Unit · AXIAL-PISTON PUMP

A4VG280EP4DH0T0/40MLNE4A32FA2S2AS00-YR902204709

Axial piston pump Bosch Rexroth series A4VG, type code A4VG280EP4DH0T0/40MLNE4A32FA2S2AS00-Y, material number R902204709. Nominal size: NG 280. Axial piston unit: swashplate design, variable, nominal pressure 450 bar, maximum pressure 500 bar (A4V). Operating mode: pump, closed circuit (G). Control device: proportional control, electric with manual override and spring return U = 24 V (EP4). Pressure cut-off: pressure cut-off, with bypass Fixed setting, hydraulic, mechanical (D). Swivel angle sensor: without swivel angle sensor (0). Additional function: stroking chamber pressure port X X (T). DA control valve (only for NG110 and 125): without DA control valve (0). Configuration of port and fastening threads: metric ports according to ISO 6149 with O-ring seal, metric fastening thread according to DIN (M). Direction of rotation: viewed on drive shaft counter-clockwise (L). Sealing material: NBR (nitrile rubber), shaft seal in FKM (fluoroelastomer) (N). Mounting flange: SAE J744 165-4 (E4). Drive shaft: splined shaft DIN 5480 W55×2×26×9g (A3). Working port: SAE working port A and B, on right side (45° right) (2). Boost pump and rotary group configuration: standard rotary group boost pump integrated, standard internal gear pump (F).

Number
R902204709
Type code
A4VG280EP4DH0T0/40MLNE4A32FA2S2AS00-Y
Group
A4VG 280
Edition
01/2020
A4VG280EP4DH0T0/40MLNE4A32FA2S2AS00-Y — Drawing
Pos.NumberNameQtyAdd to inquiry
R902252281ROTARY GROUP Assembly parts list →L1
R902205091CONTROL Assembly parts list →L1
R902205090PUMP HOUSING Assembly parts list →L1
R902205066INTERNAL GEAR PUMP Assembly parts list →L1
R902206413CONTROL MODULE Assembly parts list →L1
R902199969BEARING FLANGE Assembly parts list →L1

Parameters from the type code

ItemMeaningCode
Axial piston unitSwashplate design, variable, nominal pressure 450 bar, maximum pressure 500 barA4V
Operating modePump, closed circuitG
Size (NG)280280
Control deviceProportional control, electric with manual override and spring return U = 24 VEP4
Pressure cut-offPressure cut-off, with bypass Fixed setting, hydraulic, mechanicalD
Swivel angle sensorWithout swivel angle sensor0
Additional functionStroking chamber pressure port X XT
DA control valve (only for NG110 and 125)Without DA control valve0
Configuration of port and fastening threadsMetric ports according to ISO 6149 with O-ring seal, metric fastening thread according to DINM
Direction of rotationViewed on drive shaft counter-clockwiseL
Sealing materialNBR (nitrile rubber), shaft seal in FKM (fluoroelastomer)N
Mounting flangeSAE J744 165-4E4
Drive shaftSplined shaft DIN 5480 W55×2×26×9gA3
Working portSAE working port A and B, on right side (45° right)2
Boost pump and rotary group configurationStandard rotary group boost pump integrated, standard internal gear pumpF
Through drive82-2 (A) A2 5/8 in 9T 16/32DP S2A2S2
High-pressure relief valveHigh-pressure relief valve, direct operated, fixed setting, with low-pressure relief valve, fixed settingA
Filtration boost circuit/external boost pressure supplyFiltration in the boost pump suction lineS
Pressure sensorWithout pressure sensor0
Other sensorsWithout sensor0
Standard / special versionStandard version with installation variants, e.g. T ports against standard open or closedY