AZPWNG5…22
3/4in K52 – – AZPFNG4…28
101-2(B) 7/8in K02 – 18(S) AZPN-11NG20…25,AZPG-22NG28…100
1in K04 – 28,45(S) –
W35 K79 – – –
127-2/-4(C) 11/4in K07 – 63(S) –
11/2in K24 – – –
W30 K80 – – –
W35 K61 – – –
152-4(D) 11/4in K86 – – –
13/4in K17 110,125,145,175(T1) – –
W40 K81 – – –
W45 K82 – – –
W50 K83 – – –
165-4(E) 13/4in K72 175(T1) – –
W50 K84 – – –
W60 K67 – – –
1) A10VOwith4-holeangecanonlybemountedonA11V(L)O
190and260.
2) BoschRexrothrecommendsspecialversionsoftheexternalgear
pumps.Pleasecontactus.
BoschRexrothAG,RE92500/2023-05-11
66 A11V(L)O series 1x |Axialpistonvariablepump
CombinationpumpsA11V(L)O+A11V(L)O
Dimensions [mm]
Byusingcombinationpumps,itispossibletohave
independentcircuitswithouttheneedforsplittergearboxes.
Whenorderingcombinationpumpsthetypedesignations
forthe1standthe2ndpumpmustbejoinedbya"+".
Order example:
A11VO130LRDS/10R-NZD12K61+ A11VO60LRDS/10-
NZC12N00
Atandempump,withtwopumpsofequalsize,
ispermissiblewithoutadditionalsupports,
assumingthatthedynamicmassaccelerationdoesnot
exceedmaximum10g(=98.1m/s
2
).
Forcombinationpumpsconsistingofmorethan
twopumps,themountingangemustbecalculatedfor
thepermissiblemasstorque.
Notice
▶ Thecombinationpumptypecodeisshowninshort-
enedformintheorderconrmation.
▶ Thepermissiblethrough-drivetorquesaretobe
observed(seepage10).
▼ Total length of acombination pump
A
A11VO
(1stpump)
A11VO(2nd
pump)
Hub
Flange
Combination pumps A11V(L)O + A11V(L)O
Total length A
1)
A11VO (1st pump) A11VO (2nd pump) A11VLO (2nd pump)
NG40 NG60 NG75 NG95 NG130/145 NG190 NG260 NG130/145 NG190 NG260
NG40 – – – – – – – – – –
NG60 490 507 – – – – – – – –
NG75 – 525 550 – – – – – – –
NG95 528 560 577 604 – – – – – –
NG130/145 551 572 600 627 650 – – 698 – –
NG190 586.8 609.8 652 679 702 723.6 750 772.3 –
NG260 620 633.5 677 704 727 746.8 772 775 795.5 828
A11VLO (1st pump) A11VO (2nd pump) A11VLO (2nd pump)
NG40 NG60 NG75 NG95 NG130/145 NG190 NG260 NG130/145 NG190 NG260
NG130/145 585 606 634 661 684 – – 732 – –
NG190 619 642 684 711 734 755.8 – 782 804.5 –
NG260 662.5 675.5 719 746 769 789.3 814.5 817 838 870.5
1) WhenusingtheZ-shaft(splinedshaftDIN5480)forthemounted
pump(2ndpump)
RE92500/2023-05-11,BoschRexrothAG
67 Axialpistonvariablepump | A11V(L)O series 1x
Swivelangleindicator
Dimensions [mm]
Swivel angle indicator
Optical swivel angle indicator V
Withtheopticalswivelangleindicator,theswivelposition
ofthepumpisindicatedbyamechanicalindicatoronthe
sideofthehousing.
▼ Circuit diagram
T
1
T
2
R
M
1
S
A
M
V
g min
V
g max
G
V
g min
V
g max
▼ Swivel angle indicator
0
1
C
A
NG A C
40 50.5 84.0
60 notavailable
75 60.7 97.0
95 63.5 104.0
130 70.9 112.0
190 87.6 123.5
260 87.6 137.0
BoschRexrothAG,RE92500/2023-05-11
68 A11V(L)O series 1x |Axialpistonvariablepump
CombinationpumpsA11V(L)O+A11V(L)O
Electric swivel angle sensor R
Withelectricswivelangleindicator,thepumpswivel
positionismeasuredbyanelectricswivelanglesensor.
Ithasarobust,sealedhousingandanintegrated
electronicsunitthathasbeendevelopedforautomotive
applications.
AsanoutputtheHalleffectswivelanglesensordelivers
avoltagesignalproportionaltotheswivelangle.
▼ Circuit diagram
U
α
T
1
T
2
R
M
1
S
A
M
V
g min
V
g max
G
Characteristics
SupplyvoltageU
b
10...30VDC
OutputvoltageU
a
2.5V
(V
gmin
)
4.5V
(V
gmax
)
Reversepolarityprotection
Shortcircuitresistant
EMCresistance Detailsonrequest
Operatingtemperaturerange –40...+125°C
Vibrationresistance
sinusoidalvibrationEN60068-2-6
10g/5...2000Hz
Shockresistance:
continuous
shockIEC68-2-29
25g
Saltsprayresistance
DIN50021-SS
96
h
TypeofprotectionDIN/EN60529 IP67andIP69K
Housingmaterial Plastic
AMP Superseal mating connector
Consisting of AMP designation
1housing 3-pin 282087-1
3seals yellow 281934-2
3sockets 1.8-3.3mm 283025-1
Thematingconnectorisnotincludedinthescopeof
delivery.
ThiscanbesuppliedbyBoschRexrothonrequest
(materialnumberR902602132).
▼ Electric swivel angle sensor
V
C
B
A
DetailVnottoscale
OutputvoltageU
a
U
b
GroundGND
NG A B C
40 50.5 88.5 118.3
60 notavailable
75 60.7 98.7 131.3
95 63.5 101.5 138.3
130 70.9 108.9 146.3
190 87.6 125.6 157.8
260 87.6 125.6 171.3
RE92500/2023-05-11,BoschRexrothAG
69 Axialpistonvariablepump | A11V(L)O series 1x
Connectorforsolenoids
Connector for solenoids
DEUTSCH DT04-2P-EP04
Molded,2-pin,withoutbidirectionalsuppressordiode
Thefollowingtypeofprotectionensueswiththeinstalled
matingconnector:
▶ IP67(DIN/EN60529)and
▶ IP69K(DIN40050-9)
▼ Switching symbol
Mating connector DEUTSCH DT06-2S-EP04
Consisting of DT designation
1housing DT06-2S-EP04
1wedge W2S
2sockets 0462-201-16141
Thematingconnectorisnotincludedinthescopeof
delivery.
ThiscanbesuppliedbyBoschRexrothonrequest
(materialnumberR902601804).
Notice
▶ Ifnecessary,youcanchangethepositionofthe
connectorbyturningthesolenoidbody.
▶ Theprocedureisdenedintheinstructionmanual.
BoschRexrothAG,RE92500/2023-05-11
70 A11V(L)O series 1x |Axialpistonvariablepump
Installationinstructions
Installation instructions
General
Theaxialpistonunitmustbelledwithhydraulicuidand
ventedduringcommissioningandoperation.Thismustalso
beobservedduringlongerstandstills,asthe
axialpistonunitcanemptyitselfviathehydrauliclines.
Particularlyintheinstallationposition"driveshaftupwards",
llingandairbleedingmustbecarriedoutcompletelyas
thereis,forexample,adangerofdryrunning.
Theleakageinthehousingareamustbedirectedtothe
reservoirviathehighestdrainport(T
1
/T
2
).
Forcombinationpumps,theleakagemustbedrainedoff
ateachsinglepump.
Ifashareddrainlineisusedforseveralunits,makesure
thattherespectivecasepressureineachunitisnot
exceeded.Theshareddrainlinemustbedimensionedto
ensurethatthemaximumpermissiblecasepressureofall
connectedunitsisnotexceededinanyoperating
condition,particularlyatcoldstart.Ifthisisnotpossible,
separatedrainlinemustbelaid,ifnecessary.
Topreventthetransmissionofstructure-bornenoise,
useelasticelementstodecoupleallconnectinglines
fromallvibration-capablecomponents
(e.g.reservoir,frameparts).
Underalloperatingconditions,thesuctionlineand
drainlinemustowintothereservoirbelowtheminimum
uidlevelofthereservoir.Thepermissiblesuctionheight
h
S
resultsfromthetotalpressureloss,butmustnotbe
higherthanh
Smax
=
800mm.Theminimumsuctionpressure
atportSof0.8barabsolute(withoutchargepump)or
0.6barabsolute(withchargepump)mustnotbefallen
belowduringoperation(coldstart0.5barabsolute).
Forthereservoirdesign,ensurethatthereisanadequate
distancebetweenthesuctionlineandthedrainline.
Werecommendusingabafe(bafeplate)between
suctionlineanddrainline.Abafeimprovestheair
separationabilityasitgivesthehydraulicuidmoretime
fordesorption.Apartfromthat,thispreventstheheated
returnowfrombeingdrawndirectlybackintothe
suctionline.Thesuctionportmustbesuppliedwith
air-free,calmedandcooledhydraulicuid.
Installation position
Seethefollowingexamples1to10.
Furtherinstallationpositionsareavailableuponrequest.
Recommendedinstallationposition:1and2
Key
F
1
/F
2
Filling/Airbleeding
S Suctionport
T
1
/T
2
Drainport
SB Bafe(bafeplate)
h
tmin
Minimumrequiredimmersiondepth(200mm)
h
min
Minimumrequireddistancetoreservoirbottom(100mm)
h
ESmin
Minimumheightrequiredtopreventaxialpistonunitfrom
draining(25mm)
h
Smax
Maximumpermissiblesuctionheight(800mm)
Notice
▶ Incertaininstallationpositions,aninuence
onthecontrolorcontrolcanbeexpected.
Gravity,deadweightandcasepressurecancause
minorcharacteristicshiftsandchangesin
actuatingtime.
▶ PortsF
1
andF
2
arepartoftheexternalpipingand
mustbeprovidedonthecustomersidetomakelling
andairbleedingeasier.
RE92500/2023-05-11,BoschRexrothAG
71 Axialpistonvariablepump | A11V(L)O series 1x
Installationinstructions
Forkey,seepage70
.
Below-reservoir installation (standard)
Below-reservoirinstallationmeansthattheaxialpistonunit
isinstalledoutsideofthereservoirbelowtheminimum
uidlevel.
▼ Installation position 1
Air bleeding the housing Filling
F
1
(T
1
) F
1
(T
1
)
,
S
S
R
SB
h
t min
h
min
T
1
F
1
▼ Installation position 2
Air bleeding the housing Filling
F
1
(T
2
) F
1
(T
2
)
,
S
S
R
T
1
T
2
SB
h
t min
h
min
F
1
▼ Installation position 3
Air bleeding the housing Filling
F
1
(T
1
/T
2
) F
1
(T
1
/T
2
)
,
S
S
R
T
1
T
2
SB
h
t min
h
min
F
1
▼ Installation position 4
Air bleeding the housing Filling
R F
1
(T
1
/T
2
)
,
S
S
R
T
1
T
2
SB
h
t min
h
min
F
1
BoschRexrothAG,RE92500/2023-05-11
72 A11V(L)O series 1x |Axialpistonvariablepump
Installationinstructions
Above-reservoir installation
Above-reservoirinstallationmeansthattheaxialpistonunit
isinstalledabovetheminimumuidlevelofthereservoir.
Topreventtheaxialpistonunitfromdraining,aheight
differenceh
ESmin
ofatleast25mmatportRisrequiredin
position7.
TheversionA11VLO(withchargepump)isnotintendedfor
above-reservoirinstallation.
Recommendation
forinstallationposition7(shaftupward):
Acheckvalveinthedrainline(crackingpressure0.5bar)
canpreventdrainingofthehousingarea.Forcontrol
optionswithpressurecontrollers,strokelimiters,
HDandEPcontrol,theminimumdisplacementsettingmust
beV
g
≥
5%V
g
max
.
Observethemaximumpermissiblesuctionheight
h
Smax
=800mm.
▼ Installation position 5
Air bleeding the housing Filling
F
1
(T
1
)
,
F
2
(S) F
1
(T
1
)
,
F
2
(S)
S
R
T
1
T
2
SB
h
t min
h
min
F
1
h
S max
F
2
▼ Installation position 6
Air bleeding the housing Filling
R, F
2
(S)
F
1
(T
2
)
,
F
2
(S)
S
R
T
1
T
2
SB
h
t min
h
min
h
S max
F
2
F
1
▼ Installation position 7
Air bleeding the housing Filling
R, F
2
(S) F
1
(T
1
/T
2
)
,
F
2
(S)
S
R
T
1
T
2
F
2
SB
h
t min
h
min
F
1
0.5 bar
h
S max
h
ES min
Forkey,seepage70.
RE92500/2023-05-11,BoschRexrothAG
73 Axialpistonvariablepump | A11V(L)O series 1x
Installationinstructions
Inside-reservoir installation
Inside-reservoirinstallationiswhentheaxialpistonunitis
installedinthereservoirbelowtheminimumuidlevel.
Theaxialpistonunitiscompletelybelowthehydraulicuid.
Iftheminimumuidlevelisequaltoorbelowtheupper
edgeofthepump,seechapter"Above-reservoirinstallation".
Axialpistonunitswithelectriccomponents
(e.g.electriccontrols,sensors)maynotbeinstalledin
areservoirbelowtheuidlevel.
Ifinside-reservoirinstallationisintendednevertheless,the
IPprotectionclassandthemediumcompatibilityofthe
electriccomponentsusedmustbecheckedinthe
individualcase.Pleaseconsultyourpropercontactperson
atBoschRexrothtocommissionanexaminationofthe
mediumcompatibility.
▼ Installation position 8
Air bleeding the housing Filling
T
1
Thehousingoftheaxialpiston
unitistobelledviaT
1
before
attachmentofthepiping
SB
S
h
min
h
t min
T
1
R
▼ Installation position 9
Air bleeding the housing Filling
R Thehousingofthe
axialpistonunitistobelled
viaT
1
/T
2
beforeattachmentof
thepiping
SB
S
T
1
R
T
2
h
t min
h
min
▼ Installation position 10
Air bleeding the housing Filling
R Thehousingofthe
axialpistonunitistobelled
usingT
2
beforeattachment
ofthepiping
SB
S
h
min
h
t min
T
2
T
1
R
Notice
▶ InstallationofthepumpwithEPcontrolintheoil
reservoironlywhenusingmineralhydraulicoilsand
anoiltemperatureinthereservoirofmax.80°C.
▶ Inthiscase,theotherdrainportmustbeplugged.
Thehousingoftheaxialpistonunitmustbelled
beforettingthepipingandllingthereservoirwith
hydraulicuid.
Forkey,seepage70
.
BoschRexrothAG,RE92500/2023-05-11
74 A11V(L)O series 1x |Axialpistonvariablepump
Projectplanningnotes
Project planning notes
▶ Thepumpisdesignedtobeusedinopencircuits.
▶ Projectplanning,installationandcommissioningofthe
axialpistonunitsrequirestheinvolvementofskilled
personnel.
▶ Beforeusingtheaxialpistonunit,pleasereadthe
correspondinginstructionmanualcompletelyand
thoroughly.Ifnecessary,thiscanberequestedfrom
BoschRexroth.
▶ Beforenalizingyourdesign,pleaserequestabinding
installationdrawing.
▶ Thespecieddataandnotescontainedhereinmustbe
observed.
▶ Dependingontheoperatingconditionsofthe
axialpistonunit(workingpressure,uidtemperature),
thecharacteristiccurvemayshift.
▶ Preservation:Ouraxialpistonunitsaresuppliedas
standardwithpreservationprotectionforamaximum
of12months.Iflongerpreservationprotectionis
required(maximum24months),pleasespecifythisin
plaintextwhenplacingyourorder.Thepreservation
periodsapplyunderoptimalstorageconditions,
detailsofwhichcanbefoundinthedatasheet90312
ortheinstructionmanual.
▶ Notallversionsoftheproductareapprovedforusein
asafetyfunctionaccordingtoISO13849.Pleaseconsult
theresponsiblecontactpersonatBoschRexroth
ifyourequirereliabilityparameters(e.g.MTTF
D
)for
functionalsafety.
Depending
onthetypeofcontrolused,electromagnetic
effectscanbeproducedwhenusingsolenoids.
Applyingadirectvoltagesignal(DC)tosolenoidsdoes
notcreateelectromagneticinterference(EMI)noristhe
solenoidaffectedbyEMI.Electromagneticinterference
(EMI)potentialexistswhenoperatingandcontrolling
asolenoidwithamodulateddirectvoltagesignal
(e.g.PWMsignal)Appropriatetestingandmeasures
shouldbetakenbythemachinemanufacturertoensure
othercomponentsoroperators(e.g.withpacemaker)
arenotaffectedbythispotential.
▶ Pressurecontrollersarenotsafeguardsagainst
pressureoverload.Besuretoaddapressurerelief
valvetothehydraulicsystem.
▶ Forcontrollersrequiringexternalpilotpressure,suf-
cientcontroluidmustbeprovidedtotheassociated
portstoensuretherequiredpilotpressuresforthe
respectivecontrollerfunction.Thesecontrollersare
subjecttoleakageduetotheirdesign.Anincreasein
controluiddemandhastobeanticipatedoverthe
totaloperatingtime.Thedesignofthecontroluid
supplymustthusbesufcientlylarge.Ifthecontrol
uidistoolow,therespectivecontrollerfunctionmay
beimpairedandundesiredsystembehaviormayresult.
▶ Pleasenotethatahydraulicsystemisanoscillating
system.Thiscanlead,forexample,tothestimulation
thenaturalfrequencywithinthehydraulicsystem
duringoperationatconstantrotationalspeedover
alongperiodoftime.Theexcitationfrequencyofthe
pumpis9timestherotationalspeedfrequency.
Thiscanbeprevented,forexample,withsuitably
designedhydrauliclines.
▶ Pleasenotethedetailsregardingthetighteningtorques
ofportthreadsandotherthreadedjointsinthe
instructionmanual.
▶ Theportsandfasteningthreadsaredesignedforthe
p
max
permissiblepressuresoftherespectiveports,
seetheconnectiontables.Themachineorsystem
manufacturermustensurethattheconnectingelements
andlinescorrespondtothespeciedapplication
conditions(pressure,ow,hydraulicuid,
temperature)withthenecessarysafetyfactors.
▶ Theworkingportsandfunctionportsareonlyintended
toaccommodatehydrauliclines.
RE92500/2023-05-11,BoschRexrothAG
75 Axialpistonvariablepump | A11V(L)O series 1x
Safetyinstructions
Safety instructions
▶ Duringandshortlyafteroperation,thereisariskof
burningontheaxialpistonunitandespeciallyonthe
solenoids.Taketheappropriatesafetymeasures
(e.g.bywearingprotectiveclothing).
▶ Movingpartsincontrolequipment(e.g.valvespools)
can,undercertaincircumstances,getstuckinposition
asaresultofcontamination(e.g.contaminated
hydraulicuid,abrasion,orresidualdirtfrom
components).Asaresult,thehydraulicuidowand
thebuild-upoftorqueintheaxialpistonunitcanno
longerrespondcorrectlytotheoperator’s
specications.Eventheuseofvariouslterelements
(externalorinternalowltration)willnotruleout
afaultbutmerelyreducetherisk.
Themachine/systemmanufacturermusttestwhether
remedialmeasuresareneededonthemachineforthe
applicationconcernedinordertobringthedriven
consumerintoasafeposition(e.g.safestop)and
ensureanymeasuresareproperlyimplemented.
BoschRexrothAG,RE92500/2023-05-11
BoschRexrothAG
Glockeraustraße 2
89275 Elchingen
Germany
Phone +49 7308 82-0
info.ma@boschrexroth.de
www.boschrexroth.com
©BoschRexrothAG1992. All rights reserved, also regarding any disposal,
exploitation, reproduction, editing, distribution, as well as in the event of
applications for industrial property rights. The data specied within only
serves todescribe the product. No statements concerning acertain condition
or suitability for acertain application can be derived from our information.
The information given does not release the user from the obligation of own
judgment and verication. It must be remembered that our products are
subject to anatural process of wear and aging.
76 A11V(L)O series 1x |Axialpistonvariablepump