Unit · AXIAL-PISTON PUMP
A4VG71DA1DM8/32R-NSF02F021BHR902223322
Axial piston pump Bosch Rexroth series A4VG, type code A4VG71DA1DM8/32R-NSF02F021BH, material number R902223322. Nominal size: NG 71. Axial piston unit: swashplate design, variable, nominal pressure 400 bar, maximum pressure 450 bar (A4V). Operating mode: pump, closed circuit (G). Control device: automatic control, speed related U = 12 V (DA1). Pressure cut-off: pressure cut-off (D). Mechanical stroke limiter: mechanical stroke limiter, externally adjustable (M). DA control valve: DA control valve, fixed setting and hydraulic inch valve mounted, control with hydraulic fluid, mineral oil-based (8). Direction of rotation: viewed on drive shaft clockwise (R). Sealing material: NBR (nitrile rubber), shaft seal made of FKM (fluorocarbon rubber) (N). Drive shaft: splined shaft for single pump ANSI B92.1a (S). Mounting flange: SAE J744 2+4-hole (F). Working port (port plate): SAE working port A and B, top and bottom suction port S bottom (02). Boost pump: integrated boost pump with and without through drive (F). Through drive: flange SAE J744 Hub for splined shaft, 101-2 (B) 7/8 in 13T 16/32DP (02). High-pressure relief valve Setting range ∆pHD: high-pressure relief valve, pilot operated 100 … 420 bar with bypass (1).
- Number
- R902223322
- Type code
- A4VG71DA1DM8/32R-NSF02F021BH
- Group
- A4VG 71
- Edition
- 06/2020
| Pos. | Number | Name | Qty | Add to inquiry |
|---|---|---|---|---|
| R902199723 | ROTARY GROUP Assembly parts list →L | 1 | ||
| R902017234 | CONTROL Assembly parts list →L | 1 | ||
| R909609869 | CONNECTION PLATE Assembly parts list →L | 1 | ||
| R909606663 | INTERNAL GEAR PUMP Assembly parts list →L | 1 | ||
| R902053159 | INCHING VALVE Assembly parts list →L | 1 | ||
| R902100650 | FILTER Assembly parts list →L | 1 | ||
| R902002122 | CONTROL CARTRIDGE Assembly parts list →L | 1 | ||
| R902003862 | HOUSING | 1 | ||
| R902114380 | PIVOT PIN | 2 | ||
| R909153891 | SCREW PLUGD | 2 | ||
| R909151979 | SCREW PLUGD | 1 | ||
| R909151692 | SCREW PLUGD | 4 | ||
| R909831318 | DOUBLE BREAK-OFF PLUG | 1 | ||
| R913016373 | SLOTTED SPRING PIN | 2 | ||
| R909153364 | SCREW PLUGD | 2 | ||
| R909087913 | SCREW PLUG | 1 | ||
| R909436131 | ECCENTRIC SCREW | 1 | ||
| R909087405 | SEALING NUTD | 1 | ||
| R909153815 | SCREW PLUGD | 1 | ||
| R909156497 | NOZZLE | 1 | ||
| R909156492 | NOZZLE | 1 | ||
| R909438806 | CONTROL ELEMENT Assembly parts list →L | 1 |
Parameters from the type code
| Item | Meaning | Code |
|---|---|---|
| Axial piston unit | Swashplate design, variable, nominal pressure 400 bar, maximum pressure 450 bar | A4V |
| Operating mode | Pump, closed circuit | G |
| Size (NG) | 71 | 71 |
| Control device | Automatic control, speed related U = 12 V | DA1 |
| Pressure cut-off | Pressure cut-off | D |
| Mechanical stroke limiter | Mechanical stroke limiter, externally adjustable | M |
| DA control valve | DA control valve, fixed setting and hydraulic inch valve mounted, control with hydraulic fluid, mineral oil-based | 8 |
| Series | Series 3, index 2 | 32 |
| Direction of rotation | Viewed on drive shaft clockwise | R |
| Sealing material | NBR (nitrile rubber), shaft seal made of FKM (fluorocarbon rubber) | N |
| Drive shaft | Splined shaft for single pump ANSI B92.1a | S |
| Mounting flange | SAE J744 2+4-hole | F |
| Working port (port plate) | SAE working port A and B, top and bottom suction port S bottom | 02 |
| Boost pump | Integrated boost pump with and without through drive | F |
| Through drive | Flange SAE J744 Hub for splined shaft, 101-2 (B) 7/8 in 13T 16/32DP | 02 |
| 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 | Attachment filter with cold start valve and electric contamination indicator, function normally open | B |