Unit · AXIAL-PISTON PUMP

A4VG280EP1DPRB1/40MRNE4A32UB1S4AE00-YR902223382

Axial piston pump Bosch Rexroth series A4VG, type code A4VG280EP1DPRB1/40MRNE4A32UB1S4AE00-Y, material number R902223382. 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, U = 12 V electric (EP1). Pressure cut-off: pressure cut-off, with bypass Fixed setting, hydraulic, mechanical (D). Connector for solenoids: DEUTSCH molded connector, 2-pin – without suppressor diode (P). Swivel angle sensor: electric swivel angle sensor (DWS20-1, 3-pin) (R). Additional function: mechanical stroke limiter and stroking chamber pressure port X X (B). DA control valve (only for NG110 and 125): DA control valve, fixed setting (1). 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 clockwise (R). 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).

Number
R902223382
Type code
A4VG280EP1DPRB1/40MRNE4A32UB1S4AE00-Y
Group
A4VG 280
Edition
01/2020
A4VG280EP1DPRB1/40MRNE4A32UB1S4AE00-Y — Drawing
Pos.NumberNameQtyAdd to inquiry
R902201356ROTARY GROUP Assembly parts list →L1
R902199981CONTROL Assembly parts list →L1
R902222899PUMP HOUSING Assembly parts list →L1
R902222906BELL HOUSING Assembly parts list →L1
R902215862CONTROL MODULE Assembly parts list →L1
R902199968BEARING FLANGE Assembly parts list →L1
R902182675CONTROL CARTRIDGE 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, U = 12 V electricEP1
Pressure cut-offPressure cut-off, with bypass Fixed setting, hydraulic, mechanicalD
Connector for solenoidsDEUTSCH molded connector, 2-pin – without suppressor diodeP
Swivel angle sensorElectric swivel angle sensor (DWS20-1, 3-pin)R
Additional functionMechanical stroke limiter and stroking chamber pressure port X XB
DA control valve (only for NG110 and 125)DA control valve, fixed setting1
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 clockwiseR
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 without boost pumpU
Through drive101-2 (B) B1 7/8 in 13T 16/32DP S4B1S4
High-pressure relief valveHigh-pressure relief valve, direct operated, fixed setting, with low-pressure relief valve, fixed settingA
Filtration boost circuit/external boost pressure supplyExternal boost pressure supply (on version without integrated boost pump)E
Pressure sensorWithout pressure sensor0
Other sensorsWithout sensor0
Standard / special versionStandard version with installation variants, e.g. T ports against standard open or closedY