Unit · AXIAL-PISTON PUMP

A4VG250NVD1/32L-NZD10K071ER902079973

Axial piston pump Bosch Rexroth series A4VG, type code A4VG250NVD1/32L-NZD10K071E, material number R902079973. Nominal size: NG 250. Axial piston unit: swashplate design, variable, nominal pressure 400 bar, maximum pressure 450 bar (A4V). Operating mode: pump, closed circuit (G). Pressure cut-off: pressure cut-off (D). DA control valve: without DA control valve (1). Direction of rotation: viewed on drive shaft counter-clockwise (L). Sealing material: NBR (nitrile rubber), shaft seal made of FKM (fluorocarbon rubber) (N). Drive shaft: splined shaft for single pump DIN 5480 (Z). Mounting flange: SAE J744 4-hole (D). Working port (port plate): SAE working port A and B, same side right suction port S bottom (10). Boost pump: without integrated boost pump with through drive (K). Through drive: flange SAE J744 Hub for splined shaft, 127-2 (C) 1 1/4 in 14T 12/24DP (07). High-pressure relief valve Setting range ∆pHD: high-pressure relief valve, pilot operated 100 … 420 bar with bypass (1). Filtration boost circuit/external boost pressure supply: external boost pressure supply (version without integrated boost pump – N00, K...) (E).

Number
R902079973
Type code
A4VG250NVD1/32L-NZD10K071E
Group
A4VG 250
Edition
06/2020
A4VG250NVD1/32L-NZD10K071E — Drawing
Pos.NumberNameQtyAdd to inquiry
R902103736ROTARY GROUP Assembly parts list →L1
2R902007359CONTROL Assembly parts list →L1
R902016202CONNECTION PLATE Assembly parts list →L1
R902026587BELL HOUSING Assembly parts list →L1
R909429211COVER Assembly parts list →L1
R909652198HOUSING1
13R902132714PIVOT PIN4
R902007362POITIONING PIN1
R909153862SCREW PLUGD1
R909153815SCREW PLUGD1
R909153816SCREW PLUGD3
R909083229SCREW PLUG1
25R909085545O-RING1
R909831349PLUG1
R909426708NOZZLE2
R913016375SLOTTED SPRING PIN2
R909151979SCREW PLUGD2
R909153861SCREW PLUG1
R909153364SCREW PLUGD3
R902600285SETSCREW1
R909153459SCREW PLUG1
R909157393SETSCREW1
R909152975SEALING NUTD1
R909426708NOZZLE1
R909151692SCREW PLUG4
98R902095544SEAL KIT1

Parameters from the type code

ItemMeaningCode
Axial piston unitSwashplate design, variable, nominal pressure 400 bar, maximum pressure 450 barA4V
Operating modePump, closed circuitG
Size (NG)250250
Pressure cut-offPressure cut-offD
DA control valveWithout DA control valve1
SeriesSeries 3, index 232
Direction of rotationViewed on drive shaft counter-clockwiseL
Sealing materialNBR (nitrile rubber), shaft seal made of FKM (fluorocarbon rubber)N
Drive shaftSplined shaft for single pump DIN 5480Z
Mounting flangeSAE J744 4-holeD
Working port (port plate)SAE working port A and B, same side right suction port S bottom10
Boost pumpWithout integrated boost pump with through driveK
Through driveFlange SAE J744 Hub for splined shaft, 127-2 (C) 1 1/4 in 14T 12/24DP07
High-pressure relief valve Setting range ∆pHDHigh-pressure relief valve, pilot operated 100 … 420 bar with bypass1
Filtration boost circuit/external boost pressure supplyExternal boost pressure supply (version without integrated boost pump – N00, K...)E