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网盘力士乐材料.pdf

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RE92012/04.00

RE92012/04.00

replaces:11.94

VariableDisplacementPumpA4VTG

fordrumdrivesonmobileconcretemixers

forclosedcircuits

Sizes56...90

Series3

Nominalpressure400bar

Peakpressure450bar

A4VTG...HW

IndexFeatures

Features1–variabledisplacementaxialpistonpumpofswashplatedesign

OrderingCode2...3forhydrostaticclosedcircuittransmissions

TechnicalData4–flowisproportionaltodrivespeedanddisplacementandis

PressureReliefValve5infinitelyvariable

Filtration5–outputflowincreaseswithswivelanglefrom0toitsum

value

HW-HydraulicControl,MechanicalServo6

–swivellingthepumpovercentresmoothlychangesthedirection

EP-ElectricalControl,withProportionalSolenoid6offlow

UnitDimensions,Size717–thepumpisequippedwithtwopressurereliefvalvesonthe

UnitDimensions,Size908highpressureportstoprotectthehydrostatictransmission

DimensionsforThroughDrives9(pumpandmotor)fromoverloads

PermissibleInputa

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